One day when everyone is old and grey, the story of Jason Kelce's knockout win over Terry Pegula will be a nice conversation piece.

Jason Kelce attended not only to help defend the Eagles' tush push play against a potential ban, but also to push back against claims that the play led to his retirement.

Jeffrey Lurie brought a heavy hitter with him to the NFL's league meeting. On Wednesday morning, the Philadelphia Eagles ' owner arrived with former Eagles center Jason Kelce, who is there to lobby for keeping the "Tush Push" play alive, as reported by CBS Sports NFL Insider Jonathan Jones .