Joao Costa vs William Shannon
Joao Costa and William Shannon have met 3 times in recorded professional competition. Joao Costa leads the series 3–0.
| Year | Result | Method | Event |
|---|---|---|---|
| 2021 | Joao Costa | Heel hook | Orlando NGO |
| 2021 | Joao Costa | Heel Hook | IBJJF Orlando No-Gi International Open |
| 2021 | Joao Costa | Heel Hook | IBJJF Orlando Summer Open No-Gi |