Chris Sale cruised through six innings of scoreless ball as the Red Sox clobbered the Tigers 9-1 in Detroit.
Sale struck out nine and allowed just two hits to pick up his 11th win.
Jackie Bradley Jr. hit a three-run homer for Boston while Eduardo Nunez and Andrew Benintendi had two RBI apiece.
The Red Sox improved their big-league best record to 70-and-31.
Tigers starter Blaine Hardy surrendered four runs in three-plus innings to take the loss.
Jeimer Candelario broke up the shutout with a solo shot in the seventh as Detroit fell to 42-and-59.
The Tigers head to Kansas City to open a series with the Royals tonight. Francisco Liriano will take the ball for Detroit.
Kansas City will counter with Heath Fillmyer.
The Tigers are 42-and-59, 13-and-a-half games behind first place Cleveland in the AL Central.