The superstar boxer Floyd Mayerweather retires after picking apart Conor McGregor in ten rounds ,he beat Conor McGregor in the 10th round of their fight , to take his record to 50-0 .
On Saturday night in Las Vegas referee Robert Byrd stopped the fight is Mayweather pummeled aclearly fatigued , in biggest win ever .
The Irish UFC star, boxing for the first time as a professional, was stopped in the tenth round as the American extended his unbeaten record to 50-0
The rooki Irishman made abright start befor Mayweather took control of the bout .
Mayweather now retires with a 50 -0 record .
McGregor has no ruled out a return to the boxing ring .
This bout was one of the most talked about fights in history.
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