The only reason why Matt Birk brought his aching knees and battered body to training camp for a 15th NFL season was to get to the Super Bowl. The 36-year-old Birk was bothered by neck, elbow and knee injuries during his previous three years with the Baltimore Ravens, yet he never missed a start. During the offseason, the six-time Pro Bowl center underwent surgery to repair varicose veins in his legs. Read More