John Rosson
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Malegrey BeltAges 16-1829,089 FightersRanked #5682 of 29,089 grey belts. 47% win rate across 19 matches.
Fighter History
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| W | SUB | 1060+310 | Laviano Jiu Jitsu | Grey Teen 14-15 · Middle II | NoGi | Jan 31, 2026 | |||
| W | SUB | 1060+270 | Laviano Jiu Jitsu | Grey Teen 14-15 · Middle II | NoGi | Jan 31, 2026 | |||
| W | SUB | 1090+340 | Laviano Jiu Jitsu | White Teen 14-15 · Middle II | Gi | Jan 31, 2026 | |||
| W | SUB | 1090+310 | Laviano Jiu Jitsu | White Teen 14-15 · Middle II | Gi | Jan 31, 2026 | |||
| L | SUB | 1090-1340 | Laviano Jiu Jitsu | White Teen 14-15 · Middle II | Gi | Jan 31, 2026 | |||
| W | SUB | 1639+320 | Checkmat Daphne | White Beginner · 14-15 · 115-130 | NAGAU.S. National | NoGi | Jul 12, 2025 | ||
| W | SUB | 1639+370 | Checkmat Daphne | White Beginner · 14-15 · 115-130 | NAGAU.S. National | NoGi | Jul 12, 2025 | ||
| L | SUB | 1639-1420 | Checkmat Daphne | White Beginner · 14-15 · 115-130 | NAGAU.S. National | Gi | Jul 12, 2025 | ||
| L | SUB | 1639-820 | Checkmat Daphne | White Beginner · 14-15 · 115-130 | NAGAU.S. National | Gi | Jul 12, 2025 | ||
| W | SUB | 1639+420 | Checkmat Daphne | White Beginner · 14-15 · 115-130 | NAGAU.S. National | Gi | Jul 12, 2025 |
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About
John Rosson is a Grey belt from Bayside Jiu Jitsu competing with a 47% win rate across 19 matches since 2025. His 100% submission rate ranks in the top 4% of Grey belts—55 points above the 45% belt average—and he has earned 4 gold medals in 5 tournaments. Rosson holds a JITS rating of 3377, placing him at #773 among Grey belts and #1467 globally in the 96th belt percentile.
All 9 of Rosson's wins came against higher-rated opponents, including a 585-point upset victory over Felipe Gonzalez. His development velocity index ranks at the 71st percentile, indicating building_momentum in his competitive trajectory. Rosson competes across AGF and NAGA events, with stronger performance in no-gi formats (1225 rating) than gi competition (1050 rating), and his best tournament results include 2 golds at the 2026 AGF Tallahassee Championships.