Floyd Mayweather vs Mike Zambidis undercard: Who else is fighting on mega crossover card? (opens in new tab)

FLOYD MAYWEATHER and Mike Zambidis go to war at the top of a huge bill in Athens - and not every fight will be a boxing match. Mayweather, 49, hasn't stepped foot in the ring since his exhibition bout with the grandson of crime family boss John Gotti in 2024. But martial arts 'living legend'...