Patrick Mahomes, Tom Brady top list of five QBs who could break Peyton Manning's single-season passing record | CBS Sports Headlines Patrick Mahomes, Tom Brady top list of five QBs who could break Peyton Manning's single-season passing record Manning’s 8-year-old record will likely be in jeopardy this season ESN FeedsThis … Continue reading Patrick Mahomes, Tom Brady top list of five QBs who could break Peyton Manning's single-season passing record