Mozgov is nice. He has some post moves and can hit the occasional jumper. He is not as good of a finisher as Mahinmi, though, and his jump shot is worse than Ian's as well. But he's a real ox. He is big and strong. He is not particularly fast or nimble, though. Not a particularly good passer and a bit turnover prone. He is a rebounder that can play good D, though, and that's always good to have.
Hoopshype doesn't indicate a QO. His contract for the last season was $2,794,621 so a QO at 3.5 mil seems logical.
I'll tell you what. A back-up combo of Ian - Timofey with Miles as the 3rd (well, 5th in reality) big would be one of the biggest that the league has ever seen.