Buffalo Bills quarterback Kevin Kolb may retire due to concussions

Aug 16, 2013; Orchard Park, NY, USA; Buffalo Bills quarterback Kevin Kolb (4) on the sideline during the second half against the Minnesota Vikings at Ralph Wilson Stadium. Buffalo defeats Minnesota 20 to 16. Mandatory Credit: Timothy T. Ludwig-USA TODAY Sports /

The end of the line may be near for Buffalo Bills quarterback Kevin Kolb, but it may be for the better in the end. The 6-year pro was treated for concussion-like symptoms after getting kneed in the back of the helmet in the Bills’ preseason game Saturday against the Washington Redskins. Kolb was hurt at the end of an 8-yard scramble in the first-quarter, and was pulled four plays later in favor of rookie QB Jeff Tuel.

Kolb has been competing for the starting job with first-round pick EJ Manuel, but Manuel hurt his left knee in the Bills’ previous game and is out for the rest of the preseason. Kolb was 2 for 4 for 16 yards and had two runs for 12 yards Saturday when he left the game.

Kolb has suffered at least two concussions over six NFL seasons, and this latest one may be a career-ender:

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