Mugabi blasts the wide open Barkley out in 4 rounds, Barkley's size won't matter when he's open to eat punch after punch.
It could be similar to Benn/Barkley if Mugabi attacks from the first bell, but if Iran can withstand the first few rounds, it is possible he can get Mugabi late If I have to choose I say Mugabi by stoppage on cuts
Mugabi was a light middle who went up to middle and Barkley was a huge middle who could have been very strong at super middle. I agree that Barkley cut and didn't have the most amazing defense but I see a war where Barkley stops mugabi
This would be a slugfest...I can see a scenario with Mugabi hurting Barkley early...coming close to stopping Barkley...But I think Barkley would comeback from the brink and end up stopping Mugabi...It would be back and forth.
In a slugfest it often comes down to who has the better chin. Barkley would be the last man standing in this one.
I think it would be a bit like the Benn fight with mugabi coming out blasting I think that the blade would ride out the early attack and fire back knocking out the beast in about four or five awesome rounds would be fight of the year.
That's why I chose my first respond, I said it would take a few rounds because Mugabi didn't start as fast as Benn did.