Christian Arroyo’s homer in the seventh moves Boston within one game of first place.

Alex Verdugo hits a tie-breaking, three-run homer off Chris Martin in the eighth inning for Boston, which is 36-4 when scoring at least four runs.

Toronto ties it with two outs in the ninth inning on a homer by Vladimir Guerrero Jr., but Rafael Devers knocks in the winning run with a hit off the Green Monster.

Boston starters have been struggling lately, and as long as that continues they’ll face questions about illegal substances.

Boston’s run of shaky pitching continues, as Toronto hits eight home runs in an 18-4 win.

Alex Verdugo’s RBI single off the Green Monster in ninth ends it as Boston overcomes a 5-1 deficit.

Boston’s Nick Pivetta allows a season-high six runs and a career-worst four homers – including three in the fifth inning.

Bobby Dalbec’s two-run double caps a five-run sixth inning, and Boston gets home runs from J.D. Martinez and Christian Arroyo as it avoids a series sweep.

Jose Altuve and Alex Bregman hit homers for Boston, which is 1-5 against Houston this season.

The Red Sox are a season-high 14 games over .500 at 37-23.