The first person in combat sports whose career earnings have reached $1 billion is the former five-weight division champion.
An important milestone has been reached. Yet oddly, he spends his large sums of wealth at the same rate he took them in, and eventually it has become a habit.
The most recent episode of "The Joe Rogan Experience" featured a visit from UFC Welterweight Jorge Masvidal.
They made a fascinating observation about Mayweather when discussing the commercial side of combat sports.
First, Rogan discussed Mayweather's million-dollar watch and automobile collection that he frequently brags about on social media.
Masvidal continued by describing how Mayweather's promotion affected his career.