| 2009 American League Division Series | |||||||||||||
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| Teams | |||||||||||||
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| Dates | October 7–11, 2009 | ||||||||||||
| Television | TBS | ||||||||||||
| TV announcers | Chip Caray, Ron Darling and Craig Sager | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Jon Miller, Steve Phillips | ||||||||||||
| Umpires | Tim Tschida Chuck Meriwether Mark Wegner Paul Emmel Jim Joyce Phil Cuzzi | ||||||||||||
| Teams | |||||||||||||
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| Dates | October 8–11 | ||||||||||||
| Television | TBS | ||||||||||||
| TV announcers | Don Orsillo, Buck Martinez | ||||||||||||
| Radio | ESPN | ||||||||||||
| Radio announcers | Dan Shulman, Dave Campbell | ||||||||||||
| Umpires | Joe West C.B. Bucknor Eric Cooper Greg Gibson Brian Gorman Dan Iassogna | ||||||||||||
The 2009 American League Division Series (ALDS) consisted of two concurrent best-of-five game series that determined the participating teams in the 2009 American League Championship Series. Three divisional winners and a "wild card" team played in the two series. The ALDS began on Wednesday, October 7, 2009, and ended on Sunday, October 11, 2009. The matchups were:
- (1) New York Yankees (East division champions, 103–59) vs. (3) Minnesota Twins (Central division champions, 87–76): Yankees win series, 3–0.
- (2) Los Angeles Angels of Anaheim (West division champions, 97–65) vs. (4) Boston Red Sox (Wild Card qualifier, 95–67): Angels win series, 3–0.
The Twins and Detroit Tigers finished the 162-game schedule in a first-place tie atop the American League Central and played a one-game playoff at the Metrodome on Tuesday, October 6, 2009, that was won by the Twins, 6–5, in 12 innings, giving them the division championship and a postseason berth.
The Yankees, by virtue of finishing with the best record in the American League, were given the choice of playing an eight-day series (with three off-days) or a seven-day series (with two off-days) and opted for the former.
This is the third consecutive season—and the fourth since 2004—that the Angels and Red Sox have met in the ALDS. The Red Sox swept the Angels in 2004 and 2007, and defeated the Angels 3–1 in 2008. The Twins and Yankees last met in the postseason in the 2004 ALDS, which the Yankees won 3–1.
The Angels and Yankees each swept their respective series in three games. Since the advent of division series play in 1995, this was the first time that the winners of both divisional series swept their opponents (Royals and Orioles swept both of their ALDS series in 2014, defeating the Angels and Tigers respectively). The Yankees went on to defeat the Angels 4–2 in the ALCS, and defeated the Philadelphia Phillies 4–2 to win the 2009 World Series.
Game 3 of the Twins–Yankees series was the final Major League Baseball game at the Metrodome, as the Twins moved into their new home stadium, Target Field, starting with the 2010 season.
TBS carried the tie breaker game and also televised all Division Series games in the United States.