The latest signs of Nick Sirianni‘s maturation as an NFL coach came a little before 1 p.m. on Tuesday, when he walked into the auditorium to field questions about his new contract extension. He did not flex into the camera and yell,

Sirianni's 48-20 record is the best active winning percentage currently in the league. He's only been with the team for four seasons, but has reached the playoffs in all four years, led his team to two Super Bowl appearances, and even won a title last year.

There was never a doubt the Philadelphia Eagles were going to extend Nick Sirianni, at least after a Super Bowl championship victory. With Sirianni headed into the final year of his contract, the Eagles rewarded their head coach with a multi-year extension that will keep him in Philadelphia for years to come.