Peyton Manning, Denver
Comment: Manning got better as the season wore on.
Philip Rivers, San Diego
Comment: Rivers needs to find a way to rebound or his career will spiral downhill.
Carson Palmer, Oakland
Comment: Palmer put up big yardage numbers, but he made little impact this season.
Brady Quinn, Kansas City
Comment: Better quarterback play will be the theme in Kansas City moving ahead and Quinn is not part of the plan.