| 100% | OLEG | 4 | 2006-08 heavyweight champion Maskaev |
| 50% | IBRAGIMOV | 9 | Sultan —, WBO Heavyweight champion from 2007-08 |
| 47% | JUNIORWITTER | 12 | British fighter; 2006-08 WBC Super Lightweight champion |
| 45% | IBRAGIMOV | 9 | Sultan —, 2007-08 WBO Heavyweight champion |
| 45% | ALI | 3 | Greatest heavyweight champion |
| 44% | IRONMIKE | 8 | Heavyweight champion who defeated "Bonecrusher" Smith |
| 44% | INGEMAR | 7 | Former heavyweight champion Johansson |
| 44% | MIKE | 4 | World heavyweight champion ___ Tyson |
| 44% | LEON | 4 | Former heavyweight champion Spinks |
| 44% | TYSON | 5 | Former heavyweight champion Mike |
| 44% | MIKETYSON | 9 | Former world heavyweight champion |
| 43% | TITLE | 5 | Heavyweight champion of the world, e.g. |
| 43% | THREETIME | 9 | Like Ali as heavyweight champion |
| 43% | INGEMAR | 7 | 1959-60 heavyweight champion Johansson |
| 43% | INGEMAR | 7 | Former world heavyweight champion Johansson |
| 43% | JESS | 4 | Old boxing heavyweight champion, ___ Willard |
| 43% | ALI | 3 | Former light heavyweight champion Laila |
| 43% | MIKEWEAVER | 10 | 1980-82 WBA Heavyweight champion |
| 43% | MIKE | 4 | Former World heavyweight champion ___ Tyson |
| 42% | INGEMAR | 7 | ___ Johansson, 1959-60 world heavyweight champion |
| 42% | BOTHA | 5 | Francois —, 2009-10 WBF Heavyweight champion |
| 42% | TUBBS | 5 | Tony —, 1985-86 WBA Heavyweight champion |
| 42% | KLITSCHKO | 9 | Wladimir —, 2008-15 WBO heavyweight champion |
| 42% | BRUNOGIRARD | 11 | 2001-03 WBA Light Heavyweight champion |
| 42% | CHAGAEV | 7 | Ruslan —, 2007-09 WBA Heavyweight champion |
| 42% | BREWSTER | 8 | Lamon —, 2004-06 WBO Heavyweight champion |
| 42% | RUIZ | 4 | John —, 2004-05 WBA Heavyweight champion |
| 42% | TYSON | 5 | Mike —, 1987-90 WBA Heavyweight champion |
| 42% | TONYTUBBS | 9 | WBA Heavyweight champion from 1985-86 |