INTERNATIONAL LEAGUE
Minor League Team Affiliation Expiration
Buffalo Bisons  Blue Jays 2020
Charlotte Knights  White Sox 2020
Columbus Clippers  Indians 2020
Durham Bulls  Rays 2020
Gwinnett Braves  Braves *N/A
Indianapolis Indians  Pirates 2020
Lehigh Valley IronPigs  Phillies 2020
Louisville Bats  Reds 2020
Norfolk Tides  Orioles 2020
Pawtucket Red Sox  Red Sox 2020
Rochester Red Wings  Twins 2020
Scranton/W-B RailRiders  Yankees 2018
Syracuse Chiefs  Nationals Mets N/A
Toledo Mud Hens  Tigers 2020
PACIFIC COAST LEAGUE
Minor League Team Affiliation Expiration
Albuquerque Isotopes  Rockies 2020
San Antonio Missions  Brewers
2020
El Paso Chihuahuas  Padres 2020
Fresno Grizzlies  Astros Nationals 2020
Iowa Cubs  Cubs 2020
Las Vegas 51s  Mets Athletics 2020
Memphis Redbirds  Cardinals *N/A
Nashville Sounds Athletics Rangers 2022
New Orleans Baby Cakes Marlins 2020
Oklahoma City Dodgers Dodgers
2020
Omaha Storm Chasers Royals 2020
Reno Aces Diamondbacks 2020
Round Rock Express  Rangers  Astros 2022
Sacramento River Cats Giants 2020
Salt Lake Bees  Angels 2022
Tacoma Rainiers  Mariners 2022
EASTERN LEAGUE
Minor League Team Affiliation Expiration
Akron RubberDucks  Indians 2020
Altoona Curve  Pirates 2022
Binghamton Rumble Ponies  Mets 2020
Bowie Baysox  Orioles 2020
Erie SeaWolves  Tigers 2020
Harrisburg Senators Nationals 2020
Hartford Yard Goats  Rockies 2020
New Hampshire Fisher Cats  Blue Jays 2020
Portland Sea Dogs  Red Sox 2020
Reading Fightin Phils  Phillies *N/A
Richmond Flying Squirrels  Giants 2020
Trenton Thunder  Yankees 2022
SOUTHERN LEAGUE
Minor League Team Affiliation Expiration
Birmingham Barons  White Sox 2020
Chattanooga Lookouts  Twins Reds
2020
Biloxi Shuckers  Brewers 2020
Jackson Generals  Diamondbacks 2020
Jacksonville Jumbo Shrimp  Marlins 2020
Mississippi Braves  Braves *N/A
Mobile BayBears  Angels 2022
Montgomery Biscuits  Rays 2020
Pensacola Blue Wahoos  Reds Twins 2018
Tennessee Smokies  Cubs 2018
TEXAS LEAGUE
Minor League Team Affiliation Expiration
Arkansas Travelers Mariners 2020
Corpus Christi Hooks  Astros *N/A
Frisco RoughRiders  Rangers 2020
Midland RockHounds  Athletics 2018
Northwest Arkansas Naturals  Royals 2020
Amarillo Baseball Club  Padres 2020
Springfield Cardinals  Cardinals *N/A
Tulsa Drillers  Dodgers 2020
CALIFORNIA LEAGUE
Minor League Team Affiliation Expiration
Inland Empire 66ers  Angels 2022
Lake Elsinore Storm  Padres 2020
Lancaster JetHawks  Rockies 2020
Modesto Nuts  Mariners *N/A
Rancho Cucamonga Quakes  Dodgers 2020
San Jose Giants  Giants *N/A
Stockton Ports  Athletics 2020
Visalia Rawhide  Diamondbacks 2020
CAROLINA LEAGUE
Minor League Team Affiliation Expiration
Buies Creek Astros  Astros 2018*
Carolina Mudcats  Brewers
N/A*
Down East Wood Ducks  Rangers N/A*
Frederick Keys  Orioles 2020
Lynchburg Hillcats  Indians 2020
Myrtle Beach Pelicans  Cubs 2020
Potomac Nationals  Nationals 2020
Salem Red Sox  Red Sox *N/A
Wilmington Blue Rocks  Royals 2020
Winston-Salem Dash  White Sox *N/A
FLORIDA STATE LEAGUE
Minor League Team Affiliation Expiration
Bradenton Marauders  Pirates *N/A
Charlotte Stone Crabs  Rays 2018
Clearwater Threshers  Phillies *N/A
Daytona Tortugas  Reds 2020
Dunedin Blue Jays  Blue Jays *N/A
Florida Fire Frogs  Braves 2020
Fort Myers Miracle  Twins 2022
Jupiter Hammerheads  Marlins *N/A
Lakeland Flying Tigers  Tigers *N/A
Palm Beach Cardinals  Cardinals *N/A
St. Lucie Mets  Mets *N/A
Tampa Yankees  Yankees *N/A
MIDWEST LEAGUE
Minor League Team Affiliation Expiration
Beloit Snappers  Athletics 2018
Bowling Green Hot Rods  Rays 2020
Burlington Bees  Angels 2020
Cedar Rapids Kernels  Twins 2020
Clinton LumberKings  Mariners Marlins 2020
Dayton Dragons  Reds N/A*
Fort Wayne Tincaps  Padres 2020
Great Lakes Loons  Dodgers 2020
Kane County Cougars  Diamondbacks 2018
Lake County Captains  Indians 2020
Lansing Lugnuts  Blue Jays 2020
Peoria Chiefs  Cardinals 2020
Quad Cities River Bandits  Astros 2020
South Bend Cubs  Cubs 2020
West Michigan Whitecaps Tigers 2022
Wisconsin Timber Rattlers Brewers 2022
SOUTH ATLANTIC LEAGUE
Minor League Team Affiliation Expiration
Asheville Tourists  Rockies 2020
Augusta GreenJackets  Giants 2020
Charleston Riverdogs  Yankees 2020
Delmarva Shorebirds  Orioles 2020
Greensboro Grasshoppers  Marlins Pirates 2020
Greenville Drive  Red Sox 2020
Hagerstown Suns  Nationals 2020
Hickory Crawdads  Rangers *N/A
Kannapolis Intimidators  White Sox 2018
Lakewood BlueClaws  Phillies 2020
Lexington Legends  Royals 2018
Rome Braves  Braves *N/A
Columbia Fireflies  Mets 2020
West Virginia Power  Pirates Mariners 2020
NEW YORK-PENN LEAGUE
Minor League Team Affiliation Expiration
Aberdeen IronBirds  Orioles 2020
Auburn Doubledays  Nationals 2020
Batavia Muckdogs  Marlins 2020
Brooklyn Cyclones  Mets *N/A
Connecticut Tigers  Tigers 2020
Hudson Valley Renegades  Rays 2020
West Virginia Black Bears  Pirates 2020
Lowell Spinners  Red Sox 2020
Mahoning Valley Scrappers  Indians 2020
State College Spikes  Cardinals 2020
^ Staten Island Yankees  Yankees N/A
Tri-City ValleyCats  Astros 2020
Vermont Lake Monsters  Athletics 2020
Williamsport CrossCutters  Phillies 2020
^ required to affiliate with Yankees    
NORTHWEST LEAGUE
Minor League Team Affiliation Expiration
Boise Hawks Rockies 2020
Eugene Emeralds Cubs 2022
Everett AquaSox  Mariners 2022
Hillsboro Hops  Diamondbacks 2020
Salem-Keizer Volcanoes  Giants 2018
Spokane Indians  Rangers 2018
Tri-City Dust Devils  Padres 2020
Vancouver Canadians  Blue Jays 2022
APPALACHIAN LEAGUE
Minor League Team Affiliation Expiration
Bluefield Blue Jays  Blue Jays *N/A
Bristol Pirates  Pirates *N/A
Burlington Royals  Royals *N/A
Danville Braves  Braves *N/A
Elizabethton Twins  Twins *N/A
Greeneville Reds  Reds *N/A
Johnson City Cardinals  Cardinals *N/A
Kingsport Mets  Mets *N/A
Princeton Rays  Rays *N/A
Pulaski Yankees  Yankees *N/A
PIONEER LEAGUE
Minor League Team Affiliation Expiration
Billings Mustangs  Reds 2020
Grand Junction Rockies  Rockies N/A*
Great Falls Voyagers  White Sox 2018
Colorado Springs SkySox  Brewers 2020
Idaho Falls Chukars  Royals 2018
Missoula Osprey  Diamondbacks 2020
Ogden Raptors  Dodgers 2018
Orem Owlz  Angels 2020
 
* Teams owned by their major league affiliate are designated with an asterisk