INTERNATIONAL LEAGUE
Minor League TeamAffiliationExpiration
Buffalo BisonsBlue Jays2020
Charlotte KnightsWhite Sox2020
Columbus ClippersIndians2020
Durham Bulls Rays2020
Gwinnett BravesBraves*N/A
Indianapolis IndiansPirates2020
Lehigh Valley IronPigsPhillies2020
Louisville BatsReds2020
Norfolk Tides Orioles2018
Pawtucket Red SoxRed Sox2020
Rochester Red WingsTwins2018
Scranton/W-B RailRidersYankees2018
Syracuse ChiefsNationals2018
Toledo Mud HensTigers2020
PACIFIC COAST LEAGUE
Minor League TeamAffiliationExpiration
Albuquerque IsotopesRockies2020
Colorado Springs SkySoxBrewers
2018
El Paso ChihuahuasPadres2020
Fresno GrizzliesAstros2018
Iowa CubsCubs2020
Las Vegas 51sMets2018
Memphis RedbirdsCardinals*N/A
Nashville SoundsAthletics2018
New Orleans Baby CakesMarlins2020
Oklahoma City DodgersDodgers
*N/A
Omaha Storm ChasersRoyals2018
Reno AcesDiamondbacks2020
Round Rock ExpressRangers2018
Sacramento River CatsGiants2020
Salt Lake BeesAngels2020
Tacoma RainiersMariners2018
EASTERN LEAGUE
Minor League TeamAffiliationExpiration
Akron RubberDucksIndians2020
Altoona CurvePirates2022
Binghamton Rumble PoniesMets2020
Bowie BaysoxOrioles2018
Erie SeaWolvesTigers2020
Harrisburg SenatorsNationals2020
Hartford Yard Goats Rockies2020
New Hampshire Fisher CatsBlue Jays2020
Portland Sea DogsRed Sox2020
Reading Fightin PhilsPhillies*N/A
Richmond Flying Squirrels Giants2020
Trenton ThunderYankees2022
SOUTHERN LEAGUE
Minor League TeamAffiliationExpiration
Birmingham BaronsWhite Sox2020
Chattanooga Lookouts Twins
2018
Biloxi ShuckersBrewers2020
Jackson GeneralsDiamondbacks2020
Jacksonville Jumbo ShrimpMarlins2020
Mississippi BravesBraves*N/A
Mobile BayBearsAngels2018
Montgomery BiscuitsRays2020
Pensacola Blue WahoosReds2018
Tennessee SmokiesCubs2018
TEXAS LEAGUE
Minor League TeamAffiliationExpiration
Arkansas TravelersMariners2018
Corpus Christi HooksAstros*N/A
Frisco RoughRidersRangers2018
Midland RockHoundsAthletics2018
Northwest Arkansas NaturalsRoyals2020
San Antonio MissionsPadres2018
Springfield CardinalsCardinals*N/A
Tulsa DrillersDodgers2018
CALIFORNIA LEAGUE
Minor League TeamAffiliationExpiration
Inland Empire 66ersAngels2018
Lake Elsinore Storm Padres2018
Lancaster JetHawksRockies2018
Modesto NutsMariners*N/A
Rancho Cucamonga QuakesDodgers2018
San Jose GiantsGiants*N/A
Stockton PortsAthletics2020
Visalia RawhideDiamondbacks2018
CAROLINA LEAGUE
Minor League TeamAffiliationExpiration
Buies Creek AstrosAstros2018*
Carolina MudcatsBrewers
N/A*
Down East Wood DucksRangersN/A*
Frederick KeysOrioles2018
Lynchburg HillcatsIndians2018
Myrtle Beach PelicansCubs2020
Potomac NationalsNationals2018
Salem Red SoxRed Sox*N/A
Wilmington Blue RocksRoyals2018
Winston-Salem DashWhite Sox*N/A
FLORIDA STATE LEAGUE
Minor League TeamAffiliationExpiration
Bradenton MaraudersPirates*N/A
Charlotte Stone CrabsRays2018
Clearwater ThreshersPhillies*N/A
Daytona TortugasReds2018
Dunedin Blue JaysBlue Jays*N/A
Florida Fire FrogsBraves2020
Fort Myers MiracleTwins2018
Jupiter HammerheadsMarlins*N/A
Lakeland Flying TigersTigers*N/A
Palm Beach CardinalsCardinals*N/A
St. Lucie MetsMets*N/A
Tampa YankeesYankees*N/A
MIDWEST LEAGUE
Minor League TeamAffiliationExpiration
Beloit SnappersAthletics2018
Bowling Green Hot RodsRays2020
Burlington BeesAngels2018
Cedar Rapids KernelsTwins2020
Clinton LumberKingsMariners2020
Dayton DragonsRedsN/A*
Fort Wayne TincapsPadres2018
Great Lakes LoonsDodgers2018
Kane County CougarsDiamondbacks2018
Lake County CaptainsIndians2018
Lansing LugnutsBlue Jays2020
Peoria ChiefsCardinals2020
Quad Cities River BanditsAstros2018
South Bend CubsCubs2020
West Michigan WhitecapsTigers2020
Wisconsin Timber RattlersBrewers2020
SOUTH ATLANTIC LEAGUE
Minor League TeamAffiliationExpiration
Asheville TouristsRockies2020
Augusta GreenJacketsGiants2020
Charleston RiverdogsYankees2020
Delmarva ShorebirdsOrioles2018
Greensboro GrasshoppersMarlins2018
Greenville DriveRed Sox2020
Hagerstown SunsNationals2018
Hickory Crawdads Rangers*N/A
Kannapolis IntimidatorsWhite Sox2018
Lakewood BlueClawsPhillies2020
Lexington LegendsRoyals2018
Rome BravesBraves*N/A
Columbia FirefliesMets2020
West Virginia PowerPirates2018
NEW YORK-PENN LEAGUE
Minor League TeamAffiliationExpiration
Aberdeen IronBirdsOrioles2018
Auburn DoubledaysNationals2020
Batavia MuckdogsMarlins2018
Brooklyn CyclonesMets*N/A
Connecticut TigersTigers2020
Hudson Valley RenegadesRays2020
West Virginia Black BearsPirates2018
Lowell SpinnersRed Sox2020
Mahoning Valley ScrappersIndians2020
State College SpikesCardinals2018
^ Staten Island YankeesYankeesN/A
Tri-City ValleyCatsAstros2018
Vermont Lake MonstersAthletics2018
Williamsport CrossCuttersPhillies2020
^ required to affiliate with Yankees
NORTHWEST LEAGUE
Minor League TeamAffiliationExpiration
Boise HawksRockies2020
Eugene EmeraldsCubs2018
Everett AquaSoxMariners2020
Hillsboro Hops Diamondbacks2018
Salem-Keizer VolcanoesGiants2018
Spokane Indians Rangers2018
Tri-City Dust DevilsPadres2018
Vancouver CanadiansBlue Jays2022
APPALACHIAN LEAGUE
Minor League TeamAffiliationExpiration
Bluefield Blue JaysBlue Jays*N/A
Bristol PiratesPirates*N/A
Burlington RoyalsRoyals*N/A
Danville BravesBraves*N/A
Elizabethton TwinsTwins*N/A
Greeneville AstrosAstros Reds*N/A
Johnson City CardinalsCardinals*N/A
Kingsport MetsMets*N/A
Princeton RaysRays*N/A
Pulaski YankeesYankees*N/A
PIONEER LEAGUE
Minor League TeamAffiliationExpiration
Billings MustangsReds2018
Grand Junction RockiesRockiesN/A*
Great Falls VoyagersWhite Sox2018
Helena BrewersBrewers2018
Idaho Falls ChukarsRoyals2018
Missoula OspreyDiamondbacks2020
Ogden RaptorsDodgers2018
Orem Owlz Angels2018
Note: Teams with expiring player-development contracts are marked in bold
* Teams owned by their major league affiliate are designated with an asterisk