Houck dominated for seven innings, only to see the bullpen blow another lead. Meanwhile, Buehler underwent testing on a sore shoulder.

Carlos Narváez (pop-out to first) and Jarren Duran (strikeout on a foul tip) failed to get the run in from third. But Rafael Devers drew a six-pitch, two-out walk and Alex Bregman ripped a bases-loaded two-run double to put Boston ahead 2-0.

Houck allowed one run in seven innings. Slaten came on for the eighth and the Blue Jays seized the lead on Vladimir Guerrero Jr.'s three-run homer.