Jeffrey Cummings vs Marcelo Mafra
Jeffrey Cummings and Marcelo Mafra have met 2 times in recorded professional competition. Marcelo Mafra leads the series 2–0.
| Year | Result | Method | Event |
|---|---|---|---|
| 2017 | Marcelo Mafra | Points | Chicago Sp. Open |
| 2017 | Marcelo Mafra | Points | IBJJF Chicago Spring Open |