"I proved myself throughout the years...this is my last one...I thought this is what I wanted...it's rough...I know...it's the last one ladies and gentleman...I can't...my body is...it's grueling...it's too much," stated future Hall of Famer Floyd Mayweather, who revealed that his highly-anticipated showdown with UFC star Conor McGregor will be the final fight of his career. Check it out!
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