Why was Eagles coach Nick Sirianni dressed up like a Chicago Blackhawks player for Halloween?

Sirianni went as Nick Foligno, who has been called a Sirianni doppelganger, after the Blackhawks captain dressed up as the ...

Blackhawks' Nick Foligno hoping to meet Eagles coach Nick Sirianni after Halloween antics: 'We'll do the Spider-Man thing'

The two doppelgangers actually didn't coordinate dressing up as each other this year, but Sirianni returning the favor Friday made Foligno laugh.