Melky Cabrera ended up 4-for-5 with a solo homer, two runs batted in and three scored for the Jays, winners in six of their last eight. Erik Kratz also went deep for the victorious visitors.
Jonny Gomes finished 3-for-4 with a two-run homer for the Red Sox, who have lost four in a row on their current homestand and six of their last seven overall. Dustin Pedroia and Jackie Bradley drove in a run each in defeat.
Felix Doubront (2-4) was tagged in the setback for five hits and as many runs while not surviving the fifth inning.