Floyd Mayweather Jr., 41 – $25.5M
Floyd Mayweather Jr. is a former pro boxer turned promoter whose career lasted from 1996 until 2007 then again from 2009 until 2015, with yet another two comeback fights in 2017 and 2018. Mayweather Jr. is considered by many as the greatest defensive boxer ever, as he won numerous titles in multiple weight classes. Throughout his career, he reportedly generated about $1.67B in total revenue, surpassing the likes of Tyson, Holyfield, Lewis, and many others in terms of making money. In 2017, Floyd bought a Beverly Hills mansion for $25.5M and spent another $500K on furnishings. The 15,096-square-foot house has 6 bedrooms, 8 bathrooms, 2 half baths, and an outdoor pool.