Philadelphia Phillies catcher J.T. Realmuto ended his team's game against the Los Angeles Dodgers with a baffling baserunning mistake, turning what should have been a routine at-bat into the final, game-ending out. The blunder, which left Phillies manager Rob Thomson visibly stunned, came at a crucial moment and contributed directly to the team's defeat, drawing comparisons to the kind of error more commonly seen in youth baseball than the major leagues.

The mistake occurred in the bottom of the ninth inning of a 2-1 loss to the Dodgers at Citizens Bank Park on Tuesday, with the Phillies having runners on base and a chance to salvage the game. Realmuto was caught in a rundown between bases, and his miscue resulted in him being tagged out to end the contest, sealing the narrow one-run defeat for Philadelphia.