Analytics preferences

Allow privacy-masked PostHog analytics and session replay so we can see which parts of the reference are useful and where people get stuck. We never send searches, route identifiers, or form contents. Vercel's anonymous traffic and performance measurement remains active either way.

jiu-jitsu reference
AthletesEventsOrganizationsMatchesKnowledgeGraphAboutSupport

© 2026 Jiu Jitsu Reference. All rights reserved.

Apple, the Apple logo, and App Store are trademarks of Apple Inc., registered in the U.S. and other countries.

PrivacyTermsSupport

Submission Underground 11

Submission Underground

3 matches
Date
February 23, 2020
Location
Portland, Oregon
Organization
Submission Underground
Total Matches
3
Completed
3
Submissions
2
Decisions
0
Match Results
Fighters
Weight Class
Stage
Richard Martinez
W
vs
L
Jake Shields
Submission
Armbar
Feb 23, 2020
125 lbs
Main Card
Austin Vanderford ("The Gentleman")
W
vs
L
Micah Brakefield ("Mitey")
Submission
Arm Triangle Choke
Feb 23, 2020
Open
Main Card
Mike Perry
W
vs
L
Al Iaquinta
Escape Time
Feb 23, 2020
Open
Main Card