The Grappling Index
Independent, data-driven ratings for professional grappling & jiu jitsu

William Shannon

Professional grappling record · 2016–2024

As of 2026-08-17, William Shannon holds a professional record of 1–12 in the Grappling Index database.

1–12Record (W–L)
1303No-Gi rating ±199
1253Gi rating ±188
1500Peak rating (—)
20162024

Head-to-head

vs Joao Costa (3)vs Andre Porfirio (2)

Recent matches

YearROpponentMethodEvent
2024LAdemir BarretoPts: 9x0Virginia NGO
2021LLucas NoratPointsCharleston Open
2021LJoao CostaHeel HookIBJJF Orlando No-Gi International Open
2021LJose Mathias LunaGi Choke From BackIBJJF Orlando Open
2021LAndre PorfirioStraight Ankle LockIBJJF Orlando Open
2021LJoao CostaHeel HookIBJJF Orlando Summer Open No-Gi
2021WJae Peirce Mcintosh—IBJJF Pan No-Gi Championship
2021LEliot Kelly—IBJJF Pan No-Gi Championship
2021LJoao CostaHeel hookOrlando NGO
2021LAndre PorfirioBotinhaOrlando Open
2021LMatheus LunaChoke from backOrlando Open
2017LTim Spriggs—Washington Open
2016LArnaldo MaidanaOmoplataIBJJF Pan Championship