The latest occurred during the first quarter of a 30-7 preseason loss at Washington on Aug. 24,Air Max Scontate Uomo, when Kolb was kneed in the back of the head at the end of a scramble. Diagnosed with concussion-like symptoms,Jerseys NFL China, Kolb was placed on injured reserve a week later and spent much of the season recovering at his home in Texas.
The Bills were Kolb's third team since being selected in the second round of the 2007 draft by Philadelphia. A concussion in 2009 resulted in Kolb losing the starting job to Michael Vick in Philadelphia. He then spent two seasons in Arizona,Cheap NFL Jerseys China, where he failed to secure the starting job because of an assortment of injuries.