Floyd Mayweather Jr. signed off from professional boxing as he had planned, going out unbeaten and on his own terms as 'The Best Ever' after improving his career record to 49-0.
After a 19-year run that produced world titles in five weight divisions and earnings in excess of $800m, Mayweather bade farewell to the ring with a clinical display to earn a unanimous decision over fellow American Andre Berto.
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