Reagor replacing Parker and also adding Thornton gives the team a lot of speed that they were sorely lacking before. Thornton also looked sharper than I expected on film, Mac just didn't hit him. If Mac cleans it up, or if another guy replaces him who can hit those shots, it might open things up a bit. Bourne and Douglas could then produce in the short/intermediate with YAC, and a respectable passing game helps the run game...
The defense is obviously a lot worse off without Judon and Gonzalez but I think they can still be good. Jon Jones is back, Jack Jones is about to come back, and JC Jackson hasn't been bad. Marcus Jones might come back eventually, too. Barmore has improved over time. If the Pats can find a way to find competency on offense with anyone at QB then they might be able to turn the season around.