The Tigers had been blanked over 7 2/3 innings by Chicago's Chris Sale and were trailing 6-0 entering the last at-bat, but erupted for six runs to mount an improbable comeback.
In the 12th, Don Kelly coaxed a leadoff walk from Jake Petricka (1-1) and went to second on an out. Martinez was intentionally walked, Dirks drew an unintentional pass and Infante then scorched a grounder off Petricka's glove for the deciding RBI.
Al Alburquerque (4-3) notched the win for the Tigers, who reduced their magic number for clinching the American League Central to two.
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