The coach can't help himself. He can be emotional. Impulsive. Petty. "He’s always gonna be feisty," says left tackle Jordan Mailata.

The coach is off to the best start in team history — and yet his job was seen as in jeopardy a few months ago. We spoke to an expert to help us understand.

Nick Sirianni has been the coach of the Eagles for four years. He is, by most definitions of the words, a highly successful football coach. He is also, in the eyes of many, annoying.