Mayweather is 49-0 in his professional career. He is a five-division world champion, won three Golden Gloves and even a bronze medal at the 1996 Olympics. Many would love to be the one to hand him his first loss, and his next challenger comes from an unlikely place.
"The Notorious" Conor McGregor is no slouch. He is the current UFC Lightweight Champion and the former Featherweight Champion. He is the only man in the history of the company to simultaneously hold titles in two weight divisions.
But this isn't mixed martial arts. This is boxing. There will be no kicks, knees, elbows, take-downs or submissions allowed. As a result, massive amounts of intrigue have built up around this boxing match.
This isn't the first time two fighters from different styles have clashed in a dream match. Boxer Muhammad Ali took on wrestler Antonio Inoki on June 25, 1976. The end result was a confusing mess that left Ali with a bunch of leg bruises.
Then, there was the infamous match between boxer Rocky "The Italian Stallion" Balboa versus wrestler Thunder Lips. This one got pretty wild. Balboa needed to hear many inspiring words to agree to this fight.
Life tip: Do not figure out how much money you make per minute and compare it to this. It won't make you happy. Even if you make exactly how much money you need to be happy, you'll always be envious of those with more.