Mayweather famously came out of retirement for one last hoorah in August, when he welcomed UFC lightweight champion Conor McGregor to the boxing ring. Having surpassed the 49-0 record of Rocky Marciano, Mayweather was expected to hang up his gloves for good with his pristine 50-0 career and minimal damage sustained over 21 years in the fight game.http://mybets9ja.com/mayweather-eyes-51st-fight-but-not-against-amir-khan/