Foreman walks Ruiz down. Ruiz reluctance to to fight offensively, being the difference. Foreman by UD , maybe a late stoppage.
You think you get to clinch against Foreman? Dead man. Forced to play a game without spoiling as an option.
Ruiz tries to get into a clinch fest with Foreman, but that would wear him down more than Big George. Foreman by late tko.
Foreman. He's way stronger than Ruiz so as others have said that holding and mauling he loves so much would not work well. George would push him off and hurt him with uppercuts.