Tennessee Titans middle linebacker Colin McCarthy is still in a walking boot and is questionable for Sunday's game at the Buffalo Bills.
TitanInsider.com reported Friday that McCarthy's injured ankle will be evaluated Saturday to determine whether he will be able to play.
Also, defensive tackle Jurrell Casey (shoulder) tackle Mike Otto (knee) practiced Friday and are questionable. Linebacker Patrick Bailey (hand) is probable. Quarterback Jake Locker (shoulder), running back Javon Ringer (knee) and cornerback Tommie Campbell (ankle) have been ruled out.