Justin Bieber, Lil' Wayne, and Snoop Dogg have done it ... and when boxing legend Floyd Mayweather finally returns to the ring for his scrap with John Gotti III on Saturday, there will be no lack of star power -- Anthony Edwards and Anthony Davis will accompany TBE to the squared circle!
TMZ Sports has learned Edwards and Davis, NBA superstars who just won gold medals as a part of Team USA in Paris, will be in Mexico City (Money got a heroes welcome!