The kid is a tough kid. He likes to play."Other injury concerns come in the form of right tackle Eric Fisher the first pick in April's draft who suffered a concussion and is iffy for the Titans game; and punter Dustin Colquitt, who sprained his knee.As a unit, the Chiefs are 11th in the league in scoring offense (25.5 points per game) and best in the league in scoring defense (10.2 points per game)."We come out here and try to perfect our craft every single day and every practice," tight end Sean McGrath said. "We just want to be as prepared as we can to face an opponent the next week."Injuries are no stranger to the host Titans, who suffered a significant one last week in the midst of a 3813 throttling of the New York Jets.Quarterback Jake Locker, off to the best start of his threeyear career, suffered a sprained hip in the second half of the victory and will be unavailable for at least a "few weeks," according to Tennessee coach Mike Munchak.T