42°15′58″N 83°45′03″W / 42.2661°N 83.7508°W / 42.2661; -83.7508
110-725: Formerly Michigan Stadium , nicknamed " The Big House ," is the American football stadium for the University of Michigan in Ann Arbor, Michigan . It is the largest stadium in the United States and the Western Hemisphere , the third-largest stadium in the world , and the 34th-largest sports venue in the world. Its official capacity is 107,601, but it has hosted crowds in excess of 115,000. Michigan Stadium
220-403: A halftime period, and the first and third quarters are followed by a short break. Before the game starts, the referee and each team's captain meet at midfield for a coin toss . The visiting team can call either "heads" or "tails"; the winner of the toss chooses whether to receive or kick off the ball or which goal they wish to defend. They can defer their choice until the second half. Unless
330-534: A soccer game in the United States to date, overtaking the previous record set by the 1984 Olympics Gold Medal match , when 101,799 saw France defeat Brazil 2-0 at the Rose Bowl in Pasadena, California. Michigan Stadium also holds three of the top four U.S. Soccer attendances as a crowd of 105,826 watched a 2016 International Champions Cup match on July 30, 2016 where Real Madrid defeated Chelsea 3-2 and
440-401: A 10-yard-long chain between them, are used to measure for a first down. The chain crew stays on the sidelines during the game, but if requested by the officials they will briefly bring the chains on to the field to measure. A typical chain crew will have at least three people—two members of the chain crew will hold either of the two sticks, while a third will hold the down marker. The down marker,
550-525: A PAT attempt or successful field goal, the scoring team must kick the ball off to the other team. A safety is scored when the ball carrier is tackled in the carrier's own end zone. Safeties are worth two points, which are awarded to the defense. In addition, the team that conceded the safety must kick the ball to the scoring team via a free kick . Football games are played on a rectangular field that measures 120 yards (110 m) long and 53 + 1 ⁄ 3 yards (48.8 m) wide. Lines marked along
660-532: A building renamed "The Ufer Building" in his honor. On October 26, 1981, nine days after his last broadcast, Ufer died at Henry Ford Hospital in Detroit after a three-year battle with cancer. He was survived by his wife Phyllis and seven children. Former Michigan defensive coordinator Jim Herrmann told The Michigan Daily in 1995, "Bob Ufer was Michigan football. That's what he lived and died for. I think he would have liked being described that way." Ufer
770-448: A crowd of 101,254 watched a 2018 International Champions Cup match on July 28, 2018 where Liverpool defeated Manchester United 4-1. < 104,173 (certified) American football American football , referred to simply as football in the United States and Canada and also known as gridiron football , is a team sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense ,
880-438: A crowd of 115,109, a record attendance for a college football game since 1948, and an NCAA single-game attendance record at the time, overtaking the previous record of 114,804 set two years previously for the same matchup. Michigan Stadium was designed with footings to allow the stadium's capacity to be expanded beyond 100,000. Fielding Yost envisioned a day where 150,000 seats would be needed. To keep construction costs low at
990-453: A field goal instead. A group of officials, the chain crew, keeps track of both the downs and the distance measurements. On television, a yellow line is electronically superimposed on the field to show the first down line to the viewing audience. There are two categories of kicks in football: scrimmage kicks, which can be executed by the offensive team on any down from behind or on the line of scrimmage, and free kicks. The free kicks are
1100-415: A game held at Bristol Motor Speedway , a NASCAR track with a capacity of over 150,000. "The Big House" also holds the record for the largest attendance for an NCAA Division II football game, one involving Slippery Rock University of Pennsylvania. Back in 1959, stadium announcer Steve Filipiak thought it would be amusing to include Slippery Rock with the other football scores he read to the crowd, due to
1210-457: A group of Princeton players realized that, as the snap was uncontested, they could now hold the ball indefinitely to prevent their opponent from scoring. In 1881, in a game between Yale and Princeton, both teams used this strategy to maintain their undefeated records. Each team held the ball, gaining no ground, for an entire half, resulting in a 0–0 tie. This "block game" proved extremely unpopular with both teams' spectators and fans. A rule change
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#17327837945951320-523: A hockey game . The record was broken on January 1, 2014 for the NHL's 2014 Winter Classic, where a crowd of 105,491 saw the host Detroit Red Wings fall to the Toronto Maple Leafs in a shootout. On Saturday, August 2, 2014, a sell-out crowd of 109,318 watched Manchester United defeat Real Madrid 3-1 in an International Champions Cup match. The official attendance figure was the largest for
1430-533: A large stick with a dial on it, is flipped after each play to indicate the current down and is typically moved to the approximate spot of the ball. The chain crew system has been used for over 100 years and is considered an accurate measure of distance, rarely subject to criticism from either side. Football is a full-contact sport, and injuries are relatively common. Most injuries occur during training sessions, particularly ones that involve contact between players. To try to prevent injuries, players are required to wear
1540-408: A long circumference of 28 to 28 + 1 ⁄ 2 inches (71 to 72 cm), and a short circumference of 21 to 21 + 1 ⁄ 4 inches (53 to 54 cm). In college and high school play the ball has a long axis of 10 + 7 ⁄ 8 to 11 + 7 ⁄ 16 inches (27.6 to 29.1 cm), a long circumference of 27 + 3 ⁄ 4 to 28 + 1 ⁄ 2 inches (70 to 72 cm), and
1650-420: A minimum of 10 feet (3.0 m) on high school fields. Goal posts are padded at the base, and orange ribbons are normally placed at the tip of each upright as indicators of wind strength and direction. The football itself is a prolate spheroid leather ball, similar to the balls used in rugby or Australian rules football . To contain the compressed air within it, a pig's bladder was commonly used before
1760-510: A modified scoring system. These schools formed the Intercollegiate Football Association , although Yale did not join until 1879. Yale player Walter Camp , now regarded as the "Father of American Football", secured rule changes in 1880 that reduced the size of each team from 15 to 11 players and instituted the snap to replace the chaotic and inconsistent scrum . While the game between Rutgers and Princeton
1870-477: A pass hits the ground without a player having caught it. A forward pass can be legally attempted only if the passer is behind the line of scrimmage; only one forward pass can be attempted per down. As in rugby, players can also pass the ball backwards at any point during a play. In the NFL, a down also ends immediately if the runner's helmet comes off. The offense is given a series of four plays, known as downs . If
1980-583: A player being paid to participate in a game of American football , although many athletic clubs in the 1880s offered indirect benefits, such as helping players attain employment, giving out trophies or watches that players could pawn for money, or paying double in expense money. Despite these extra benefits, the game had a strict sense of amateurism at the time, and direct payment to players was frowned upon, if not prohibited outright. Over time, professional play became increasingly common, and with it came rising salaries and unpredictable player movement, as well as
2090-427: A quarter ends, play continues until the down is completed. If certain fouls are committed during play while time has expired, the quarter may be extended through an untimed down . Games last longer than their defined length due to play stoppages—the average NFL game lasts slightly over three hours. Time in a football game is measured by the game clock. An operator is responsible for starting, stopping and operating
2200-573: A regular season NHL game between the Toronto Maple Leafs and the Detroit Red Wings with an official attendance of 105,491, a record for a hockey game. Additionally, a 2014 International Champions Cup soccer match between Real Madrid and Manchester United had an attendance of 109,318, a record crowd for a soccer match in the United States. Prior to playing at Michigan Stadium, Michigan played its games at Ferry Field , which at its peak could seat 40,000 people. Fielding Yost recognized
2310-511: A round ball. An 1875 Harvard–Yale game played under rugby-style rules was observed by two Princeton athletes who were impressed by it. They introduced the sport to Princeton, a feat the Professional Football Researchers Association compared to "selling refrigerators to Eskimos ". Princeton, Harvard, Yale, and Columbia then agreed to intercollegiate play using a form of rugby union rules with
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#17327837945952420-436: A secondary signal. Women can serve as officials; Sarah Thomas became the NFL's first female official in 2015. The seven officials (of a standard seven-man crew; lower levels of play up to the college level use fewer officials) on the field are each tasked with a different set of responsibilities: Another set of officials, the chain crew , are responsible for moving the chains. The chains, consisting of two large sticks with
2530-403: A separate sport from rugby, and the resulting five-yard lines added to the field to measure distances made it resemble a gridiron in appearance. Other major rule changes included a reduction of the field size to 110 by 53 + 1 ⁄ 3 yards (100.6 m × 48.8 m) and the adoption of a scoring system that awarded four points for a touchdown, two for a safety and a goal following
2640-614: A set of equipment. At a minimum players must wear a football helmet and a set of shoulder pads , but individual leagues may require additional padding such as thigh pads and guards, knee pads, chest protectors, and mouthguards . Most injuries occur in the lower extremities, particularly in the knee, but a significant number also affect the upper extremities. The most common types of injuries are strains , sprains , bruises , fractures , dislocations , and concussions . Bob Ufer Robert Pormann Ufer ( / ˈ j uː f ʌr / YEW -furr ; April 1, 1920 – October 26, 1981)
2750-410: A short circumference of 20 + 3 ⁄ 4 to 21 + 1 ⁄ 4 inches (53 to 54 cm). Football games last for a total of 60 minutes in professional and college play and are divided into two halves of 30 minutes and four quarters of 15 minutes. High school football games are 48 minutes in length with two halves of 24 minutes and four quarters of 12 minutes. The two halves are separated by
2860-416: A touchdown , and five for a goal from the field . Additionally, tackling below the waist was legalized, and a static line of scrimmage was instituted. Despite these new rules, football remained a violent sport. Dangerous mass-formations like the flying wedge resulted in serious injuries and deaths. A 1905 peak of 19 fatalities nationwide resulted in a threat by President Theodore Roosevelt to abolish
2970-460: Is a sport in which two competing teams vie for control of a ball, which can be kicked through a set of goalposts or run into the opponent's goal area to score points. What is considered to be the first American football game was played on November 6, 1869 , between Rutgers and Princeton , two college teams. They consisted of 25 players per team and used a round ball that could not be picked up or carried. It could, however, be kicked or batted with
3080-425: Is called on the offense. There are two main ways the offense can advance the ball: running and passing . In a typical play, the center passes the ball backwards and between their legs to the quarterback in a process known as the snap . The quarterback then either hands the ball off to a running back, throws the ball, or runs with it. The play ends when the player with the ball is tackled or goes out-of-bounds or
3190-437: Is caught or recovered behind the line of scrimmage. If it is touched or recovered by the kicking team beyond this line, it becomes dead at the spot where it was touched. The kicking team is prohibited from interfering with the receiver's opportunity to catch the ball. The receiving team has the option of signaling for a fair catch , which prohibits the defense from blocking into or tackling the receiver. The play ends as soon as
3300-516: Is commonly considered the first American football game, several years prior in 1862, the Oneida Football Club formed as the oldest known football club in the United States. The team consisted of graduates of Boston's elite preparatory schools and played from 1862 to 1865. The introduction of the snap resulted in an unexpected consequence. Before the snap, the strategy had been to punt if a scrum resulted in bad field position. However,
3410-403: Is known as a two-point conversion . In general, the extra point is almost always successful, while the two-point conversion is a much riskier play with a higher probability of failure; accordingly, extra point attempts are far more common than two-point conversion attempts. A field goal (FG), worth three points, is scored when the ball is place kicked or drop kicked through the uprights and over
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3520-429: Is not specified. Before 1968, Michigan Stadium maintained a policy of "No women or children allowed on the field". Sara Krulwich, now a photojournalist for The New York Times , was the first woman on the field. Longtime radio announcer Bob Ufer dubbed Michigan Stadium "The hole that Yost dug, Crisler paid for, Canham carpeted, and Schembechler fills every cotton-pickin' Saturday afternoon". Since November 8, 1975,
3630-407: Is responsible for all kicking plays. The special teams unit of the team in control of the ball tries to execute field goal (FG) attempts, punts , and kickoffs , while the opposing team's unit will aim to block or return them. Three positions are specific to the field goal and PAT (point-after-touchdown) unit: the placekicker (K or PK), holder (H), and long snapper (LS). The long snapper's job
3740-421: Is to block members of the defensive line from tackling the ball carrier on running plays or sacking the quarterback on passing plays. The leader of the offensive line is the center, who is responsible for snapping the ball to the quarterback, blocking, and for making sure that the other linemen do their jobs during the play. On either side of the center are the guards (G), while tackles (T) line up outside
3850-437: Is to snap the football to the holder, who will catch and position it for the placekicker. There is not usually a holder on kickoffs, because the ball is kicked off a tee; however, a holder may be used in certain situations, such as if wind is preventing the ball from remaining upright on the tee. The player on the receiving team who catches the ball is known as the kickoff returner (KR). The positions specific to punt plays are
3960-513: The 4 × 400 meter relay . He also played halfback on the Michigan freshman reserve football squad in 1939. He graduated with an A.B. in history in 1943. Ufer called Wolverines football on Ann Arbor radio station WPAG from 1945 to 1976 and on Detroit's WJR from 1977 to 1981. He is remembered for his exuberant, partisan broadcasting style, openly rooting for Michigan. Ufer's trademarks included pronouncing "Michigan" as "Meee-chigan," in
4070-776: The Bowl Championship Series (BCS) in 1997. The BCS arrangement proved to be controversial , and was replaced in 2014 by the College Football Playoff (CFP). A football game is played between two teams of 11 players each. Playing with more on the field is punishable by a penalty. Teams may substitute any number of their players between downs; this "platoon" system replaced the original system, which featured limited substitution rules, and has resulted in teams utilizing specialized offensive, defensive and special teams units. The number of players allowed on an active roster varies by league;
4180-598: The NCAA and the NAIA . The National Football League (NFL) has the highest average attendance of any professional sports league in the world . Its championship game, the Super Bowl , ranks among the most-watched club sporting events globally. In 2022, the league had an annual revenue of around $ 18.6 billion, making it the most valuable sports league in the world. Other professional and amateur leagues exist worldwide, but
4290-681: The Notre Dame Fighting Irish 35–31. The Michigan lacrosse program was elevated to NCAA varsity status in spring 2011, effective in the 2011–12 academic year. The team played most of its 2012 games in Michigan Stadium, including a match against Ohio State on April 14, 2012, after the annual Wolverine football spring game. Before the 2023 season, new video boards were installed in the north and south end zones. The identically-sized screens each measure 152 by 55 feet (46 by 17 m) or 8,360 square feet (777 m), are
4400-602: The Penn Relays Wall of Fame. At the University of Michigan, Ufer set eight freshman school records in track. At the Big Ten Conference track meet in 1942, he set a new world indoor record of 48.1 seconds in the 440-yard dash , breaking the old record of 48.2. He was a three-time Big Ten Conference champion in the indoor 440-yard dash. Ufer won the 1942 NCAA Track and Field Championships in
4510-412: The center (C), are allowed to line up in or cross the neutral zone until the ball is snapped. Interior offensive linemen are not allowed to move until the snap of the ball. The main backfield positions are the quarterback (QB), halfback/tailback (HB/TB), and fullback (FB). The quarterback is the leader of the offense. Either the quarterback or a coach calls the plays. Quarterbacks typically inform
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4620-409: The commissioner . NCAA and NFHS teams are "strongly advised" to number their offensive players according to a league-suggested numbering scheme. Although the sport is played almost exclusively by men, women are eligible to play in high school, college, and professional football. No woman has ever played in the NFL, but women have played in high school and college football games. In 2018, 1,100 of
4730-555: The forward pass , created the neutral zone , and specified the size and shape of the football. The sport is closely related to Canadian football , which evolved in parallel with and at the same time as the American game, although its rules were developed independently from those of Camp. Most of the features that distinguish American football from rugby and soccer are also present in Canadian football. The two sports are considered
4840-411: The kickoff , which starts the first and third quarters and overtime and follows a try attempt or a successful field goal; the safety kick follows a safety. On a kickoff, the ball is placed at the 35-yard line of the kicking team in professional and college play and at the 40-yard line in high school play. The ball may be drop kicked or place kicked. If a place kick is chosen, the ball can be placed on
4950-407: The neutral zone was created along the width of the football before the snap. Scoring was also adjusted: points awarded for field goals were reduced to three in 1909 and points for touchdowns were raised to six in 1912. Also in 1912, the field was shortened to 100 yards (91 m) long, two 10-yard-long (9.1 m) end zones were created, and teams were given four downs instead of three to advance
5060-407: The punter (P), long snapper, upback , and gunner . The long snapper snaps the football directly to the punter, who then drops and kicks it before it hits the ground. Gunners line up split outside the line and race down the field, aiming to tackle the punt returner (PR)—the player who catches the punt. Upbacks line up a short distance behind the line of scrimmage, providing additional protection to
5170-413: The 1966 season. Once the merger was completed, it was no longer a championship game between two leagues and reverted to the NFL championship game, which came to be known as the Super Bowl . College football maintained a tradition of postseason bowl games . Each bowl game was associated with a particular conference and earning a spot in a bowl game was the reward for winning a conference. This arrangement
5280-567: The 225,000 players in Pop Warner Little Scholars youth football were girls, and around 11% of the 5.5 million Americans who report playing tackle football are female according to the Sports and Fitness Industry Association. The role of the offensive unit is to advance the football down the field with the ultimate goal of scoring a touchdown . The offensive team must line up in a legal formation before they can snap
5390-639: The NCAA single-season average home attendance record, set in 2012 at 112,252 fans per game. On September 7, 2013, Michigan Stadium drew a crowd of 115,109 to see Michigan defeat Notre Dame 41–30, which at the time represented a post-1948 NCAA collegiate football attendance record. Previously, and prior to NCAA record keeping for attendance, a 1927 Notre Dame–USC game at Soldier Field in Chicago drew an estimated 117,000–123,000. Both of these records fell in 2016 when Tennessee and Virginia Tech drew 156,990 for
5500-516: The NFL had established itself as America's premier professional football league. The dominant form of football at the time was played at the collegiate level . The upstart NFL received a boost to its legitimacy in 1925, however, when an NFL team, the Pottsville Maroons , defeated a team of Notre Dame all-stars in an exhibition game . A greater emphasis on the passing game helped professional football to distinguish itself further from
5610-570: The NFL has a 53-man roster, while NCAA Division I allows teams to have 63 scholarship players in the FCS and 85 scholarship players in the FBS, respectively. Individual players in a football game must be designated with a uniform number between 1 and 99, though some teams may "retire" certain numbers , making them unavailable to players. NFL teams are required to number their players by a league-approved numbering system, and any exceptions must be approved by
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#17327837945955720-447: The University's Board of Regents approved a $ 226 million renovation (equivalent to $ 320 million in 2023) and expansion project for Michigan Stadium. The project included replacement of some bleachers, widening of aisles and individual seats, installing hand rails, and the addition of a new press box, 83 luxury boxes , and 3,200 club seats. The renovation plan garnered opposition from a small number of students, alumni, and fans around
5830-460: The advent of artificial rubber inside the leather outer shell to sustain crushing forces . At all levels of play, the football is inflated to 12 + 1 ⁄ 2 to 13 + 1 ⁄ 2 psi (86 to 93 kPa), or just under one atmosphere, and weighs 14 to 15 ounces (400 to 430 g); beyond that, the exact dimensions vary slightly. In professional play the ball has a long axis of 11 to 11 + 1 ⁄ 4 inches (28 to 29 cm),
5940-572: The ball 10 yards (9.1 m). The roughing the passer penalty was implemented in 1914, and eligible players were first allowed to catch the ball anywhere on the field in 1918. On November 12, 1892, Pudge Heffelfinger was paid $ 500 (equivalent to $ 16,956 in 2023) to play a game for the Allegheny Athletic Association against the Pittsburgh Athletic Club . This is the first recorded instance of
6050-435: The ball is caught, and the ball may not be advanced. Officials are responsible for enforcing game rules and monitoring the clock. All officials carry a whistle and wear black-and-white striped shirts and black hats except for the referee, whose hat is white. Each carries a weighted yellow flag that is thrown to the ground to signal that a foul has been called. An official who spots multiple fouls will throw their hat as
6160-430: The ball. An offensive formation is considered illegal if there are more than four players in the backfield or fewer than five players numbered 50–79 on the offensive line. Players can line up temporarily in a position whose eligibility is different from what their number permits as long as they report the change immediately to the referee, who then informs the defensive team of the change. Neither team's players, except
6270-591: The college game during the late 1930s. Football, in general, became increasingly popular following the 1958 NFL Championship game between the Baltimore Colts and the New York Giants , still referred to as the "Greatest Game Ever Played". The game, a 23–17 overtime victory by the Colts, was seen by millions of television viewers and had a major influence on the popularity of the sport. This, along with
6380-552: The conference, as they favored a rugby-style game that allowed running with the ball. After playing McGill University using both American (known as "the Boston game ") for the first game and Canadian (rugby) rules for the second one, the Harvard players preferred the Canadian style of having only 11 men on the field, running the ball without having to be chased by an opponent, the forward pass, tackling, and using an oblong instead of
6490-551: The conservative NFL to expand to Dallas and Minnesota in an attempt to destroy the new league. Meanwhile, the AFL introduced many new features to professional football in the United States: official time was kept on a scoreboard clock rather than on a watch in the referee's pocket, as the NFL did; optional two-point conversions by pass or run after touchdowns; names on the jerseys of players; and several others, including expansion of
6600-473: The country, which waned as the renovation neared external completion. A disabled-veterans group filed a federal lawsuit against the university on April 17, 2007, alleging that the design of the project did not meet federal standards for wheelchair-accessible seating. On March 11, 2008, as part of the settlement terms of a lawsuit filed against the university pursuant to the Americans with Disabilities Act ,
6710-413: The crossbars of the defense's goalposts. In practice, almost all field goal attempts are done via place kick. While drop kicks were common in the early days of the sport, the shape of modern footballs makes it difficult to reliably drop kick the ball. The last successful scoring play by drop kick in the NFL was accomplished in 2006; prior to that, the last successful drop kick had been made in 1941. After
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#17327837945956820-399: The defense is to prevent the offense from scoring by tackling the ball carrier or by forcing turnovers . Turnovers include interceptions (a defender catching a forward pass intended for the offense) and forced fumbles (taking possession of the ball from the ball-carrier). The defensive line (DL) consists of defensive ends (DE) and defensive tackles (DT). Defensive ends line up on
6930-400: The defense, but if they succeed, they are given a new set of four downs to continue the drive . Points are scored primarily by advancing the ball into the opposing team's end zone for a touchdown or kicking the ball through the opponent's goalposts for a field goal . The team with the most points at the end of the game wins. American football evolved in the United States, originating from
7040-430: The defensive backfield. They are divided into two types: middle linebackers (MLB) and outside linebackers (OLB). Linebackers tend to serve as the defensive leaders and call the defensive plays, given their vantage point of the offensive backfield. Their roles include defending the run, pressuring the quarterback, and tackling backs, wide receivers, and tight ends in the passing game. The defensive backfield , often called
7150-408: The design. In September 2010, a few days after the rededication, the University of Michigan's Board of Regents approved a plan to add permanent lights, at a cost of $ 1.8 million (equivalent to $ 2.46 million in 2023). The lights were first used at the men's hockey game on December 11, 2010. The following season saw the stadium's first night football game on September 10, 2011. The Wolverines defeated
7260-472: The ends and sides of the field are known as the end lines and sidelines . Goal lines are marked 10 yards (9.1 m) inward from each end line. Weighted pylons are placed the sidelines on the inside corner of the intersections with the goal lines and end lines. White markings on the field identify the distance from the end zone. Inbound lines, or hash marks , are short parallel lines that mark off 1-yard (0.91 m) increments. Yard lines , which can run
7370-404: The ends of the line, while defensive tackles line up inside, between the defensive ends. The primary responsibilities of defensive ends and defensive tackles are to stop running plays on the outside and inside, respectively, to pressure the quarterback on passing plays, and to occupy the line so that the linebackers can break through. Linebackers line up behind the defensive line but in front of
7480-499: The feet, hands, head, or sides, with the objective being to advance it into the opponent's goal. Rutgers won the game 6–4. Collegiate play continued for several years with games played using the rules of the host school. Representatives of Yale, Columbia , Princeton and Rutgers met on October 19, 1873, to create a standard set of rules for use by all schools. Teams were set at 20 players each, and fields of 400 by 250 feet (122 m × 76 m) were specified. Harvard abstained from
7590-528: The first game at Michigan Stadium, prevailing easily, 33–0. The new stadium was then formally dedicated three weeks later in a contest against Ohio State on October 22. Michigan had spoiled the formal dedication of Ohio Stadium in Columbus five years earlier and was victorious again, besting the Buckeyes 21–0 before a standing-room-only crowd of 84,401. In 1930, electronic scoreboards were installed, making
7700-422: The first quarter and play was suspended for approximately one hour. On September 3, 2011, Michigan and Western Michigan mutually agreed to end their game with 1:27 left in the third quarter because of an ongoing lightning delay. It was the first time Michigan had a football game called because of lightning. The stadium was evacuated at 6:38 p.m. and the game was called shortly after 7:00. On June 21, 2007,
7810-419: The game clock based on the direction of the appropriate official . A separate play clock is used to show the amount of time within which the offense must initiate a play. The play clock is set to 25 seconds after certain administrative stoppages in play and to 40 seconds when play is proceeding without such stoppages. If the offense fails to start a play before the play clock reads "00", a delay of game foul
7920-655: The game unless major changes were made. In response, 62 colleges and universities met in New York City to discuss rule changes on December 28, 1905. These proceedings resulted in the formation of the Intercollegiate Athletic Association of the United States, later renamed the National Collegiate Athletic Association (NCAA). The legal forward pass was introduced in 1906, although its effect
8030-443: The ground or a tee; a holder may be used in either case. On a safety kick, the kicking team kicks the ball from their own 20-yard line. They can punt, drop kick or place kick the ball, but a tee may not be used in professional play. Any member of the receiving team may catch or advance the ball. The ball may be recovered by the kicking team once it has gone at least ten yards and has touched the ground or has been touched by any member of
8140-434: The guards. The principal receivers are the wide receivers (WR) and the tight ends (TE). Wide receivers line up on or near the line of scrimmage, split outside the line. The main goal of the wide receiver is to catch passes thrown by the quarterback, but they may also function as decoys or as blockers during running plays. Tight ends line up outside the tackles and function both as receivers and as blockers. The role of
8250-555: The illegal payment of college players who were still in school. The National Football League (NFL), a group of professional teams that was originally established in 1920 as the American Professional Football Association, aimed to solve these problems. This new league's stated goals included an end to bidding wars over players, prevention of the use of college players, and abolition of the practice of paying players to leave another team. By 1922,
8360-451: The innovations introduced by the new American Football League (AFL) in the early 1960s, helped football to become the most popular sport in the United States by the mid-1960s. The rival AFL arose in 1960 and challenged the NFL's dominance. The AFL began in relative obscurity but eventually thrived, with an initial television contract with the ABC television network. The AFL's existence forced
8470-532: The need for a larger stadium after original expansions to Ferry Field proved to be too small, and persuaded the regents to build a permanent stadium in 1926. Fashioned after the Yale Bowl , the original stadium was built with a capacity of 72,000, though Yost originally wanted to have a capacity of 140,000. At Yost's urging, temporary bleachers were added at the top of the stadium, increasing capacity to 82,000. On October 1, 1927, Michigan played Ohio Wesleyan in
8580-411: The new boards measure 4,000 sq ft (370 m) each with a resolution of 900 x 1632. Michigan Stadium was rededicated on September 4, 2010, before Michigan's first home football game of the 2010 season against the University of Connecticut , with a listed capacity of 109,901. After the renovation, the stadium lacked permanent lights, although platforms for temporary lights were included in
8690-429: The offense advances ten or more yards in the four downs, they are awarded a new set of four downs. If they fail to advance ten yards, possession of the football is turned over to the defense. In most situations, if the offense reaches their fourth down they will punt the ball to the other team, which forces them to begin their drive from farther down the field; if they are in field goal range , they might attempt to score
8800-445: The plane of the two end lines. The crossbar of these posts is 10 feet (3.0 m) above the ground, with vertical uprights at the end of the crossbar 18 feet 6 inches (5.64 m) apart for professional and collegiate play, and 23 feet 4 inches (7.11 m) apart for high school play. The uprights extend vertically 35 feet (11 m) on professional fields, a minimum of 10 yards (9.1 m) on college fields, and
8910-451: The point(s)-after-touchdown (PAT) or conversion, which is a single scoring opportunity. This is generally attempted from the two- or three-yard line, depending on the level of play. If the PAT is scored by a place kick or drop kick through the goal posts, it is worth one point, typically called the extra point. If the PAT is scored by what would normally be a touchdown, it is worth two points; this
9020-556: The primary proponents of the rugby-style game, compromised and did not request the name of the sport be changed to "rugby". The terms " gridiron " or "American football" are favored in English-speaking countries where other types of football are popular, such as the United Kingdom, Ireland, New Zealand, and Australia. American football evolved from the sports of rugby and soccer . Rugby, like American football,
9130-429: The primary variants of gridiron football . American football is the most popular sport in the United States in terms of broadcast viewership audience. The most popular forms of the game are professional and college football , with the other major levels being high-school and youth football. As of 2022 , nearly 1.04 million high-school athletes play the sport in the U.S., with another 81,000 college athletes in
9240-422: The punter. In football, the winner is the team that has scored more points at the end of the game. There are multiple ways to score in a football game. The touchdown (TD), worth six points, is the most valuable scoring play in American football. A touchdown is scored when a live ball is advanced into, caught, or recovered in the opposing team's end zone. The scoring team then attempts a try, more commonly known as
9350-401: The receiving team. The three types of scrimmage kicks are place kicks, drop kicks, and punts. Only place kicks and drop kicks can score points. The place kick is the standard method used to score points, because the pointy shape of the football makes it difficult to reliably drop kick. Once the ball has been kicked from a scrimmage kick, it can be advanced by the kicking team only if it
9460-631: The rest of the offense of the play in the huddle before the team lines up. The quarterback lines up behind the center to take the snap and then hands the ball off, throws it, or runs with it. The primary role of the halfback, also known as the running back or tailback, is to carry the ball on running plays. Halfbacks may also serve as receivers. Fullbacks tend to be larger than halfbacks and function primarily as blockers, but they are sometimes used as runners in short-yardage or goal-line situations. They are seldom used as receivers. The offensive line (OL) consists of several players whose primary function
9570-507: The role of minority players, actively recruited by the league in contrast to the NFL. The AFL also signed several star college players who had also been drafted by NFL teams. Competition for players heated up in 1965, when the AFL New York Jets signed rookie Joe Namath to a then-record $ 437,000 contract (equivalent to $ 4.23 million in 2023). A five-year, $ 40 million NBC television contract followed, which helped to sustain
9680-472: The school's unusual name. Soon, it was a tradition, and Slippery Rock became so popular with U of M fans that on September 29, 1979, "The Rock" played in-state rival Shippensburg at Michigan Stadium, in front of 61,143 fans (Shippensburg won, 45-14). Slippery Rock made repeat trips to Ann Arbor in 1981 and 2014. With an attendance of 104,173, " The Big Chill at the Big House " set the record attendance for
9790-503: The secondary, consists of cornerbacks (CB) and safeties (S). Safeties are themselves divided into free safeties (FS) and strong safeties (SS). Cornerbacks line up outside the defensive formation, typically opposite a receiver to be able to cover them. Safeties line up between the cornerbacks but farther back in the secondary. Safeties tend to be viewed as "the last line of defense" and are responsible for stopping deep passing plays as well as breakout running plays. The special teams unit
9900-539: The sport does not have the international popularity of other American sports like baseball or basketball ; the sport maintains a growing following in the rest of North America, Europe, Brazil, and Japan. In the United States, American football is referred to as "football". The term "football" was officially established in the rulebook for the 1876 college football season , when the sport first shifted from soccer-style rules to rugby-style rules. Although it could easily have been called "rugby" at this point, Harvard, one of
10010-439: The sports of soccer and rugby . The first American football game was played on November 6, 1869 , between two college teams, Rutgers and Princeton , using rules based on the rules of soccer at the time. A set of rule changes drawn up from 1880 onward by Walter Camp , the "Father of American Football", established the snap , the line of scrimmage , eleven-player teams, and the concept of downs. Later rule changes legalized
10120-540: The stadium has held over 100,000 fans for every home game (the Indiana University contest on October 25, 1975 attracted "only" 93,857 fans).—and 24 of the 25 most attended NCAA games are at the stadium. Michigan Stadium's size is not wholly apparent from the outside as most of the seats are below ground level. By the mid-1980s, Michigan Stadium had become known by the nickname "The Big House". Michigan's game versus Ball State University on November 4, 2006,
10230-407: The stadium the first in the United States to use them to keep the official game time. In 1956, the addition of a press box raised the stadium's official capacity to 101,001. The one "extra seat" in Michigan Stadium is said to be reserved for Fritz Crisler , athletic director at the time. Since then, all official Michigan Stadium capacity figures have ended in "-01", although the extra seat's location
10340-429: The style of Fielding Yost , and honking a horn that had been used on General George Patton's jeep after every Michigan score. Outside of broadcasting, Ufer was a life insurance salesman who founded his own company, Ufer & Co. Insurance, in 1947. The offices of Ufer & Co. Insurance, which had been sold by Ufer's sons in 2009 to Kapnick Insurance Group, were moved to a location adjacent to Briarwood Mall to
10450-408: The team with possession of the oval-shaped football , attempts to advance down the field by running with the ball or throwing it , while the defense , the team without possession of the ball, aims to stop the offense's advance and to take control of the ball for themselves. The offense must advance the ball at least ten yards in four downs or plays; if they fail, they turn over the football to
10560-794: The third-largest in college football behind the video boards at Jordan-Hare Stadium and Ross–Ade Stadium , and are among the largest in the world . The new video boards were part of a $ 41 million Michigan athletic department renovation that also upgraded the production room and audio system, and introduced a new LED stadium lighting system. The renovations also included replacing the video boards at Alumni Field at Carol Hutchins Stadium , home of Michigan softball ; Cliff Keen Arena, home of Michigan men's gymnastics , women's volleyball , and wrestling ; Phyllis Ocker Field , home of Michigan field hockey ; Ray Fisher Stadium , home of Michigan baseball ; and U-M Soccer Stadium, home of Michigan men's soccer and women's soccer . The stadium's original capacity
10670-415: The time, the decision was made to build a smaller stadium than Yost envisioned but to include the footings for future expansion. Michigan Stadium is used for the University of Michigan's main graduation ceremonies; President Lyndon B. Johnson outlined his Great Society program at the 1964 commencement ceremonies in the stadium. It has also hosted hockey games including the 2014 NHL Winter Classic ,
10780-530: The university announced that the official capacity of the stadium would be reduced to accommodate additional wheelchair-accessible seating beginning with the 2009 season. The project was completed before the 2010 season . Renovations in April 2008 caused that year's University of Michigan graduation ceremony to be moved to the Diag . In August 2011, the University completed a six-month scoreboard replacement project;
10890-411: The width of the field, are marked every 5 yards (4.6 m). A one-yard-wide line is placed at each end of the field; this line is marked at the center of the two-yard line in professional play and at the three-yard line in college play. Numerals that display the distance from the closest goal line in yards are placed on both sides of the field every ten yards. Goalposts are located at the center of
11000-408: The winning team decides to defer, the losing team chooses the option the winning team did not select—to receive, kick, or select a goal to defend to begin the second half. Most teams choose to receive or defer, because choosing to kick the ball to start the game allows the other team to choose which goal to defend. Teams switch goals following the first and third quarters. If a down is in progress when
11110-408: The young league. The bidding war for players ended in 1966 when NFL owners approached the AFL regarding a merger, and the two leagues agreed on one that took full effect in 1970. This agreement provided for a common draft that would take place each year, and it instituted an annual World Championship game to be played between the champions of each league. This championship game began play at the end of
11220-435: Was 72,000, but Fielding Yost made certain to install footings that could allow for expansion over 100,000 seats. Initially, all seating consisted of wooden bleachers. These were replaced with permanent metal seating in 1949 by Fritz Crisler, athletic director at the time. From 1927 to 1968, the stadium's field was natural grass. This was replaced with 3M TartanTurf in 1969 to give players better traction. However, this surface
11330-642: Was an American track and field athlete and radio broadcaster . As an athlete, he set the world indoor record of 48.1 seconds in the indoor 440-yard (quarter-mile) run and was selected as an All-American in 1943. As a broadcaster, he served as the lead broadcaster for the Michigan Wolverines football team for 36 years, starting in 1945. He was in the first group inducted in 1978 into the University of Michigan Athletic Hall of Honor along with Gerald Ford , Bill Freehan , Tom Harmon , Ron Kramer , Bennie Oosterbaan , and Cazzie Russell . Ufer
11440-692: Was born in Cleveland, Ohio and grew up in the Pittsburgh suburb of Mt. Lebanon, Pennsylvania . His father Clarence was a lumber broker who had been on the track team during his time at the University of Michigan . Ufer was a track star at Mercersburg Academy , competing under coach Jimmy Curran , and was part of the 440 yard relay team that broke the world scholastic record with a time of 42.2 seconds. This feat earned Ufer and his relay teammates—Jack Watt, Austin Kellam, and Paxson "Pax" Gifford—a place on
11550-485: Was built in 1927 at a cost of $ 950,000 (equivalent to $ 13.4 million in 2023) and had an original capacity of 72,000. Prior to the stadium's construction, the Wolverines played football at Ferry Field . Every home game since November 8, 1975 has drawn a crowd in excess of 100,000, an active streak of more than 300 contests. On September 7, 2013, the game between Michigan and the Notre Dame Fighting Irish attracted
11660-418: Was initially minimal due to the restrictions placed on its use. The idea of a 40-yard-wider field was opposed by Harvard due to the size of the new Harvard Stadium . Other rule changes introduced that year included the reduction of playing time from 70 to 60 minutes and an increase of the distance required for a first down from 5 to 10 yards (4.6 to 9.1 m). To reduce infighting and dirty play between teams,
11770-440: Was necessary to prevent this strategy from taking hold, and a reversion to the scrum was considered. However, Camp successfully proposed a rule in 1882 that limited each team to three downs , or tackles, to advance the ball 5 yards (4.6 m). Failure to advance the ball the required distance within those three downs would result in control of the ball being forfeited to the other team. This change effectively made American football
11880-556: Was profitable, but it tended to prevent the two top-ranked teams from meeting in a true national championship game, as they would normally be committed to the bowl games of their respective conferences. Several systems have been used since 1992 to determine a national champion of college football. The first was the Bowl Coalition , in place from 1992 to 1994. This was replaced in 1995 by the Bowl Alliance , which gave way to
11990-589: Was the 200th consecutive crowd of over 100,000 fans. When the game's attendance is announced, the public address announcer, historically Howard King , thanks the fans for "being part of the largest crowd watching a football game anywhere in America today". On September 9, 2006, attendees of Michigan's football game against the Central Michigan Chippewas endured the first weather delay in the stadium's history after lightning struck nearby during
12100-468: Was thought to be unforgiving on players' joints, and the stadium returned to natural grass in 1991. This too became problematic, as the field's below-surface location near the water table made it difficult for grass to permanently take root. The field was converted to FieldTurf , an artificial surface designed to give grass-like playing characteristics, in 2003. In 2010, it was upgraded with a newer version of FieldTurf called Duraspine. Michigan Stadium holds
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