Chargers QB Philip Rivers being evaluated by medical staff on sideline (Photo)

Dec 8, 2013; San Diego, CA, USA; San Diego Chargers quarterback Philip Rivers (17) before the Chargers game against the New York Giants at Qualcomm Stadium. Mandatory Credit: Robert Hanashiro-USA TODAY Sports /

San Diego Chargers quarterback Philip Rivers is being evaluated by medical staff on the sideline. They seem to be examining his head and neck area. Chargers backup quarterback Charlie Whitehurst is also warming up on the sideline, which isn’t a good sign.

pic.twitter.com/MPlGtanOQX
— BuzzFeed Sports (@BuzzFeedSports) December 8, 2013

Philip Rivers, who is having another excellent game, being evaluated by medical staff on the sidelines
— Jason La Canfora (@JasonLaCanfora) December 8, 2013

Philip Rivers having his head/neck area looked at on Chargers sideline. Sitting on bench.
— Michael Gehlken (@GehlkenNFL) December 8, 2013

Chargers QB Philip Rivers now standing on sideline. No helmet. Speaking with head athletic trainer James Collins.
— Michael Gehlken (@GehlkenNFL) December 8, 2013

Chargers backup quarterback Charlie Whitehurst warming up on sideline. Hasn't thown regular-season pass since 2011 for Seattle.
— Michael Gehlken (@GehlkenNFL) December 8, 2013

[UPDATE:] Rivers returned to the game.

Philip Rivers throwing ball on sideline. Looks OK.
— Michael Gehlken (@GehlkenNFL) December 8, 2013

Philip Rivers and Charlie Whitehurst played game of catch. One grabbed his helmet afterward: Rivers.
— Michael Gehlken (@GehlkenNFL) December 8, 2013

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