| 100% | TERRY | 5 | & 16A London-born World Flyweight boxing champion from Apr-Aug 1950 |
| 49% | TERRY | 5 | & 15A London-born World Middleweight boxing champion from 1961-62 |
| 40% | JACKJOHNSON | 11 | World Heavyweight boxing champion from 1908-15 |
| 40% | GENETUNNEY | 10 | World Heavyweight boxing champion from 1926-28 |
| 40% | JESSWILLARD | 11 | World Heavyweight boxing champion from 1915-19 |
| 35% | TUNNEY | 6 | Gene —, World Heavyweight boxing champion from 1926-28 |
| 35% | BAER | 4 | Max —, World Heavyweight boxing champion from 1934-35 |
| 35% | FRAZIER | 7 | Joe —, World Heavyweight boxing champion from 1970-73 |
| 35% | LOUIS | 5 | Joe —, World Heavyweight boxing champion from 1937-49 |
| 35% | DEMPSEY | 7 | Jack —, World Heavyweight boxing champion from 1919-26 |
| 34% | ZALE | 4 | Tony —, World Middleweight boxing champion from June-September 1948 |
| 33% | CURRY | 5 | Donald —, undisputed world Welterweight boxing champion from 1985-86 |
| 33% | NAPOLES | 7 | Jose —, undisputed World Welterweight boxing champion from 1969-70 |
| 32% | ALI | 3 | Muhammad —, late undisputed World Heavyweight boxing champion from 1974-78 |
| 32% | LOUIS | 5 | Joe ---, World Heavyweight boxing champion from 1937-49 |
| 30% | CHARLES | 7 | Ezzard —, 1950-51 World Heavyweight boxing champion |
| 29% | JOE | 3 | & 8A British Heavyweight boxing champion from 1956-58 |
| 29% | CONTEH | 6 | John —, WBC Light Heavyweight boxing champion from 1974-77 |
| 28% | ROCKYMARCIANO | 13 | Boxer from the 50s who is the only world heavyweight champion in professional boxing to retire undefeated: 2 wds. |
| 27% | JOELOUIS | 8 | Boxing great who was world heavyweight champion from 1937 to 1949 (2 wds.) |
| 26% | OMAR | 4 | World hurdling champion from Jamaica, ___ McLeod |
| 26% | BORIS | 5 | World chess champion from 1969-72 |
| 25% | MAGNUSCARLSEN | 13 | World Chess Champion from 2013 to 2023 |
| 25% | SONNYLISTON | 11 | 1962-64 World Heavyweight boxing champion |
| 25% | LENNOXLEWIS | 11 | World heavyweight champion who was once an Olympic boxing gold medalist |
| 24% | ROCKYMARCIANO | 13 | Boxing great who retired in 1956 as world heavyweight champion: 2 wds. |