Floyd Mayweather bets big, but not on himself Floyd Mayweather bets big, but not on himselfESPN Despite Ali vs. Inoki comparisons, there’s no true precedent for Floyd Mayweather vs. Conor McGregorMMA Fighting The Bottom Line: A Silver Lining for MMASherdog.com Column: Purists eager for fight after Mayweather-McGregorUSA TODAY Full coverage