Preston Simpson
Trophy Case
4 GoldNAGA 2 · AGF 1 · JJWL 1The Roll Up
Fighter Intelligence
5 TournamentsGet notified when Preston Simpson's rankings update
Advanced Analytics
AI CalculatedGrowth Trajectory
DVIWin Quality
Format Split
BALANCEDSegment Analysis
Malegrey BeltAges 6-729,089 FightersRanked #1727 of 29,089 grey belts. 86% win rate across 14 matches.
Fighter History
| Result | Fighter | JITS | Video |
|---|---|---|---|
| L | 5404-130 | ||
| W | 1388+300 | ||
| W | 1043+280 | ||
| W | 1388+530 | ||
| W | 1043+160 | ||
| W | 1503+490 | ||
| W | 1011+260 | ||
| W | 2442+370 | ||
| W | 1007+480 | ||
| L | 4813-480 |
From Stoic BJJ
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Stats verified from completed tournaments only, may not represent a fighter's true record.
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About
Preston Simpson is a Grey belt from Stoic BJJ in Mansfield, TX competing across 5 tournaments. His 50% submission rate ranks 5 points above the 45% belt average, placing him in the top 6% of Grey belts for finishing efficiency. Simpson has secured 4 gold medals, 2 silver, and 4 bronze across 10 total medals, with a dominant 86% win rate that nearly doubles the 50% belt average.
All 12 of Simpson's wins came against higher-rated opponents, including an upset victory over Caprianna Decaro (669-point gap). His development velocity index sits at -25.3 pts/month, ranking him in the 17th percentile for competitive trajectory. Simpson competes across AGF, JJWL, and NAGA events, with a notable 2025 Gi rating versus a 1025 No-Gi rating across his 14 total matches since debuting in 2025.