
Outbox Jiu Jitsu Fit is your home for Brazilian Jiu Jitsu in Knoxville, TN. Build confidence, fitness, and real self-defense skills with expert coaching.
Looking for a broader overview of martial arts options in Knoxville? Explore our martial arts Knoxville page.
Improve your physical fitness while benefitting from:


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Want to compare our adult and kids programs first? See our martial arts Knoxville overview.
Outbox Jiu Jitsu Fit offers 18 classes a week at the best price for world class level instruction
No registration fees — ever
Flexible training schedule to fit your life
Family-friendly environment for all ages

Samuel Braga built his academy with a simple promise to Knoxville: teach real Brazilian Jiu Jitsu with the same attention to detail he expects from himself on the mats. He grew up around the discipline of martial arts and learned early that progress is not about shortcuts; it is about consistent practice, patient coaching, and a respectful culture. That mindset shapes every class at Outbox Jiu Jitsu Fit.
BJJ in Knoxville has evolved, and the community now looks for more than a good workout. People want a place where they can learn practical self-defense, improve their health, and belong to a team that celebrates their progress. Samuel built Outbox as a welcoming gym where beginners start with fundamentals and experienced students can sharpen advanced details.
The heart of the academy is the culture. You will see families training together, kids learning discipline and confidence, and adults finding a new sense of purpose in their fitness routine. Samuel's approach to coaching is rooted in respect and accountability. He pushes students to do hard things, but he also makes sure they understand the “why” behind each lesson.
Knoxville is a growing city, and Outbox Jiu Jitsu Fit aims to be a place where that growth becomes personal. If you are searching for BJJ in Knoxville that blends expert instruction with genuine care, Samuel Braga's academy is built for you. Come see the difference a focused, student-first culture can make.



1 free week + brand-new T-shirt. No credit card required.
No experience is needed. Our beginner-friendly classes teach fundamentals step by step, so you can build confidence from day one. Coaches explain techniques clearly and make sure you feel supported as you learn.
Wear comfortable athletic clothing, like a t-shirt and shorts or leggings. If you have a gi, bring it, but it is not required for your first session. We provide guidance on gear once you decide to continue.
Yes. Our kids program emphasizes control, respect, and safe training habits. Classes are structured with age-appropriate drills and close coaching to help children build confidence, focus, and coordination.
Most students see progress with two to three classes per week. Consistency matters more than intensity. Training regularly helps improve fitness, technique, and confidence over time.
Yes. We offer a free week so you can experience the training and meet our coaches. If you are ready to start, click the “Get Started Today” button and we will help you choose the best program.
Our focus is high-quality coaching, a welcoming culture, and a clear path for every student. Whether your goal is self-defense, fitness, or competition, you will receive personal guidance and a supportive team environment.
See what students and families are saying about training with us.
“This is a wonderful place. Everyone there tries their best to help you succeed in all levels of your life. I would recommend this place to anyone that wants to improve in any area of li…”
Matthew McCormick
“Amazing place to train. One big family. Come learn from the GOAT, multiple-time world champion Samuel Braga.”
Josh Huffstetler
“Great atmosphere, instruction, and training partners. Samuel Braga is a multi-time IBJJF World Champion and he brings his passion and high-level technical expertise to every class.”
Peter McKay
Tips, beginner guides, and local training advice for jiu jitsu in Knoxville, TN.
Jiu Jitsu improves mobility, balance, and body control while keeping training fun and engaging for all levels.
Kids Jiu Jitsu helps children develop confidence, discipline, resilience, and focus that carry into school, friendships, and everyday life.
Searching for the best martial arts for kids in Knoxville? Here is why Brazilian Jiu Jitsu helps children build confidence, discipline, and real-life problem-solving skills.