After Pestano struck out Jacoby Ellsbury for the second out, Carp batted for Jonny Gomes and lifted a first-pitch fastball to left for a double that easily scored Ciriaco.
Trailing 4-3 entering the bottom of the eighth, Boston scored four times off reliever Vinnie Pestano (1-1) to open the largest lead in a game that featured plenty of chances at the plate but little success for either club.