ONE · MMA
ONE Flyweight Submission Grappling Championship
No champion on record.
Champions
| Champion | Won | Lost | Days |
|---|---|---|---|
| Mikey Musumeci | 14 Jan 2023 | 8 Jun 2024 | 511 |
Built from title bouts on record. Vacated or stripped titles are not visible in bout results, so very recent changes can lag.