By Tom Blow Patrick Mahomes has modestly downplayed his place in the NFL’s greatest of all time (GOAT) debate. Despite leading the Kansas City Chiefs to four Super Bowl appearances in the last five years and securing three victories, the 28-year-old believes he still has a long way to go to be regarded in the same league as Tom Brady, Peyton Manning and Aaron Rodgers. Mahomes, a Texas Tech alumni and three-time Super Bowl MVP, is widely considered the best playcaller in the NFL today. Yet he insists that he needs to continue performing at a high level for many more years before he can be count…