‘"I’ve always felt with the quarterback position you stay with him as long as you possibly can. You just do," said St. Louis Rams coach Mike Martz, who is no stranger to QB musical chairs and whose team visits Ralph Wilson Stadium on Sunday. "I’ve had a situation here in the past where you feel like you have to make a change, and at that point it has to become obvious to you. And if it’s not (obvious) and you’re not sure, you can’t make that change."’