Serious training. Structured development. Proven results on the mats.
WHY DUNCAN MMA IS DIFFERENT
At Duncan MMA, Brazilian Jiu Jitsu is taught as a martial art and a competitive sport. We offer high quality, serious training with structured development and PROVEN results. What makes us different?
- Structured curriculum
- Clear progression
- Live training every class
- Strong fundamentals
- Emphasis on discipline and consistency
We prepare students for tournaments — but competition is never forced.
Some of our members compete regularly.
Others train for fitness, confidence, and personal growth.
Everyone trains with intention.

At Duncan MMA, Brazilian Jiu Jitsu is taught as a martial art AND a competitive sport.
READY TO TRAIN?
Whether your goal is competition, confidence, or long-term growth — we’ll meet you where you are and help you improve.

Competition Culture
Built to Compete. Built to Improve.
We actively support students who want to test themselves:
- Gi and No-Gi preparation
- Strategy and match simulation
- Wrestling and takedown development
- Positional intensity rounds
- Coaching at local, regional, and national events
But here’s what matters:
You do not have to compete to belong here.
The competition mindset simply raises the standard for everyone.
When a school trains with sharpness and structure, even hobbyists improve faster.

A True Family Gym
Built for Families. Built for Growth.
We are proud to be a family-oriented academy.
- Kids classes focused on discipline and skill development
- Teen program for serious young grapplers
- Adult classes for beginners through advanced
- A respectful, hard-working culture
- Parents and children training under one roof
Many of our families train together.
The environment is competitive — but always supportive.
No ego. No politics. Just training.

More Than a Gym — A Team
Built on Community. Built on Commitment.
Duncan MMA is more than a place to train. It’s a team.
When you step on the mats, you’re not just another member — you’re part of a group that pushes each other to improve.
- Teammates who hold each other accountable
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Upper belts who help newer students grow
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Competitors who sharpen the room for everyone
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Families who support one another inside and outside the gym
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Coaches who invest in long-term development
The culture is serious — but welcoming.
Driven — but supportive.
Competitive — without ego.
Because strong individuals are built inside strong communities.
Home of
Duncan MMA is home to Kingsport Jiu-Jitsu, Kingsport Karate& Kickboxing, and the Kingsport Wrestling Club. Premier MMA, BJJ, and wrestling training in Kingsport, TN.
Staff
Our Instructors
Brian Duncan
Dr. Brian Duncan has been training in martial arts for 3 decades. He currently holds a 5th degree black belt in SGC Karate & Kickboxing and a purple belt in BJJ. Coach Brian also has a 2nd degree black belt in Koei-Kan Karate and a black belt in Wing Chun.
Tom Clerici
Tom Clerici is a BJJ black belt having trained under Professor Steven Bongiorno, Professor Jay Regalbuto, and Professor Chris Massie. He has prepared world-class competitors for ADCC World Championships and Trials, IBJJF World and Pan Championships, EBI Invitationals and many local and national tournaments.
Kayla Zickler
Kayla Zickler joins the Duncan MMA staff with over 6 years of coaching experience and over 20 years of wrestling experience. She is a 2012 Pan American Junior Championship in the women’s freestyle 51kg class.
Kailey Duncan
Kailey Duncan is a co-owner of Duncan MMA, a Brazilian Jiu Jitsu Blue Belt, and the Head Women’s Jiu Jitsu Coach. She also serves as an assistant instructor in our Kids BJJ program, helping develop strong fundamentals, discipline, and confidence in young athletes.
Our Results in Numbers
A School That Knows How to Prepare
