The Rockies — owners of a 21-72 record and a mind-boggling minus-251 run differential — were blanked for six innings by right-hander Lucas Giolito.

Masataka Yoshida went 3 for 4 with a double and an RBI in his season debut after undergoing shoulder surgery in October, and the Boston Red Sox completed a three-game sweep with a 10-2 win over the Colorado Rockies.

The competition – and stakes – will ratchet up for the Red Sox with their four-game series against the Tampa Bay Rays starting on Thursday, but the Sox at least took care of their business over