Floyd Mayweather Jr.: $400 Million
With over two decades of dominance, Floyd Mayweather Jr. remains undefeated in his illustrious boxing career. Widely regarded as one of the greatest boxers ever, Mayweather Jr. has secured 15 world titles and the lineal championship in four weight classes. “Money” Mayweather holds the record for the highest Pay-Per-View (PPV) buys in history, amassing 19.5 million and generating $1.3 billion in revenue. Following his split from Top Rank, Mayweather now operates under his own company, Mayweather Promotions, often co-promoting with rival Golden Boy Productions.