BOSTON, July 21 (UPI) -- J.P. Arencibia smacked a go-ahead homer in the seventh inning Saturday and Brett Lawrie drove in three runs to pace Toronto's 7-3 victory over Boston.
Edwin Encarnacion's two-run blast in the sixth had tied the score 3-3 and Arencibia continued the comeback in the next frame, bashing a pitch over Fenway Park's "Green Monster" left-field wall.
Lawrie added a two-run single later in the seventh and the Blue Jays went on to clinch their three-game series.
Carlos Villanueva (5-0) earned the victory, holding Boston to three runs on four hits over 6 1/3 innings, walking two and striking out five.
Red Sox starter Aaron Cook (2-3) was tagged for five runs (three earned) on four hits in a 6 1/3-inning effort.
Jarrod Saltalamacchia cracked a three-run homer to provide Boston's offense.