Toronto Blue Jays reliever Rafael Dolis left Friday’s game against the Houston Astros with right calf tightness.
The right-hander will undergo an MRI on Saturday before the Blue Jays determine a course of action.
Dolis was 10 pitches into a non-save situation during the eighth inning when he left the game. He gave up a single and a walk before exiting the game with a Blue Jays trainer.
So far this season, Dolis has a 1-0 record with a 2.84 ERA and 0.87 WHIP.
Ryan Borucki took over for Dolis and gave up three runs in the eighth.
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