Result and fight details
Yes, Floyd Mayweather defeated Conor McGregor by technical knockout in their professional boxing bout on August 26, 2017. The fight took place at T-Mobile Arena in Las Vegas and was scheduled for 12 rounds. Referee Robert Byrd stopped the fight between rounds 10 and 11 after McGregor’s corner advised they wouldn’t continue, making Mayweather the winner by TKO. Below are key verified details from the bout.
Key fight metrics
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Date | August 26, 2017 | Official fight card |
| Venue | T-Mobile Arena, Las Vegas, Nevada, USA | Promoter announcements |
| Weight class | Super lightweight exhibition (8 rounds official, stopped early) | Commission filing |
| Method | Technical knockout (corner retirement) | Referee report |
| Rounds completed | 10 of scheduled 12 | Fight records |
| Boxing record impact | Mayweather remained undefeated (50–0); McGregor record 22–1 | BoxRec / official scorecards |
Scorecards and stoppage
Official scorecards at the time of the stoppage read 88–82, 87–83, and 86–84 in favor of Mayweather. The fight began as a scheduled 8-round exhibition but was promoted to 12 rounds. After round 8, the contest continued, and McGregor absorbed heavy volume in rounds 9 and 10 before his corner intervened. The TKO cemented Mayweather’s win and highlighted the durability and defensive discipline that characterized much of his career.
Context and matchup details
The bout pitted Mayweather, a career boxing specialist known for precise counterpunching, against McGregor, a mixed martial artist and UFC featherweight and lightweight champion with limited boxing experience. Mayweather negotiated extensive promotional terms, including a revenue share from ticket sales and pay-per-view buys. The fight generated a reported 4.3 million domestic buys and approximately 130 million dollars in pay-per-view revenue, becoming one of the richest sporting events in history.
Fighter backgrounds compared
- Floyd Mayweather: Professional boxing record 50–0, multiple world titles across weight classes, renowned defensive skills and pay-per-view draw
- Conor McGregor: MMA record at the time 22–1, UFC champion in two weight classes, significant crossover appeal and media presence
Prep and training
Mayweather entered the bout with a traditional boxing camp, emphasizing fundamentals, ring craft, and sparring. McGregor’s camp focused on boxing fundamentals, conditioning, and adapting his striking to the squared circle. The disparity in experience—Mayweather’s decades in the ring versus McGregor’s initial foray into professional boxing—played a role in the fight’s progression and eventual stoppage.
Legacy impact
The fight reinforced Mayweather’s reputation as a high-level defensive boxer capable of adjusting and finishing opponents, even late in fights. For McGregor, it served as a valuable cross-sport experience that expanded his global profile, while underlining the steep challenges faced by MMA fighters moving to boxing. The bout remains a benchmark for crossover matchups and a case study in matchmaking, promotional execution, and fight-night economics.
Frequently asked questions
How did the fight end? Mayweather won by TKO after round 10 when McGregor’s corner decided not to continue. Referee Robert Byrd halted the contest between rounds 10 and 11.
What was the score at the time of stoppage? The official scorecards were 88–82, 87–83, and 86–84 for Mayweather.
Was this an official world title fight? No; it was an exhibition bout at a non-title 154-pound limit, not sanctioned as a world title fight by any major regulatory commission.
What pay-per-view records were set? The fight generated approximately 4.3 million domestic buys and became one of the highest-grossing pay-per-view boxing events.
What lasting effects did this fight have? It underscored boxing’s marketing power for MMA stars, influenced how promotions structure crossover events, and highlighted differences in pacing, rules, and skill sets between boxing and MMA.
In short, Floyd Mayweather beat Conor McGregor by a corner retirement TKO in a high-profile exhibition that drew record business and further bridged combat sports audiences. The bout reflects how matchmaking, star power, and crossover appeal can create historic moments while emphasizing the continued importance of ring craft and fight IQ.
As this matchup remains a reference point for future crossover events, fans and industry professionals can use these facts to compare fighter paths, business outcomes, and stylistic contrasts between boxing and MMA.