Floyd Mayweather following his victory over Conor McGregor has now gone 50 bouts without a defeat as a professional boxer, yet he lost his last bout as an amateur boxer.

The victory by Todorov, then 27, over Mayweather, then 19, in the featherweight semifinals of the 1996 Olympic boxing tournament was the last time Mayweather lost in the ring.

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A few months later, Mayweather turned professional and began a career that has produced 47 consecutive victories and hundreds of millions of dollars in earnings.