I believe Ted Monachino will need to produce quickly (within 2 years) as he is now being given talent on the defensive side. The Colts have proven they can score with a maligned O-line. If the Colts are not constantly playing from behind, the turnover ratio will improve.
Dorsett is in his make or break season with a nice group of receivers around him. He needs to tighten up his route running. If he does, he'll get a payday. If not, I doubt he survives another cut.
Clayton Geathers needs to get fully recovered from his neck injury (I'm happy he is getting time) and show that he can be available most of the time.
Something interesting in CB's press conference was about coaching.
He didn't specifically bring up Pagano, but he was implying IMO. He said something to the effect that once the pads go on we can see at that point what players really are and how the coaches are doing.... I don't remember the exact words but I took it as he will be evaluating the coaches along with the players.