Originally posted on Fox Sports Arizona  |  By CRAIG MORGAN  |  Last updated 10/13/13
Cardinals defensive end Calais Campbell was wheeled off on a stretcher after getting injured in a collision in the fourth quarter of the team's 32-20 loss on Sunday in San Francisco. Campbell felt numbness and tingling in his extremities but did have movement and waved to the crowd as he was taken off. He was taken to a Bay Area hospital to undergo precautionary MRI and CT scans, and the team reported the initial results were positive. His sister, Keyonne Campbell, also tweeted that Campbell was doing OK. If Campbell misses significant time, it would be a devastating to a defense already minus both of its starting outside linebackers (Sam Acho and Lorenzo Alexander) for the season due to injuries. Campbell has been playing at a Pro Bowl level, tallying 14 tackles, three sacks, a forced fumble and a fumble recovery. While Campbell lay on the field, fans at Candlestick Park started a wave, leading to admonishing comments from several members of the 49ers who called the cheer embarrassing. Follow Craig Morgan on Twitter
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