Is Kevin Kolb done? 

February, 15, 2014
Feb 15
2:57
PM ET
Buffalo Bills quarterback Kevin Kolb hasn't played since August because of a concussion sustained in the third game of the preseason. He was placed on injured reserve shortly thereafter. The concussion was at least his third and some have asked how concerned he should be about his NFL future. Could this be it for Kolb in the short-term?

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