Casey Janssen was called upon to get the final out of the contest. Hutchison struck out eight and walked one.
Jose Bautista went 3-for-4 with a two-run homer and three RBI for the Blue Jays, who snapped a four-game skid and moved within four games of Baltimore for first place in the AL East.
Baltimore starter Wei-Yin Chen (12-4) saw a five-start winning streak come to an end, losing for the first time since June 28. He gave up four runs on eight hits with six strikeouts over five innings.