May 22 6:30a
Plouffe was placed on the 7-day DL with a concussion, Rhett Bollinger of MLB.com reports.

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Impact
Plouffe was hit in the head with a knee during Tuesday's game and while he walked off the field under his own power, he was still woozy. He'll take the mandatory seven days to make sure he is properly healed.

(RotoWire)