This was/is already. I picked and still pick Tua 2 beat Toney, just not sure if he stops him or not, but a stoppage is quite possible.
Gut instinct tells me Toney via UD. He's just too savvy for a relatively one dimensional slugger like Tua to overcome, and had the jaw to survive a few scares along the way. Might even hurt Tua to the body the way Byrd did.
Roided Toney once beat Thor and the Incredible Hulk. So based on that I would say Tua knocks the stupid out of Toney's dumb ignorant ass.
I pick Tua. Tua seemed to beat guys moving up in weight easily, and I know Toney had a great chin, he did not have a chin to take a Tua left hook to the body or head.
I think Tua could put Toney's lights out with one shot, and is one of the very few who has a good shot at that. Whether he will or not is the question. Otherwise, Toney UD Byrd?