Now, KC is knocking on the doorstep of history. If the Chiefs can defeat the Philadelphia Eagles on Feb. 9 at the Mercedes-Benz Superdome, they will indeed be unlike the other teams in the sport. Here’s a look at a few other records and milestones that remain rarefied in sports history.

He doesn't watch as much football anymore, but Jerry Kramer surely plans to ease into his leather recliner with a glass of bourbon and follow along as the Kansas City Chiefs chase history this season.