I'm not sure about the details, but I have read in some boxing forums that retired boxer slugger Ricardo Mayorga signed to fight in an MMA organization (most probably not UFC)- I just don't know what MMA org.
If this is true, how do you think he would do in MMA?
I think if he trains with a good camp like if he trains with American Top Team or with Greg Jackson or goes to Brazil and trains with Minotauro Nogueria and really dedicate his grappling he could beat some of the C D level fighters. Marcus Davis is a ex-boxer and has a winning record in MMA...