data-mm-id=”_zi7j2uxix”>The end is near for arguably the greatest generation of quarterbacks in NFL history. Tom Brady, Drew Brees, Philip Rivers, and Ben Roethlisberger enter the playoffs with at least one foot out the door as the retirement clock counts down the final seconds of their illustrious careers.Standing in the path of the storybook ending each hopes to author is a new generation of quarterbacks who want nothing more than to dash their predecessor's dreams of being the next Peyton Manning or John Elway. How the next five weeks unfold will determine legacies and prestige, but it will also signal an official passing of the torch from one group of all-timers to their presumed successors. Brees, 41, has already reportedly decided to retire after this season and assume his p…