Floyd Mayweather beat out Kylie Jenner, The Rock, and George Clooney for the title of world's highest-paid celebrity

Reuters

Floyd Mayweather.

• Floyd Mayweather, a former 147-pound boxer, punches well above his weight when it comes to wealth accumulation.
• Mayweather outmuscled the likes of George Clooney, Kylie Jenner, and The Rock to sit atop Forbes' list of the highest-earning celebrities.
• Mayweather earned over $275 million for his 2017 fight against UFC star Conor McGregor.
• He has since teased a comeback to combat sports, most notably with UFC, but has since cooled off on that idea and focused on real estate development.

Floyd Mayweather may only come in at 147 pounds, but when it comes to wealth accumulation he punches well above his weight.

In Forbes' recently-released list of the world's highest-paid celebrities, the retired boxer Mayweather beat out George Clooney, Kylie Jenner, and Dwayne Johnson, also known as The Rock.

20-year-old Jenner recently attracted headlines for being within reach of becoming the world's youngest self-made billionaire, as Forbes estimated her net worth to be $900 million earlier this month.

But Mayweather broke that barrier last year when his landmark crossover boxing rules contest against UFC star Conor McGregor, a fight he won in the 10th round, earned him $275 million and took his total career earnings past $1 billion.

It was that fight alone that ensured he topped Forbes' list, as Mayweather was paid for his participation in the actual fight, and also for his role as its promoter.

The Las Vegas showdown generated over $550 million in revenue, and was the second most popular fight in pay-per-view history.

Since then, Mayweather has teased a combat sports comeback, most notably with UFC, but has since cooled off on that idea and focused on real estate development.