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Blue Jays Vladimir Guerrero Jr. to undergo further testing following early exit from Monday’s game

It is certainly something that the Toronto Blue Jays don’t want to see, especially during the heated stretch to the playoffs. But on Monday night, star first baseman Vladimir Guerrero Jr. left the game in the fifth inning in what turned out to be left hamstring tightness.

#MLBCentral reacts to Vlad Guerrero Jr. leaving yesterday's game with hamstring tightness. pic.twitter.com/IjS8wWnXzD

— MLB Network (@MLBNetwork) August 19, 2025

Earlier in the contest, Guerrero was shown to be grabbing his left leg at first base signalling perhaps something wasn’t right.