The only head coach to lose to the Eagles in a Super Bowl is, for the moment, no longer an NFL head coach, and the thing that everyone around here forgets is that the Eagles wouldn’t have won that night without Bill Belichick. He and the Patriots are, in the parlance of our times, “parting ways” after 24 years. And his departure from New England on Thursday marks not only the end of the most successful tenure of any coach in the history of professional football, but also the end of the most feared and influential rival that the Eagles have ever had. The Cowboys have generated more resentment. …
