An uneasy feeling of anxiety or dread, or maybe both, settled over Citi Field on Wednesday night.

Max Scherzer took himself out of his start in the middle of an at-bat against Albert Pujols in the sixth inning of the Mets’ game against the Cardinals.

Scherzer threw two sliders to Pujols, the latter causing him to pull the plug on his 87-pitch outing.

Scherzer motioned to the Mets dugout, and he appeared to repeatedly say, “I’m done. I’m done.”

Manager Buck Showalter, pitching coach Jeremy Hefner and an athletic trainer all approached the mound.

The meeting was quick. Scherzer departed with the trainer out of his start and into the clubhouse with an apparent injury.

The veteran right-hander allowed two runs, one earned, on seven hits with no walks and four strikeouts across 5.2 innings against the Cardinals in his eighth start of the year.

This is a developing story. Check back for updates.

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