Since 2010 Brett Favre has been in a club all by himself. (There are jokes to be made here about Favre and camera phones, but we’re too mature to make them. Sheesh.) This weekend against the Cardinals, Peyton Manning could join Favre in the two-man group of quarterbacks in NFL history to throw over 500 TD passes in their careers. Here’s how each passer got to that lofty mark.
