His first feature film was a low-budget indie, his second is part of a major franchise.
"Fightworld" creator Frank Grillo says many champions started out "fighting for their lives."
It comes with the territory, and soon every sport could be pay-per-view.
The Mayweather vs. McGregor fight is expected to generate revenue from everything from pay-per-view to advertising slots on Mayweather's boxing shorts and robe.
Boxing's mainstream glory days pretty much ended when Don King and Mike Tyson got involved. Networks no longer wanted any part of it. So, in many ways, boxing owes its survival to pay-per-view, which has allowed it to tap a small but dedicated audience for a high price.
The rivalry between Muhammad Ali and Joe Frazier was one of sports legend. But what has happened to boxing since those days?