Marquez is a good match up for Floyd, he's going to make Mayweather look good.
They are both counter punchers, so it may not be extremely crowd pleasing, but Floyd can do everything Marquez cannot do
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Floyd isn't going to go toe-to-toe. He's going to box JMM (and probably box the shit out of him) and he will box inside when necessary. Floyd is a good inside fighter when he has to be.
Listen, if it weren't for one knock down, I would have Marquez pound 4 pound #1 right now. The guy is a certified beast and he isn't a pushover. But the facts are facts: Floyd has a size advantage, reach advantage, strength advantage, SPEED advantage, defensive advantage, better chin advantage, etc. Like I said earlier, Floyd can do everything marquez can do plus everything marquez cannot do. Floyd is simply the overall better fighter, in ever single category.
The only thing you got really is floyd has been inactive for 2 years. While thats a good point, for all the reasons mentioned above, I just don't see that being a factor. Plus, Floyd is a very special kind of athlete/fighter. There is a reason why he was pound 4 pound #1 and a reason why he's won belts in 5-6 weight classes and is undefeated.
I'm not some Floyd nutthugger either, he pisses me off most of the time, but I cannot deny the man's skills nor can I deny the fact he's the best fighter since a prime Roy Jones (he doesn't however have the best RESUME of active fighters though).