Steelers place star LB T.J. Watt in concussion protocol

(Photo credit: Charles LeClaire-USA TODAY Sports)
All-Pro linebacker T.J. Watt is in the concussion protocol, two days after his Pittsburgh Steelers lost 21-18 to the New England Patriots.

Watt was cleared to return to the game Thursday after he was injured on the first play, when he took a helmet to the chin. Later in the first quarter, a dark visor was attached to his helmet.

He made five tackles and had no sacks.

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