Calais Campbell
NFL's second half brings new questions
NFL's second half brings new questions

Remember back a couple of months, just before the start of the NFL season, that much of the talk was about rookies Johnny Manziel, Jadeveon Clowney and Michael Sam? Now, Manziel's holding a clipboard in Cleveland; Clowney has had injury problems and hasn't made a big splash; and Sam, the league's first openly gay player, is no longer on a roster. As is the case every year, the NFL's GPS is … recalculating … Now that most teams have played eight games, here are 10 questions heading into the second half of the season: Who has been the best coach so far? Arizona's Bruce Arians. It's hard to believe this guy went almost his entire career...