List of Minor League Baseball leagues and teams


There are 14 Minor League Baseball leagues and 206 teams in operation across the United States, Dominican Republic, and Canada, which are affiliated with Major League Baseball teams. They are organized by one of five classes : Triple-A, Double-A, High-A, Single-A, and Rookie. Of these, 120 teams in 11 leagues are each affiliated with one MLB team through a standardized professional development license. Additionally, three leagues consisting of a total of 85 Rookie teams are located at MLB spring training complexes in Arizona and Florida, as well as in the Dominican Republic. These affiliated leagues contest their seasons during the MLB season.
The Arizona Fall League, consisting of six teams, operates in the autumn after the conclusion of the MiLB and MLB seasons to develop top prospects at various classifications.
Seven independent baseball leagues, consisting of a total of 69 teams, have no direct affiliation with Major League Baseball, though the American Association, Atlantic League, Frontier League, and Pioneer League are designated MLB Partner Leagues.

Leagues affiliated with Major League Baseball

Triple-A leagues

The Triple-A classification is the highest level of play in MiLB, just below MLB. A total of 30 affiliated teams compete at this level, with 20 teams in the International League and 10 teams in the Pacific Coast League.

International League

TeamDivisionCityStateStadiumCapacityAffiliate
Buffalo BisonsEastBuffaloNew YorkSahlen Field16,600Toronto Blue Jays
Charlotte KnightsEastCharlotteNorth CarolinaTruist Field10,200Chicago White Sox
Columbus ClippersWestColumbusOhioHuntington Park10,100Cleveland Guardians
Durham BullsEastDurhamNorth CarolinaDurham Bulls Athletic Park10,000Tampa Bay Rays
Gwinnett StripersWestLawrencevilleGeorgiaCoolray Field10,427Atlanta Braves
Indianapolis IndiansWestIndianapolisIndianaVictory Field14,230Pittsburgh Pirates
Iowa CubsWestDes MoinesIowaPrincipal Park11,500Chicago Cubs
Jacksonville Jumbo ShrimpEastJacksonvilleFloridaVyStar Ballpark11,000Miami Marlins
Lehigh Valley IronPigsEastAllentownPennsylvaniaCoca-Cola Park10,100Philadelphia Phillies
Louisville BatsWestLouisvilleKentuckyLouisville Slugger Field13,131Cincinnati Reds
Memphis RedbirdsWestMemphisTennesseeAutoZone Park10,000St. Louis Cardinals
Nashville SoundsWestNashvilleTennesseeFirst Horizon Park10,000Milwaukee Brewers
Norfolk TidesEastNorfolkVirginiaHarbor Park11,856Baltimore Orioles
Omaha Storm ChasersWestPapillionNebraskaWerner Park9,023Kansas City Royals
Rochester Red WingsEastRochesterNew YorkInnovative Field10,840Washington Nationals
Scranton/Wilkes-Barre RailRidersEastMoosicPennsylvaniaPNC Field10,000New York Yankees
St. Paul SaintsWestSaint PaulMinnesotaCHS Field7,210Minnesota Twins
Syracuse MetsEastSyracuseNew YorkNBT Bank Stadium11,731New York Mets
Toledo Mud HensWestToledoOhioFifth Third Field10,300Detroit Tigers
Worcester Red SoxEastWorcesterMassachusettsPolar Park9,508Boston Red Sox

Pacific Coast League

TeamDivisionCityStateStadiumCapacityAffiliate
Albuquerque IsotopesEastAlbuquerqueNew MexicoRio Grande Credit Union Field at Isotopes Park13,500Colorado Rockies
El Paso ChihuahuasEastEl PasoTexasSouthwest University Park9,500San Diego Padres
Las Vegas AviatorsWestLas VegasNevadaLas Vegas Ballpark10,000Athletics
Oklahoma City CometsEastOklahoma CityOklahomaChickasaw Bricktown Ballpark9,000Los Angeles Dodgers
Reno AcesWestRenoNevadaGreater Nevada Field9,013Arizona Diamondbacks
Round Rock ExpressEastRound RockTexasDell Diamond11,631Texas Rangers
Sacramento River CatsWestWest SacramentoCaliforniaSutter Health Park14,014San Francisco Giants
Salt Lake BeesWestSouth JordanUtahBallpark at America First Square8,500Los Angeles Angels
Sugar Land Space CowboysEastSugar LandTexasConstellation Field7,500Houston Astros
Tacoma RainiersWestTacomaWashingtonCheney Stadium6,500Seattle Mariners

Double-A leagues

The Double-A classification is the second-highest level of play in Minor League Baseball. A total of 30 teams compete at this level, with 12 teams in the Eastern League, 8 teams in the Southern League, and 10 teams in the Texas League.

Eastern League

TeamDivisionCityStateStadiumCapacityAffiliate
Akron RubberDucksSouthwestAkronOhio7 17 Credit Union Park9,097Cleveland Guardians
Altoona CurveSouthwestAltoonaPennsylvaniaPeoples Natural Gas Field7,210Pittsburgh Pirates
Binghamton Rumble PoniesNortheastBinghamtonNew YorkMirabito Stadium6,012New York Mets
Chesapeake BaysoxSouthwestBowieMarylandPrince George's Stadium10,000Baltimore Orioles
Erie SeaWolvesSouthwestEriePennsylvaniaUPMC Park6,952Detroit Tigers
Harrisburg SenatorsSouthwestHarrisburgPennsylvaniaFNB Field6,187Washington Nationals
Hartford Yard GoatsNortheastHartfordConnecticutDunkin' Park6,000Colorado Rockies
New Hampshire Fisher CatsNortheastManchesterNew HampshireDelta Dental Stadium6,500Toronto Blue Jays
Portland Sea DogsNortheastPortlandMaineHadlock Field7,368Boston Red Sox
Reading Fightin PhilsNortheastReadingPennsylvaniaFirstEnergy Stadium9,000Philadelphia Phillies
Richmond Flying SquirrelsSouthwestRichmondVirginiaCarMax Park10,000San Francisco Giants
Somerset PatriotsNortheastBridgewaterNew JerseyTD Bank Ballpark6,100New York Yankees

Southern League

TeamDivisionCityStateStadiumCapacityAffiliate
Biloxi ShuckersSouthBiloxiMississippiKeesler Federal Park6,000Milwaukee Brewers
Birmingham BaronsNorthBirminghamAlabamaRegions Field8,500Chicago White Sox
Chattanooga LookoutsNorthChattanoogaTennesseeErlanger Park8,032Cincinnati Reds
Columbus ClingstonesSouthColumbusGeorgiaSynovus Park5,500Atlanta Braves
Knoxville SmokiesNorthKnoxvilleTennesseeCovenant Health Park6,355Chicago Cubs
Montgomery BiscuitsSouthMontgomeryAlabamaMontgomery Riverwalk Stadium7,000Tampa Bay Rays
Pensacola Blue WahoosSouthPensacolaFloridaBlue Wahoos Stadium5,038Miami Marlins
Rocket City Trash PandasNorthMadisonAlabamaToyota Field7,000Los Angeles Angels

Texas League

TeamDivisionCityStateStadiumCapacityAffiliate
Amarillo Sod PoodlesSouthAmarilloTexasHodgetown6,631Arizona Diamondbacks
Arkansas TravelersNorthNorth Little RockArkansasDickey–Stephens Park5,800Seattle Mariners
Corpus Christi HooksSouthCorpus ChristiTexasWhataburger Field7,679Houston Astros
Frisco RoughRidersSouthFriscoTexasRiders Field10,316Texas Rangers
Midland RockHoundsSouthMidlandTexasMomentum Bank Ballpark6,669Athletics
Northwest Arkansas NaturalsNorthSpringdaleArkansasArvest Ballpark7,305Kansas City Royals
San Antonio MissionsSouthSan AntonioTexasNelson W. Wolff Municipal Stadium9,200San Diego Padres
Springfield CardinalsNorthSpringfieldMissouriHammons Field10,486St. Louis Cardinals
Tulsa DrillersNorthTulsaOklahomaONEOK Field7,833Los Angeles Dodgers
Wichita Wind SurgeNorthWichitaKansasEquity Bank Park10,000Minnesota Twins