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Johnny Knox: Opts To Retire At Age 26
Update: Knox (back) has decided to retire, the Chicago Sun-Times reports.

Recommendation: Knox, 26, is still suffering the lingering effects of a devastating back injury he suffered in a game in December 2011. Often struggling to sit or stand comfortably and walking with a limp over a year after the injury, Knox said he came to grips with the reality that he'll never be able to perform the same way again on the football field. He retires with career numbers of 133 catches, 2,214 yards, and 12 touchdowns, with one Pro Bowl bid (2009) to his credit.

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