Back American League Division Series 2021 German 2021年のアメリカンリーグディビジョンシリーズ Japanese 2021年美國聯盟分區賽 Chinese
| 2021 American League Division Series | |||||||||||||
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| Dates | October 7–11 | ||||||||||||
| Television | FS1 MLB Network (Game 3) | ||||||||||||
| TV announcers | Joe Davis, John Smoltz and Ken Rosenthal (FS1) Matt Vasgersian, John Smoltz and Ken Rosenthal (MLBN) | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Dan Shulman and Xavier Scruggs | ||||||||||||
| Umpires | Dan Bellino, Greg Gibson, Sam Holbrook (crew chief), Brian Knight, Ron Kulpa, D.J. Reyburn | ||||||||||||
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| Dates | October 7–12 | ||||||||||||
| Television | FS1 MLB Network (Game 2) | ||||||||||||
| TV announcers | Adam Amin, A. J. Pierzynski, Adam Wainwright (Games 3 and 4), and Tom Verducci (FS1) Bob Costas, Jim Kaat, Buck Showalter and Tom Verducci (MLBN) | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Kevin Brown and Chris Burke | ||||||||||||
| Umpires | Lance Barrett, Vic Carapazza, Chris Conroy, Chad Fairchild, Tom Hallion (crew chief), Adam Hamari | ||||||||||||
| ALWC | Boston Red Sox defeated New York Yankees, 6–2 | ||||||||||||
The 2021 American League Division Series were the two best-of-five-games series in Major League Baseball (MLB) that determined the participating teams of the 2021 American League Championship Series. The three divisional winners, seeded first through third, and a fourth team—determined by the AL Wild Card Game—played in two series. These matchups were:
- (1) Tampa Bay Rays (AL East champions) vs. (4) Boston Red Sox (Wild Card Game winner): Red Sox win series 3–1.
- (2) Houston Astros (AL West champions) vs. (3) Chicago White Sox (AL Central champions): Astros win series 3–1.
The team with the better regular season record (higher seed) of each series hosted Games 1, 2, and (if necessary) 5, while the lower seeded team hosted Game 3 and (if necessary) 4.[1][2] Following the series, the Red Sox and Astros met in the 2021 American League Championship Series, with the Astros winning the series, 4 games to 2. The Astros would go on to lose the 2021 World Series to the National League champion Atlanta Braves, 4 games to 2.
- ^ "Complete 2021 MLB postseason schedule". MLB. August 25, 2021. Retrieved September 27, 2021.
- ^ "MLB Postseason". MLB.com. Retrieved September 27, 2021.