Peyton was an incredible front running QB. When things were clicking offensively and he was playing in pristine weather conditions Manning was often sensational (back to back wildcard games against the Broncos) His biggest issue was when the stage got bigger and things were not going to plan he too often came up small. The only memorable Manning playoff comeback I can recall is his 2006 win against the Pats. Played excellent in the 2nd half. Is there another game of note? Even one? For someone of his stature that is just not good enough to be in the conversation as one of the best ever.