if Joshua were foolish enough to fight Tua's fight; close inside brawling, Tua has a chance to win. But if Joshua boxed even a little bit he'll win easily. Too much of a height and reach advantage
I think AJ can beat Tua. But he'd have to be smart about it. Going in there and brawling with Tua would be his undoing here. I think he would win a UD with some shaky moments.