Floyd Mayweather has made a ton of money through betting and well, the numbers are just astounding. He made $75,000 betting for college basketball while he made $4.7 million in NFL, in a space of a month! Combining NBA and boxing, he made $800,000. These stats are just from 2014, but, you do know how betting works, the athlete has lost $50 million. Anyway, the boxer can lose some more money if Logan Paul is able to squeeze some out through a court case, for a fight between them last year, for which he claims he hasn't been paid a fair share.