FLOYD MAYWEATHER SR. WARNS CONOR MCGREGOR HE'LL PUT HIM TO SLEEP HIMSELF; ROY JONES JR. AGREES!

"If he knows what's good for ass, he better go somewhere and sit down...especially if he talking about messing with the Joy Boy...if they want me to fight him, I'll fight him...I betcha I'll knock his ass out...I would put him to sleep...I'll put it on his ass for real," stated world-class trainer Floyd Mayweather Sr., who strongly believes that he can knock out UFC star Conor McGregor himself. Check it out!