CHICAGO -- Martín Pérez fought his way back from a left elbow issue costing him four months of the season before returning on Aug. 13 at home against the Tigers.

But the injury bug appears to have caught up to the veteran left-hander once again Wednesday afternoon against the Orioles at Rate Field, as Pérez left in the top of the fourth inning with left shoulder soreness after throwing a pitch to Jackson Holliday where Jorge Mateo stole third.

Pérez held his hands up almost immediately to call time, signaled for manager Will Venable and head athletic trainer James Kruk to come from the dugout and left the game with them. Pérez had a 3.34 ERA with 24 strikeouts over 32 1/3 innings in his return from the injured list entering Wednesday. He previously has talked about returning to the W

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