"Conor McGregor, come on...that's a joke...it's a joke to boxing; it's a slap in the face...out of nowhere you're going to give this dude a fight...you're going to break Marciano's record with that...Nate Diaz is going to mop him again," stated former world champion Robert Guerrero, who shared his thoughts on a potential comeback for retired undefeated former pound-for-pound king Floyd Mayweather. Check it out!
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