Philadelphia sports fans are known for being a bit … combative, and over the weekend, a group of them even got into it with the head coach of the city’s own football team. The Philadelphia Eagles ultimately beat the Cleveland Browns Sunday, but the Eagles struggled at times, leading some in the stands to jeer and chant, “Fire Nick!” That would be head coach Nick Sirianni, and at the end of the game, he was seen yelling and gesturing at some of the fans, ESPN reports. While he initially downplayed the interaction as him just “having fun,” by Monday he was apologizing, USA Today reports. “I wa…