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
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Buffalo Bisons | East | Buffalo | New York | Sahlen Field | 16,600 | Toronto Blue Jays |
| Charlotte Knights | East | Charlotte | North Carolina | Truist Field | 10,200 | Chicago White Sox |
| Columbus Clippers | West | Columbus | Ohio | Huntington Park | 10,100 | Cleveland Guardians |
| Durham Bulls | East | Durham | North Carolina | Durham Bulls Athletic Park | 10,000 | Tampa Bay Rays |
| Gwinnett Stripers | West | Lawrenceville | Georgia | Coolray Field | 10,427 | Atlanta Braves |
| Indianapolis Indians | West | Indianapolis | Indiana | Victory Field | 14,230 | Pittsburgh Pirates |
| Iowa Cubs | West | Des Moines | Iowa | Principal Park | 11,500 | Chicago Cubs |
| Jacksonville Jumbo Shrimp | East | Jacksonville | Florida | VyStar Ballpark | 11,000 | Miami Marlins |
| Lehigh Valley IronPigs | East | Allentown | Pennsylvania | Coca-Cola Park | 10,100 | Philadelphia Phillies |
| Louisville Bats | West | Louisville | Kentucky | Louisville Slugger Field | 13,131 | Cincinnati Reds |
| Memphis Redbirds | West | Memphis | Tennessee | AutoZone Park | 10,000 | St. Louis Cardinals |
| Nashville Sounds | West | Nashville | Tennessee | First Horizon Park | 10,000 | Milwaukee Brewers |
| Norfolk Tides | East | Norfolk | Virginia | Harbor Park | 11,856 | Baltimore Orioles |
| Omaha Storm Chasers | West | Papillion | Nebraska | Werner Park | 9,023 | Kansas City Royals |
| Rochester Red Wings | East | Rochester | New York | Innovative Field | 10,840 | Washington Nationals |
| Scranton/Wilkes-Barre RailRiders | East | Moosic | Pennsylvania | PNC Field | 10,000 | New York Yankees |
| St. Paul Saints | West | Saint Paul | Minnesota | CHS Field | 7,210 | Minnesota Twins |
| Syracuse Mets | East | Syracuse | New York | NBT Bank Stadium | 11,731 | New York Mets |
| Toledo Mud Hens | West | Toledo | Ohio | Fifth Third Field | 10,300 | Detroit Tigers |
| Worcester Red Sox | East | Worcester | Massachusetts | Polar Park | 9,508 | Boston Red Sox |
Pacific Coast League
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Albuquerque Isotopes | East | Albuquerque | New Mexico | Rio Grande Credit Union Field at Isotopes Park | 13,500 | Colorado Rockies |
| El Paso Chihuahuas | East | El Paso | Texas | Southwest University Park | 9,500 | San Diego Padres |
| Las Vegas Aviators | West | Las Vegas | Nevada | Las Vegas Ballpark | 10,000 | Athletics |
| Oklahoma City Comets | East | Oklahoma City | Oklahoma | Chickasaw Bricktown Ballpark | 9,000 | Los Angeles Dodgers |
| Reno Aces | West | Reno | Nevada | Greater Nevada Field | 9,013 | Arizona Diamondbacks |
| Round Rock Express | East | Round Rock | Texas | Dell Diamond | 11,631 | Texas Rangers |
| Sacramento River Cats | West | West Sacramento | California | Sutter Health Park | 14,014 | San Francisco Giants |
| Salt Lake Bees | West | South Jordan | Utah | Ballpark at America First Square | 8,500 | Los Angeles Angels |
| Sugar Land Space Cowboys | East | Sugar Land | Texas | Constellation Field | 7,500 | Houston Astros |
| Tacoma Rainiers | West | Tacoma | Washington | Cheney Stadium | 6,500 | Seattle 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
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Akron RubberDucks | Southwest | Akron | Ohio | 7 17 Credit Union Park | 9,097 | Cleveland Guardians |
| Altoona Curve | Southwest | Altoona | Pennsylvania | Peoples Natural Gas Field | 7,210 | Pittsburgh Pirates |
| Binghamton Rumble Ponies | Northeast | Binghamton | New York | Mirabito Stadium | 6,012 | New York Mets |
| Chesapeake Baysox | Southwest | Bowie | Maryland | Prince George's Stadium | 10,000 | Baltimore Orioles |
| Erie SeaWolves | Southwest | Erie | Pennsylvania | UPMC Park | 6,952 | Detroit Tigers |
| Harrisburg Senators | Southwest | Harrisburg | Pennsylvania | FNB Field | 6,187 | Washington Nationals |
| Hartford Yard Goats | Northeast | Hartford | Connecticut | Dunkin' Park | 6,000 | Colorado Rockies |
| New Hampshire Fisher Cats | Northeast | Manchester | New Hampshire | Delta Dental Stadium | 6,500 | Toronto Blue Jays |
| Portland Sea Dogs | Northeast | Portland | Maine | Hadlock Field | 7,368 | Boston Red Sox |
| Reading Fightin Phils | Northeast | Reading | Pennsylvania | FirstEnergy Stadium | 9,000 | Philadelphia Phillies |
| Richmond Flying Squirrels | Southwest | Richmond | Virginia | CarMax Park | 10,000 | San Francisco Giants |
| Somerset Patriots | Northeast | Bridgewater | New Jersey | TD Bank Ballpark | 6,100 | New York Yankees |
Southern League
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Biloxi Shuckers | South | Biloxi | Mississippi | Keesler Federal Park | 6,000 | Milwaukee Brewers |
| Birmingham Barons | North | Birmingham | Alabama | Regions Field | 8,500 | Chicago White Sox |
| Chattanooga Lookouts | North | Chattanooga | Tennessee | Erlanger Park | 8,032 | Cincinnati Reds |
| Columbus Clingstones | South | Columbus | Georgia | Synovus Park | 5,500 | Atlanta Braves |
| Knoxville Smokies | North | Knoxville | Tennessee | Covenant Health Park | 6,355 | Chicago Cubs |
| Montgomery Biscuits | South | Montgomery | Alabama | Montgomery Riverwalk Stadium | 7,000 | Tampa Bay Rays |
| Pensacola Blue Wahoos | South | Pensacola | Florida | Blue Wahoos Stadium | 5,038 | Miami Marlins |
| Rocket City Trash Pandas | North | Madison | Alabama | Toyota Field | 7,000 | Los Angeles Angels |
Texas League
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Amarillo Sod Poodles | South | Amarillo | Texas | Hodgetown | 6,631 | Arizona Diamondbacks |
| Arkansas Travelers | North | North Little Rock | Arkansas | Dickey–Stephens Park | 5,800 | Seattle Mariners |
| Corpus Christi Hooks | South | Corpus Christi | Texas | Whataburger Field | 7,679 | Houston Astros |
| Frisco RoughRiders | South | Frisco | Texas | Riders Field | 10,316 | Texas Rangers |
| Midland RockHounds | South | Midland | Texas | Momentum Bank Ballpark | 6,669 | Athletics |
| Northwest Arkansas Naturals | North | Springdale | Arkansas | Arvest Ballpark | 7,305 | Kansas City Royals |
| San Antonio Missions | South | San Antonio | Texas | Nelson W. Wolff Municipal Stadium | 9,200 | San Diego Padres |
| Springfield Cardinals | North | Springfield | Missouri | Hammons Field | 10,486 | St. Louis Cardinals |
| Tulsa Drillers | North | Tulsa | Oklahoma | ONEOK Field | 7,833 | Los Angeles Dodgers |
| Wichita Wind Surge | North | Wichita | Kansas | Equity Bank Park | 10,000 | Minnesota Twins |