as important as titles are, it's hard to imagine that just one football game would vault him from 1 tier to another.
Probably not the strongest pro Manning argument. Using that standard, Marty Schottenheimer is a gold standard coach.
Also, I guess Fox and Dungy are somehow comparable to Belicheck? I mean, I don't see how it isn't obvious that Brady has had the upper hand in coaches, often the upper hand in supporting team, and more often than not home field.