Jayson Werth left Tuesday night's 2-0 Nationals loss to the Diamondbacks with a mild groin strain, which he suffered chasing Ian Kennedy's single to right in the fifth inning. Werth remained in the game until the ninth, when Brian Bixler replaced him.

Werth called his removal "more precautionary, probably, than anything" and was not concerned about missing extended time. Manager Davey Johnson said he will check with Werth before the game to determine if he will play Wednesday night.

"It could just be like a muscle spasm. We'll see tomorrow. I don't think it should be a big deal. Whether Davey wants to play me tomorrow or not, I don't know. .?.?. I don't think it's anything to worry about."