Detroit, MI (Sports Network) - Jhonny Peralta's two-run blast in the bottom of the ninth inning lifted Detroit over Boston, 4-3, in the opener of a four-game series.
Andrew Bailey (3-1) entered with a 3-2 lead, but issued a leadoff walk to Victor Martinez and, after Don Kelly was inserted as a pinch runner, Peralta launched a ball just over the wall in left to end the game.
Drew Smyly (3-0) tossed two scoreless frames of relief, fanning four and allowing just one hit.
Torii Hunter contributed a two-run hit for the Tigers, who snapped a two-game slide.
David Ortiz homered and knocked in two runs for the Red Sox, who have dropped two in a row.