| BOWE | Riddick ?, US fighter who became WBA, WBC and IBF Heavyweight champion in 1992 (4) |
| CORY | 2003-05 WBA (Undisputed), WBC and IBF champion (4) |
| PAGE | Greg .... , boxer who became WBA world heavyweight champion in 1984 (4) |
| TATE | John ...., boxer who became WBA heavyweight champion in 1979 (4) |
| FIRE | US fighters, of a sort, penetrated firm rocks (4,10) |
| THUNDER | Jimmy ___: name taken by Samoan-born New Zealand boxer James Peau, former IBO and IBF heavyweight champion, who died in February 2020 (7) |
| JOSHUA | Anthony ...... , 2019-21 WBA (super), WBO and IBF heavyweight champion (6) |
| DELAHOYA | Oscar, boxer who became WBA and WBC juniormiddleweight champion in 2002 (2,2,4) |
| SPINKS | 2003-05 WBA (Undisputed), WBC and IBF champion (6) |
| MOORER | Michael ....... boxer who became WBA world heavyweight champion in 1994 (6) |
| SMITH | James 'Bonecrusher' ...... boxer who became WBA world heavyweight champion in 1986 (5) |
| JERRYQUARRY | US fighter beaten by Jimmy Ellis in a 1968 vacant WBA Heavyweight title contest (5,6) |
| GIABFRANCOROSI | Former WBC & IBF light-middleweight champion. (10,4) |
| OLIVA | Patrizio ..... , boxer who became WBA world lightwelterweight champ in 1986 (5) |
| OTOLOGICAL | Cause of vertigo may be this too drunk US fighter in pub (10) |
| GIBINGLY | Rocky ignobly in need of oxygen facing US fighter with a sneer (8) |
| THEPERSIANGULF | US fighter plane destroyed the Basra region (3,7,4) |
| ALI | US fighter raised in Philadelphia (3) |
| SENSUAL | Passionate US fighter rings Sun by mistake (7) |
| RIGID | Firm free to secure US fighter (5) |
