Ron Cook: Patriots' Bill Belichick and Tom Brady coach-quarterback duo might be best ever

For coach Bill Belichick and quarterback Tom Brady of the New England Patriots, there is much more at stake Sunday against the Denver Broncos than just a trip to Super Bowl XLVIII. With a win in that game and in the Super Bowl, Belichick and Brady have a chance to be remembered as the greatest NFL coach and quarterback of all time. That's pretty significant.