New York Mets pitcher Taijuan Walker left his start Monday night against Philadelphia after two innings because of right shoulder irritation.

Walker struck out four, walked none and threw 30 pitches, retiring all six batters before he left the game. David Peterson started the third inning.

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New York Mets starting pitcher Taijuan Walker throws during the first inning of a baseball game against the Philadelphia Phillies, Monday, April 11, 2022, in Philadelphia. 

New York Mets starting pitcher Taijuan Walker throws during the first inning of a baseball game against the Philadelphia Phillies, Monday, April 11, 2022, in Philadelphia.  (AP Photo/Laurence Kesterson)

Walker went 7-11 with a 4.47 ERA last season, his first with the Mets.