I think it'll be Chagaev, it'll get the final Sauerland option out the way as well as his mandatory defence, and I'd have him stopping him in the mid rounds. Arreola and Adamek fights would be fun to watch, but if he gets out of a Chagaev fight then I'd just want him in with someone decent if not a Klit. Not a Valuev rematch please, hopefully the op he's undergone/undergoing will rule out that fight