It’s tough to call. Honestly, it is all the above. Dareus trade play a factor? Possibly. Towards the end, before his trade, he hardly played and was limited in snaps played.
Preston Brown has been getting worked and the majority of the three games he has been picked on heavily.
You are are only as strong as your weakest link. Game plans have been built around those weakest links. Leslie Frazier has a lot of work to do, as does Dennison. I actually like both coaches, but In today’s game if you can’t patch the holes— coaches get canned.