who has the most boxing wins in history
Julio César Chávez Chávez holds the records for the most total successful defenses of world titles (27, shared with Omar Narváez), most title fight victories (31), and most title fights (37); he has the second most title defenses won by knockout (21, after Joe Louis with 23). His fight record was 89 wins, 0 losses, and 1 draw before his first professional loss to Frankie Randall in 1994, before which he had an 87-fight win streak until his draw with Pernell Whitaker in 1993. Chávez's 1993 win over Greg Haugen at the Estadio Azteca set the record for the largest attendance for a boxing match: 132,274.
Floyd Mayweather Jr. vs. Conor McGregor Floyd Mayweather Jr. vs. Conor McGregor, also known as "The Money Fight"[2] and "The Biggest Fight in Combat Sports History",[3] was a professional boxing match between undefeated eleven-time five-division boxing world champion Floyd Mayweather Jr. and two-division mixed martial arts (MMA) world champion and at-the-time current UFC Lightweight Champion Conor McGregor. The match took place at the T-Mobile Arena in Paradise, Nevada, on August 26, 2017 at the light-middleweight weight class (154 lbs; 69.9 kgs). It was scheduled for twelve rounds.