If Hearns boxes he wins an UD, if he doesn´t Toney knocks him out. I expect the latter one to happen, Hearns was too easy to drag into a fight.
If Hearns can land enough effective right hands he's got a good shot. Otherwise Toney will drag him to deep waters and wear him down, a la Nunn.
Toney has a big chance for a late round knockout but a lackadaisical approach would see him lose a decision.
Toney would drag Hearns in to a brawl and Hearns would not have the advantages (height and reach) that he had at ww. IMO pre cheeseburger diet Toney would be able to hang with the Hitman's skills and out muscle him.
lights out by ko, toney was naturally stronger, he had better chin by far, he was very skilled and he had very good hitting power, james by late ko