Eric Daniel Mastro vs Gregory Charles Watson
Eric Daniel Mastro and Gregory Charles Watson have met 2 times in recorded professional competition. The series is level 1–1.
| Year | Result | Method | Event |
|---|---|---|---|
| 2015 | Gregory Charles Watson | — | Melbourne International Open IBJJF Jiu-… |
| 2015 | Eric Daniel Mastro | — | Melbourne International Open IBJJF Jiu-… |