Nick Chubb suffers another severe knee injury, likely ending the Browns star running back's season – WATE 6 On Your Side
Most notable life-threatening injuries in the NFL
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Johnny Knox carted off field, faces back surgery - CBS News
How Johnny Knox's Promising Young Career Ended in the Blink of an Eye, News, Scores, Highlights, Stats, and Rumors
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Examining Dawson Knox's right-hand fracture - Buffalo Rumblings
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Bears' Zach Miller Needed Emergency Surgery After Negated Touchdown - The New York Times
Johnny Knox's Neck Injury vs Seahawks (Career Ending) - 2011 Week 15
What is back stabilization surgery and rehab Johnny Knox – The Disabled List
Bears' Knox gets top care, teen athletes not as lucky
Worst NFL Injuries EVER! Doctor Explains Johnny Knox BROKEN SPINE (Career Ending)
Former Chicago Bears tight end, Zach Miller found a second career