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.

Throughout the Philadelphia Eagles' first pre-Super Bowl LIX practice on Wednesday, Coach Nick Sirianni urged his players to "focus and refocus."

Despite facing plenty of criticism, Sirianni has been nothing short of elite through his brief, four-year career as the head coach of the Eagles.