TournamentNAGA Boston Grappling Championship - Feb 2026
[ grey / youth ]MA
Jackson Duff
Jits
2,573Elite
~527 Jits to Prodigy
-140Last event: Feb 28, 2026
#8,567
Overall
Top 10%
Percentile
#3,737
grey Belt
Record
22-2448% Win Rate
22 Wins24 Losses
L
W
W
L
W
3-2 Last 5
Trophy Case
3 GoldNAGA 3Fighter Intelligence
9 TournamentsMedals
12Medals
across 9 tournaments
Gold 4
Silver 8
Bronze 0
33% Gold Rate
Belt Avg 38%
What this means33% of tournament entries result in gold — 5 points below the belt average. Strong medal conversion with room to grow.
Finishing Ability
38%
Subs
Submission 10
Points 12
Other 4
Belt Avg 60%
-22 pts vs belt avg
What this means38% of wins by submission — 22 points below the belt average. This fighter wins primarily through points and decisions.
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Advanced Analytics
AI CalculatedGrowth Trajectory
DVIHolding Steady
Competitive — holding steady
Growing faster than 60% of peers
Win Quality
Consistent
Clutch Score: +2.9%
26
Close Wins
24
Losses
Best win: Beat Jayla Royalty Rack (199 pts higher)
50 matches analyzed
Format Split
BALANCED25 Gi21 NoGi
Gi
12W-13L48%
NoGi
10W-11L48%
Sub Rate
Gi 24%NoGi 19%
0% win rate delta — Gi stronger
Segment Analysis
Malegrey BeltAges 8-929,089 FightersComparing to 29,089 grey belt fighters
Win Rate
52%avg 64%
AVG
-12 pts vs avg
Sub Rate
38%avg 60%
AVG
-21 pts vs avg
Gold Rate
22%avg 38%
AVG
-16 pts vs avg
What This Means
Ranked #3737 of 29,089 grey belts. 52% win rate across 50 matches.
Tale of the Tape
Fighter History
46 matches
| Result | Fighter | JITS | Video |
|---|---|---|---|
| L | 3912-110 | ||
| W | 1145+80 | ||
| W | 1157+60 | ||
| L | 1665-260 | ||
| W | 1157+90 | ||
| L | 7727-30 | ||
| L | 4153-110 | ||
| W | 1077+90 | ||
| L | 2951-330 | ||
| L | 10906-20 |
From Kaizen Bruno Jacaré B9
See all →Rival Fighters
Scouting Report
Data Sources
Matches46
Placements12
Tournaments9
Medals🥇 4🥈 8
Sources
NAGAGRAPAGF
First MatchJan 2025
Last MatchFeb 2026
Stats verified from completed tournaments only, may not represent a fighter's true record.
FloGrappling Videos
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Similar Fighters
About
Jackson Duff is an experienced grey belt competitor from Kaizen Bruno Jacaré B9 in MA with 50 matches across 9 tournaments. Holds a 26-24 record with 4 gold, 8 silver medals. Competing since 2025.
Frequently Asked Questions
Jackson Duff has a 26-24 competition record across 50 matches in 9 tournaments.
Jackson Duff is ranked #8567 overall and #3737 among grey belt competitors on Jits.gg.
Jackson Duff has earned 4 gold, 8 silver medals across 9 tournaments.
Jackson Duff trains at Kaizen Bruno Jacaré B9 and competes as a grey belt.
Jackson Duff has a 38% submission rate and a 52% win rate across 50 matches.
Jackson Duff is ranked #3737 among grey belt competitors on Jits.gg.
Jackson Duff's current Jits rating is 2573. Use the Rating Simulator on Jackson Duff's profile to see how a win or loss against any opponent would affect their rating. Factors include opponent strength, match method (submission vs points), and margin of victory.