Kansas City Chiefs quarterback Patrick Mahomes (15) throws during pregame warmups prior to a game against Washington last season. If all NFL teams knew in 2017 what they know now, Mahomes would have likely been the No. 1 draft pick then. ALEX BRANDON/AP
By EJ Smith and Josh Tolentino Philadelphia Inquirer PHILADELPHIA — Five years ago, Philadelphia was at the forefront of two major NFL events. The first…