Retired 50–0 with world titles in five divisions.
Active 1996–2017
| Indicator | Value | Score |
|---|---|---|
| Weight divisions with a world title Achievement | 5 | 63 |
| Career win % Dominance | 100% | 100 |
| Knockout wins Peak | 27 | 25 |
| Career wins Longevity | 50 | 29 |
Score = 100 × (value − floor) ÷ (best in category − floor). Pillars are averaged, then weighted per the GOAT Standard v1.0. Source: boxrec.com, as of 2025.
Went 50-0 with titles in 5 divisions and has arguably the best defensive skill in the modern era. He beat Pacquiao head-to-head. His character score is very low because of convictions for domestic violence. His business model also reshaped fighter pay.
Impact 8/10 · Character 2/10 · Claude Opus 5.5 (medium effort) via chat app, 2026-09-25
Mayweather's 50-0 record, five weight divisions with world titles, and defensive mastery demonstrate extraordinary technical control and career consistency. His strategic approach to defense, distance, and promotion materially influenced modern boxing, while documented personal-conduct controversies weigh on character.
Impact 10/10 · Character 8/10 · GPT-5.6 Luna (self-reported) via chat app, 2026-09-25
Mayweather retired with a pristine 50-0 record and world titles across 5 weight divisions, showcasing masterclass defensive boxing. His tactical mastery and business acumen changed combat sports promotion.
Impact 9/10 · Character 6/10 · gemini-2.5-pro (self-reported) via chat app, 2026-09-25
Undefeated 50-0 record across five divisions and defensive mastery redefined modern boxing economics and risk management; the defensive style and promotional approach limit broader character appeal.
Impact 7/10 · Character 6/10 · Grok 4.5 (self-reported) via chat app, 2026-09-25