54-667: The Muskogee Oilers were a professional, minor league baseball team that played in the Western League in 1933. They began the year in Wichita, Kansas as the Wichita Oilers , but moved to Muskogee, Oklahoma after being evicted from their park in Wichita. Hall of Famer Rube Marquard managed the team at one point, while All-Star pitchers Mort Cooper and Kirby Higbe played for the club. This article about
108-514: A baseball team in Kansas is a stub . You can help Misplaced Pages by expanding it . This article about a baseball team in Oklahoma is a stub . You can help Misplaced Pages by expanding it . Minor league baseball Minor League Baseball ( MiLB ) is a professional baseball organization below Major League Baseball (MLB), including teams affiliated with MLB clubs. Entering the 2021 season,
162-688: A championship pennant. The first true minor league is traditionally considered to be the Northwestern League of 1883 to 1884. Unlike the earlier minor associations, it was conceived as a permanent organization. It also, along with the NL and the American Association (AA), was a party to the National Agreement of 1883 . Included in this was the agreement to respect the reserve lists of clubs in each league. Teams in
216-490: A flat-fee purchase amount of $ 5,000 for the contract of any player from an NA member league team. This measure was leveled primarily at the Baltimore Orioles , then a Triple-A team that had dominated the minors by keeping players longer than many competitors, allowing the players to more fully develop, driving up their sale value to major-league teams and giving Baltimore a talent advantage. Deprived of this option by
270-667: A higher level of play. These leagues are intended almost exclusively to allow players to hone their skills; no admission is charged and no concessions are sold. As of the 2024 season, the Arizona Complex League and Florida Complex League seasons commence in early May and conclude in late July in order to provide players with previous experience in the Dominican Summer League with a full season in stateside professional baseball without having to compete for playing time with newly drafted players selected in
324-591: A limited membership which excluded less competitive and financially weaker teams. Professional clubs outside the NL responded by forming regional associations of their own. There was a series of ad hoc groupings, such as the New England Association of 1877 and the Eastern Championship Association of 1881. These were loose groups of independent clubs which agreed to play a series of games over the course of one season for
378-481: A second or third promotion for a minor league player, although some high first-round draftees, particularly those with experience playing college baseball , begin at this level. Below the High-A level is Single-A, named "Class A" before 2021, when it was also known as Single-A or Full-Season A, and "Low-A" for the 2021 season. This classification has three leagues: the 8-team California League , known as Low-A West for
432-516: A statement, asserting that it is "unnecessary and unacceptable to wipe out one-quarter of minor league teams" and characterized the proposal as a way "to improve the profitability of MLB". Manfred rebuked Minor League Baseball for releasing the negotiations to the public and threatened to cut ties with MiLB altogether. The following changes, which represent the first significant overhaul of minor league classifications since 1963, have since been implemented: When MLB teams announced their affiliates for
486-526: A steady supply of players, as many NA and independent teams could not afford to keep their doors open without the patronage of Major League Baseball. The leagues of the NA became subordinate to the major leagues, creating the first minor leagues in the current sense of the term. Other than the Pacific Coast League (PCL), which under its president Pants Rowland tried to become a third major league in
540-517: A temporary replacement. There are currently three leagues in this classification: the 12-team Eastern League , known as Double-A Northeast for the 2021 season, with teams in the Northeast and Mid-Atlantic regions of the U.S., the eight-team Southern League (known as Double-A South for the 2021 season) with teams in the Deep South, and the 10-team Texas League (known as Double-A Central for
594-486: Is usually that these veteran players will be in the majors by the end of the season, as their salaries tend to be higher than those of most prospects. One level below Double-A is the High-A level, named "Class A-Advanced" before 2021. This classification has three leagues: the 12-team Midwest League , known as High-A Central for the 2021 season, covering the Midwest, the six-team Northwest League , known as High-A West for
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#1732802459518648-672: The Arizona Complex League and Florida Complex League , known as the Arizona League and Gulf Coast League, respectively, before 2021, and one Caribbean-based league, the Dominican Summer League . The U.S.-based Rookie leagues play a schedule of approximately 60 games and are named "complex leagues" because games are played at their parent clubs' spring training complexes. Rosters consist primarily of newly drafted players who are not yet ready for
702-499: The Dominican Republic . Additionally, four independent leagues are in association with MiLB. As of the 2022 season, the minor league system is divided into four classes: Triple-A (AAA), Double-A (AA), High-A (A+), and Single-A (A). Major League Baseball franchises may also maintain one or two complex-based rookie teams in the Arizona Complex League or Florida Complex League , and international summer baseball teams in
756-467: The Dominican Summer League . While major league teams play a 162-game schedule, minor league seasons are shorter. As of 2022 , a complete season in Triple-A is 150 games, Double-A is 138 games, and High-A and Single-A are each 132 games. In addition to the below organized leagues, the off-season Arizona Fall League has six teams that play approximately 30 games apiece in autumn, with rosters comprising
810-610: The National Association of Professional Base Ball Players of 1871 to 1875, commonly referred to as the National Association, comprised all fully professional teams. This system proved unworkable, however, as there was no way to ensure competitive balance, and financially unsound clubs often failed in midseason. This problem was solved in 1876 with the formation of the National League (NL), with
864-695: The Northwest League and Midwest League promoted with 75% of their teams. The Carolina League dropped to Low-A with seven of its ten teams and added five from the old South Atlantic League in trade; the SAL in turn moved to High-A with half of its previous 12-team roster, filling it out with two Carolina League High-A holdovers, one Midwest League returnee, and three formerly short-season New York-Penn League promotees. On February 12, 2021, Major League Baseball announced new league alignments for all 120 affiliated Minor League Baseball clubs effective as of
918-686: The Trenton Senators . The league was renamed as the Eastern League in 1938 when the Scranton Miners of Scranton, Pennsylvania , moved to Hartford, Connecticut , and became the Hartford Bees . The league has had teams in a total of 52 different cities, located in 12 different states and two Canadian provinces. The league consisted of six to eight teams from 1923 until 1993. The league expanded to 10 teams in 1994 with
972-567: The United States Congress signed a letter sent to Commissioner of Baseball Rob Manfred opposing the proposal, noting that it "is not in the best interest of the overall game of baseball" and that it would "devastate our communities, their bond purchasers and other stakeholders affected by the potential loss of these clubs." A response from MLB highlighted that the proposal aims to improve player travel and working conditions. On November 21, 2019, Minor League Baseball released
1026-658: The 1950s and early 1960s. In 1949, the peak of the postwar minor league baseball boom, 448 teams in 59 leagues were members of the National Association of Professional Baseball Leagues, with the number of teams falling to 324 in 1952, and 243 in 1955. By the end of 1963, only 15 leagues above Rookie-level survived in the United States and Canada. After the 1962 season, the Triple-A American Association—which had lost key markets such as Milwaukee , Kansas City , Minneapolis–Saint Paul and Houston to
1080-697: The 2009 season, becoming the Richmond Flying Squirrels . The start of the 2020 season was postponed due to the COVID-19 pandemic before ultimately being cancelled. As part of Major League Baseball 's 2021 reorganization of the minor leagues, the league was temporarily renamed the "Double-A Northeast"; the Somerset Patriots , formerly an independent team, joined the league, while the Trenton Thunder were relegated to
1134-523: The 2021 season on December 9, 2020, each of the 30 MLB teams had one affiliate at four levels—Triple-A, Double-A, High-A, and Low-A—for a total of 120 affiliated teams. Approximately 40 teams lost their MLB affiliations; the Fresno Grizzlies were demoted from Triple-A to Low-A; and the majority of surviving clubs at High-A and Low-A swapped levels, with the former Florida State League and California League dropped down nearly as intact units and
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#17328024595181188-466: The 2021 season) with teams in the Southwest and Great Plains. Some players jump to the majors from this level, as many of the top prospects are put here to play against each other rather than against minor and major league veterans in Triple-A. A small handful of players might be placed here to start, usually veterans from foreign leagues with more experience in professional baseball. The expectation
1242-486: The 2021 season, located entirely in California , the 12-team Carolina League , known as Low-A East for the 2021 season, and the 10-team Florida State League , known as Low-A Southeast for the 2021 season. All three leagues were demoted from High-A to Single-A effective with the 2021 season. These leagues are a mix of players moving up from Rookie leagues, as well as the occasional experienced first-year player. Most of
1296-673: The 2021 season, with teams in the Pacific Northwest, and the 12-team South Atlantic League , known as High-A East for the 2021 season, with teams in the eastern states. All three leagues were reclassified prior to the 2021 season, with the Midwest League and the South Atlantic League promoted from Single-A and the Northwest League promoted from Class A Short Season. This level of play is often
1350-497: The 2021 season. Contrary to previously published reports indicating that realignment would retain the names of the existing minor leagues, Major League Baseball elected to abandon the names of existing minor leagues in favor of a new, class- and region-based naming system. Triple-A was divided into two leagues: Eastern League (1938%E2%80%93present) The Eastern League ( EL ) is a Minor League Baseball (MiLB) sports league that has operated under that name since 1938, with
1404-522: The Dominican Summer League who have not yet been assigned to a domestic affiliate, as well as players placed on the minor league 60-day and full-season injured lists—during the minor league season, with a limit of 175 domestic players during the offseason. During the minor league season, the following roster limits for each classification are used: Triple-A Double-A High-A Single-A Rookie Off-season leagues Showcase league Partner leagues The earliest professional baseball league,
1458-422: The Eastern League. A "†" indicates that team's article redirects to an article of a defunct Eastern League team. League champions have been determined by different means since the Eastern League's formation in 1923. Before 1934, the champions were simply the league pennant winners. A formal playoff system to determine league champions was established in 1934. The Binghamton Triplets have won 10 championships,
1512-603: The July Major League Baseball draft . This adjusted schedule also allows the top Rookie-level prospects in each organization to be promoted to class Single-A for the final two months of the professional baseball season upon the conclusion of the complex league seasons. As of the 2024 season, each major league club may have no more than 165 players assigned to the rosters of their domestic affiliates (i.e., Triple-A, Double-A, High-A, Single-A, and complex-league Rookie)—excluding international players assigned to
1566-553: The Major Leagues since 1953—disbanded. The surviving International and Pacific Coast leagues absorbed the four remaining American Association franchises. Meanwhile, at the Double-A level and below there were even more significant changes: Designations below Class A disappeared because the lower levels could not sustain operation during a large downturn in the financial fortunes of minor league baseball, due to factors including
1620-562: The NL and the AA could only reserve players who had been paid at least $ 1,000. Northwestern League teams could reserve players paid $ 750, implicitly establishing the division into major and minor leagues. Over the next two decades, more minor leagues signed various versions of the National Agreement. Eventually, the minor leagues allied to negotiate jointly. In the late 1890s, the Western League run by Ban Johnson decided to challenge
1674-517: The NL's position. In 1900, he changed the name of the league to the American League (AL) and vowed to make deals to sign contracts with players who were dissatisfied with the pay and terms of their deals with the NL. This led to a turf war that heated up in 1901 enough to concern Patrick T. Powers , president of the Eastern League, and many other minor league owners about the conflict potentially affecting their organizations. Representatives of
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1728-607: The Texas League, which had last operated in 1942, and the Southern Association) became Class AA. Class A remained the third-highest classification, with lower levels still ranked Class B through Class D in descending order, with Class D being the equivalent of later Rookie leagues. The impact of the Korean War in 1950 caused a player shortage in many cities below Class B. In 1952, the "Open" classification
1782-671: The Triple-A Inter–American League (1979). None lasted more than a full season. In October 2019, Baseball America reported that Major League Baseball had proposed dramatic changes to MiLB that would take effect after expiration of the Professional Baseball Agreement, which governed the MLB–MiLB relationship, at the end of the 2020 season. This included the elimination of many minor league teams. In mid-November 2019, more than 100 members of
1836-474: The Triple-A level. Such players are eligible to be added to a team's active major league roster. For teams in contention for a playoff spot late in a season, it gives them fresh players, while for teams not in contention, it gives them an opportunity to evaluate their second-tier players against major league competition. Some Triple-A players are "career minor leaguers", former prospects whose skill growth has halted and who are not likely to advance to MLB, unless as
1890-691: The Western states, the other leagues maintained autonomy in name only, being totally economically dependent upon the AL and NL. In 1922, the United States Supreme Court decision Federal Baseball Club v. National League (259 U.S. 200), which grants baseball a special immunity from antitrust laws , had a major effect on the minor leagues. The special immunity meant that the AL and NL could dictate terms under which every independent league did business. By 1925, major league baseball established
1944-1042: The addition of the Portland Sea Dogs and the New Haven Ravens and split into two divisions, the Northern Division and the Southern Division. The league expanded to 12 teams in 1999 with the addition of the Altoona Curve and the Erie SeaWolves . The two divisions were restructured and renamed for the 2010 season as the Eastern Division and the Western Division because the Connecticut Defenders moved to Richmond, Virginia , after
1998-615: The different minor leagues met at the Leland Hotel in Chicago on September 5, 1901. In response to the NL–AL battle, they agreed to form the National Association of Professional Baseball Leagues (NAPBL), sometimes shortened to National Association (NA), which would later adopt the trade name "Minor League Baseball". The purpose of the NAPBL at the time was to maintain the independence of
2052-752: The exception of the 2021 season, during which the league operated under the moniker Double-A Northeast . The league has played at the Double-A level since 1963, and consists primarily of teams located in the Northeastern United States . The league was founded in 1923 as the New York–Pennsylvania League . The first team outside the two original states was created in 1936 when the York White Roses of York, Pennsylvania , moved to Trenton, New Jersey , and were renamed
2106-435: The flat-fee policy, minor league teams had little choice but to sell players as soon as they drew major-league interest. The earliest classifications used in the minor leagues began circa 1890, for teams that were party to the National Agreement of 1883. The different levels represented different levels of protection for player contracts and reserve clauses : After the National Association of Professional Baseball Leagues
2160-446: The following assignments entering the 1902 season: Additional classifications added prior to World War II included: In 1946, with the minor leagues poised for unprecedented growth, the higher-level classifications were changed. Class AAA ("Triple-A") was created and the three Double-A circuits (the Pacific Coast League , International League , and the American Association ) were reclassified into Triple-A. Class A1 (comprising
2214-451: The later stages of the negotiations to develop rules for the acquisition of players from their leagues by the NL and the AL. The 1903 agreement ensured that teams would be compensated for the players that they had taken the time and effort to scout and develop, and no NA team was required to sell their players, although most did because the cash was an important source of revenue for most teams. The NA leagues were still fiercely independent, and
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2268-539: The leagues involved. Several did not sign the agreement and continued to work independently. Powers was made the first president of the NAPBL, whose offices were established in Auburn, New York . In 1903, the conflict between the AL and NL ended in the National Agreement of 1903 , which created the National Baseball Commission to oversee the major and minor leagues. The NAPBL became involved in
2322-584: The minor leagues, such as Buzz Arlett , Jigger Statz , Ike Boone , Buddy Ryan , Earl Rapp , and Frank Shellenback , as comparable to major league players. Leagues in the NA would not be truly called minor until Branch Rickey developed the first modern farm system in the 1930s. The Commissioner of Baseball , Kenesaw Mountain Landis fought Rickey's scheme, but, ultimately, the Great Depression drove teams to establish systems like Rickey's to ensure
2376-525: The newly-formed MLB Draft League . Following MLB's acquisition of the rights to the names of the historical minor leagues, the Double-A Northeast was renamed the Eastern League effective with the 2022 season. Notes : This list includes teams in predecessor New York–Pennsylvania League of 1923 to 1937 . Bold font indicates an active Eastern League team. A "^" indicates that team's article redirects to an article of an active team formerly of
2430-471: The number of full-season MLB-affiliated minor leagues with teams in the United States and Canada was reduced to 11, with a total of 120 teams (four per each of the 30 MLB franchises). There are also two affiliated rookie leagues based in the United States, with teams based at the parent clubs' spring training complexes in Arizona and Florida , an off-season autumn league, and one affiliated rookie league in
2484-597: The other two leagues, as part of a reorganization of the Triple-A level in 1997. The International League features teams from the Atlantic coast and midwestern U.S., while the Pacific Coast League features teams from the Pacific coast and the southwest. Both young players and veterans play for Triple-A teams. Parent clubs often hold players who are on the 40-man roster , but not on the active MLB roster, at
2538-608: The rise of television broadcasts of major league sports across broad regions of the country. As part of the 1963 reorganization, Major League clubs increased their commitments to affiliate with minor league teams through Player Development Contracts, outright ownerships, or shared affiliations and co-op arrangements. The minor league system that evolved following the 1963 reorganization remained in place through 2020, categorizing leagues into one of six classes: Triple-A (AAA), Double-A (AA), Class A-Advanced (High A or A+), Class A (Low A), Class A Short Season, and Rookie. Furthermore, Rookie
2592-534: The teams in the Florida State League are owned by major league parent clubs and use their spring training complexes. In 2022, the official name of the class became Single-A. Minor leagues with the Rookie classification play a shortened season that traditionally began in mid-June and ended in late August or early September. This lowest level of minor league baseball consists of two US-based leagues,
2646-404: The term minor was seldom used in reference to them, save by the major-market sportswriters. Sports news, like most news generally, often did not travel far in the days before radio and television, so, while the leagues often bristled at the major market writers' descriptions, they viewed themselves as independent sports businesses. Many baseball writers of that time regarded the greatest players of
2700-513: The time it seemed like the PCL would eventually become a third major league. The PCL would revert to Triple-A in 1958, due to increasing television coverage of major league games and in light of the Dodgers and Giants moving to Los Angeles and San Francisco , respectively. A significant reorganization of the minor leagues took place in 1963, caused by the contraction of clubs and leagues during
2754-439: The top prospects associated with each of the six MLB divisions. This classification currently includes two affiliated leagues: the 20-team International League and the 10-team Pacific Coast League , known as Triple-A East and Triple-A West, respectively, for the 2021 season. For most of the 20th century, Triple-A also included the American Association , based in the Midwest, but that league disbanded with its clubs absorbed by
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#17328024595182808-410: Was created. The Pacific Coast League (PCL), which had been rated Triple-A since 1946, was the only minor league to obtain this classification, which it held through 1957. At this time, the major leagues only extended as far west as St. Louis, Missouri , and as far south as Washington, D.C. This classification severely restricted the rights of the major leagues to draft players out of the PCL, and at
2862-422: Was founded in 1901, classifications were redefined: † Draft fee set an amount for a team in a higher class to select a player; n/a for Class A as it would be up to each team to negotiate with an interested major league club. ‡ Protection fee reserved a player to a team, even after a contract expired, preventing the player for seeking employment with any other team. All minor leagues were classified, and had
2916-519: Was further informally subdivided into Rookie Advanced, complex-based Rookie, and international summer baseball. There have also been some failed start-up leagues. During the 1970s, three official minor leagues (members of NAPBL) attempted unsuccessfully to revive unaffiliated baseball (teams not associated with specific MLB franchises) within the organized baseball structure. These were the Class A Gulf States League (1976) and Lone Star League (1977), and
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