Austin Jackson drove in a pair of runs and Torii Hunter broke a 2-2 tie with a seventh-inning sacrifice fly off Yoervis Medina (4-6) as the Tigers lowered their magic number for taking the American League Central to six.
Al Aburquerque (3-3) was credited with the decision after starter Anibal Sanchez had allowed two runs on six hits over 6 1/3 innings, striking out 10.
Raul Ibanez smacked a solo homer for Seattle.
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