Kammala wannan jumla: 2009 American League Division Series (ALDS) ya ƙunshi wasanni biyu mafi kyau na wasanni biyar da suka ƙayyade ƙungiyoyi masu halartar a gasar zakarun Turai.
Gasar Zakarun Amurka ta 2009. Gwanayen rukuni uku da ƙungiyar "wild card" sun taka leda a cikin jerin biyu. ALDS ya fara ne a ranar Laraba, 7 ga Oktoba kuma ya ƙare a ranar Lahadi, 11 ga Oktoba. Wasannin sun kasance: