| Arnold Allen | Melquizael Costa | |
|---|---|---|
| Record | 21-4-0 | 26-8-0 |
| Wins by KO | 7 | 9 |
| KO rate | 33% | 35% |
| Age | 32 | 30 |
| Height | 175 cm | 178 cm |
| Reach | 178 cm | 180 cm |
| Stance | — | Southpaw |
| Division | Featherweight | Featherweight |
| Country | England | Brazil |
| Power Rating | 1263 | 1107 |
| Last fight | May 16, 2026 | May 16, 2026 |