Cooley was an afterthought for me, but I really like how he throws himself around while on the floor. Unless they bring over both Tomic and Pleiss, I'd like to see him stick. Being physical and getting rebounds is a quality skill set to have on the team.
I'd be fine for the front court ends up being - Gobert, Favors, Pleiss, Booker, Lyles and Cooley. That's a pretty solid group.