Desmond Watson’s quest to make the Tampa Bay Buccaneers will get a late start. Buccaneers coach Todd Bowles said the heaviest player in NFL history is day to day after starting camp on non-football injury list due to his weight.

But Belichick, widely regarded as one of the greatest—if not the greatest—NFL coaches of all time, is already noticing differences between players at the college and pro level. And it goes beyond the obvious age and skill differences that one would assume exist between the levels of football.