Champions
| Champion | Won | Lost | Days |
|---|---|---|---|
| Costello van Steenis | 20 Mar 2026 | Current | 214 |
| Johnny Eblen | 19 Oct 2024 | 20 Mar 2026 | 517 |
| David Branch | 15 Nov 2014 | 30 Mar 2019 | 1,596 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.