TORONTO — Clay Buchholz pitched seven shutout innings to earn his major league-leading sixth win, Mike Napoli hit two of Boston's five home runs and the Red Sox routed the Blue Jays 10-1 on Wednesday night. Stephen Drew hit a two-run shot in the second inning and Napoli went back-to-back with Daniel Nava in the fourth as the Red Sox won their majors-best 19th game and improved to a majors-best 8-3 on the road.Napoli hit a solo shot into the second deck in center in the fourth and followed with a three-run shot into the third deck in the seventh. Napoli, who also doubled in the ninth, leads the majors with 21 extra-base hits. Buchholz improved to 7-0 in his past eight starts at Toronto. The right-hander improved his ERA to an AL-best 1.01. Only Cardinals right-hander Jake Westbrook (0.98) is better. Buchholz's 6-0 start is the best by a Red Sox pitcher since Josh Beckett opened 7-0 in his first seven starts of 2007.