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NFL | Johnny Knox calling it quits

Former Chicago Bears WR Johnny Knox (spine) said he is done playing football as he still suffers from the effects of a devastating spinal injury 13 1/2 months ago. "As an athlete, you don't want to give up, you want to keep on fighting. That's how I've always been," Knox says. "But it's been on my heart for a while. I know how my body feels, and I know I'm not going to be the same and perform at the ability that I used to."

2013-02-13 16:25:13 | Source: Chicago Sun-Times - Sean Jensen

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