2021 Minor League Affiliation Chart

NOTE: MLB invited 119 teams to join the minors on Wednesday, Dec. 9. Once those decision are finalized, they will be added to the list below. 

As more and more of MiLB affiliation plans are announced or leaked, we’ll try to keep everyone updated with an up-to-date listing of who is going where. This page will continue to be updated as new team pairings are announced.

Dec. 1:  La Velle E. Neal III of the Minneapolis Star Tribute reports the St. Paul Saints will be the Twins’ new Triple-A affiliate and the Double-A affiliate will switch from Pensacola, Fla., to Wichita.  The Twins high Class A affiliate will be Cedar Rapids and the low Class A affiliate will be Fort Myers. Both were already Twins affiliates, but they swap levels with the change of levels for the Florida State and Midwest Leagues.

Nov. 20: The Mariners posted to a job site openings for minor league coaching positions for five sites: Peoria, Ariz. (their spring training complex/Arizona League home), Everett, Modesto, Arkansas and Tacoma. While the Mariners have not officially confirmed where their MiLB teams will be in 2021, the open applications requiring coaches to relocate to the summer to these cities effectively serves as confirmation of where their four affiliates will be located.

Nov. 19: Senator Chuck Schumer announced in a Tweet that Rochester will be the Nationals’ Triple-A affiliate.

Nov. 18: The Sugar Land Skeeters officially notified the Atlantic League that they will be departing to become the Astros’ Triple-A affiliate. The announcement confirms multiple Houston-area reports from Nov. 16.

Nov. 10: The Mets’ Sandy Alderson stated in a press conference that the Mets would be in Syracuse (AAA), Binghamton (AA), Brooklyn (HiA) and St. Lucie (LoA) in 2021.

Nov. 6: Baseball America reported that the Yankees would be in Scranton Wilkes-Barre (AAA), Somerset (AA), Hudson Valley (HiA) and Tampa (LoA) for 2021. The Yankees made the news official the next day in a press release.

MLB ORG Triple-A Double-A High-A
Arizona Diamondbacks        
Atlanta Braves        
Baltimore Orioles        
Boston Red Sox        
Chicago White Sox        
Chicago Cubs        
Cincinnati Reds        
Cleveland Indians        
Colorado Rockies        
Detroit Tigers        
Houston Astros Sugar Land      
Kansas City Royals        
Los Angeles Angels        
Los Angeles Dodgers        
Miami Marlins        
Milwaukee Brewers        
Minnesota Twins St. Paul Wichita Cedar Rapids Fort Myers
New York Yankees Scranton/W-B Somerset Hudson Valley Tampa
New York Mets Syracuse Binghamton Brooklyn St. Lucie
Oakland Athletics        
Philadelphia Phillies        
Pittsburgh Pirates        
San Diego Padres        
San Francisco Giants        
Seattle Mariners Tacoma Arkansas Everett Modesto
St. Louis Cardinals        
Tampa Bay Rays        
Texas Rangers        
Toronto Blue Jays        
Washington Nationals Rochester      

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