Title: 2012 American League Division Series
Content: (1) New York Yankees (East Division champions, 95–67) vs. (4) Baltimore Orioles (Wild Card Game winner, 93–69): Yankees win series, 3–2. ; (2) Oakland Athletics (West Division champions, 94–68) vs. (3) Detroit Tigers (Central Division champions, 88–74): Tigers win series, 3–2. The 2012 American League Division Series were two best-of-five-game series to determine the participating teams in the 2012 American League Championship Series. The three divisional winners and a fourth team—the winner of a one-game Wild Card playoff— played in two series. TBS carried most of the games, with some on MLB Network or TNT. The series used the 2–3 format for 
Title: October 2012 in sports
Content: Major League Baseball final day of the regular season: ; In Oakland, California: Oakland Athletics 12, Texas Rangers 5. ; The Athletics clinch the American League West title for the first time since 2006 and fifteenth time overall, and advance to the Division Series. ; In St. Petersburg, Florida: Tampa Bay Rays 4, Baltimore Orioles 1. ; With the Orioles' loss, the New York Yankees clinch the American League East title for the second consecutive year and eighteenth time overall, and advance to the Division Series. ; As a result of these games, both the Rangers and the Orioles get American League Wild Card spots, and have to contend with each other in the one–game playoff.  <div Id="2_October_2012">
Title: 2012 American League Division Series
Content:  2012 ALDS (3–2): Detroit Tigers over Oakland Athletics
Title: 2012 American League Championship Series
Content:  2012 ALCS (4–0): Detroit Tigers over New York Yankees
Title: 2012 American League Division Series
Content:  2012 ALDS (3–2): New York Yankees over Baltimore Orioles
Title: 2012 in Michigan
Content: 2012 Detroit Tigers season – Under manager Jim Leyland, the Tigers compiled an 88-74 record, finished first in the American League Central, defeated Oakland in the divisional series and the Yankees in the American League Championship Series, and lost to the San Francisco Giants in the 2012 World Series. The team's statistical leaders included Miguel Cabrera with a .330 batting average, 44 home runs, and 139 RBIs, Justin Verlander with 17 wins, and Brayan Villarreal with a 2.63 earned run average ; 2012 Michigan Wolverines baseball team - ; 2012 Michigan Wolverines softball team - 
Title: 2012 American League Wild Card Game
Content:  The 2012 American League Wild Card Game was a play-in game during Major League Baseball's (MLB) 2012 postseason played between the American League's (AL) two wild-card teams, the Texas Rangers and the Baltimore Orioles. It was held at Rangers Ballpark in Arlington, Texas, on October 5, 2012, at 8:37 p.m. EDT. The Orioles won by a 5–1 score and advanced to play the New York Yankees in the AL Division Series. The game was televised on TBS.
Title: 2012 in baseball
Content:  Wild Card berths. ; The Baltimore Orioles lose to the Tampa Bay Rays 4–1 at Tropicana Field. As a result, the New York Yankees win the AL East division title.  The result also ensures that the Orioles qualify as the second AL Wild Card, with the Texas Rangers clinching the first Wild Card berth. Evan Longoria hits three home runs in the Rays' victory; he becomes the third player to hit three home runs on the final day of a regular season, joining Gus Zernial in  and Dick Allen in. ; Miguel Cabrera of the Detroit Tigers finishes the season winning the American League Triple Crown, 
Title: 2012 Oakland Athletics season
Content:  The Oakland Athletics' 2012 season was the organization's 45th in Oakland, California and the 112th in club history. The team finished with a final record of 94–68, claiming first place in the American League West and reaching the postseason for the first time since 2006. After winning their last game of the season, they took sole possession of the West for the first time all year, overtaking the Texas Rangers. The A's had trailed Texas by 13 games on June 30, and had a five-game deficit with nine days left in the season. The 2012 team, which led the league with 15 walk-off wins, managed this with the second-lowest payroll in baseball, at $59.5 million. They lost in five games to the Detroit Tigers in the Divisional Series.
Title: 2012 New York Yankees season
Content:  The 2012 New York Yankees season was the 112th season for the New York Yankees franchise. The Yankees began the season in St. Petersburg, Florida against the Tampa Bay Rays on April 6. They finished the season 95-67, 1st place in the AL East. They began their post-season run by beating the Baltimore Orioles in five games in the Division Series. They advanced to play the Detroit Tigers in the American League Championship Series, but were swept in four games by the Tigers following a season-ending injury to shortstop and team captain Derek Jeter.

Question: who won the american league east in 2012?
Answer: New York Yankees.