Who would win a fight between
"It's all about how much time Floyd has to prepare, because he will really have to work on his takedown defense. That would be the big thing," Rogan said on ESPN2′s "SportsNation." "If Ronda got a clinch on him, it's not just about worrying about being taken down to the ground, it's worrying about knees to the body. It is worrying about her manipulating his body in ways that he doesn't understand."
Mayweather would need at least six months of training to be able to have a chance with Rousey, according to Rogan.
"It's too hard to avoid the clinch. If you watch a Floyd Mayweather fight, they very rarely end in a one-punch knockout. He has brittle hands. His hands break. You are talking about small gloves where hands are going to break even easier. She keeps her chin tucked, hands high and gets a hold of you. There is going to be a lot of things she is doing that he doesn't understand."