Our Champions
Bred in Pittsburg.
Built for the World Stage.
The Lion's Den doesn't just train boxers — it produces them. Here's the proof.
🏆 Golden Boy Promotions
Lion's Den's Own
Amari
"The Reaper"
Jones
Undefeated Middleweight · Pittsburg, CA
IBF #13 Middleweight
160 lbs
88% KO Rate
Trainer: Virgil Hunter
Golden Boy Promotions
"Amari is one of the best fighters I have trained since Andre Ward. He has all the makings to become a World Champion and stay there."
— Virgil Hunter, Trainer (Andre Ward · Andre Berto · Amir Khan)
"With world-class trainer Virgil Hunter in his corner, the full support of the Bay Area behind him, and the raw talent that's kept him undefeated — no one will be able to avoid him."
— Oscar De La Hoya, CEO, Golden Boy Promotions
Recent Fight Log
vs. Luis Arias
Barrios vs. Garcia PPV — T-Mobile Arena, Las Vegas
vs. Shady Gamhour
Golden Boy Debut — Fort Worth, TX
vs. Kyle Lomotey
Haney Promotions Card
IBF World Rankings
#13 — Middleweight Division
International Boxing Federation · Updated 2025
Our Coaches & Rising Fighters
🏅
Danilo Jacob Garcia
Head CoachUSA Boxing Certified
USA Boxing certified coach and the backbone of the Lion's Den training program. Coach Garcia brings the technical discipline and competitive structure that has produced some of the East Bay's most promising fighters.
🥊
Kaylee Ann Knight
ProfessionalUndefeatedCoach
Now a professional boxer and coach leading our all-girls program — proof that the Den develops champions at every level, not just fighters.
⭐
Kaiden Yeager
Youth ProspectFuture Pro
"This kid has everything it takes." Joined as a beginner, now one of the most promising young fighters in the East Bay — a direct product of Coach Garcia's development system.
Train Where Champions Train — Claim Your Free Week →
Programs
Every Level.
One Gym.
USA Boxing certified coaching for youth and adults — fitness classes, amateur development, and a pro track with a proven record of results.
🥊
Youth Boxing
Ages 7–17
Where champions are made. Our youth program instills discipline, confidence, and technique from day one. USA Boxing certified coaches with a proven track record of developing elite amateurs — including Golden Boy Promotions signees.
USA Boxing Certified
Ages 7–17
Amateur Prep
Character Building
Enroll Free →
👊
Adult Boxing
Ages 18+
Learn the sweet science from the ground up. Footwork, combinations, defense, ring IQ — whether you want to compete or just get the best workout of your life, we build real boxers. No gimmicks, no shortcuts.
All Levels
Fitness + Competition
Sparring Available
18+
Enroll Free →
🏋️
Boxing Fitness
All Ages
Get in the best shape of your life without stepping in the ring. High-intensity training rooted in real boxing technique — heavy bags, mitts, footwork, and conditioning. Not cardio-kickboxing. The real thing.
No Contact Option
Weight Loss
Conditioning
Stress Relief
Enroll Free →
🏆
Elite / Pro Track
By Assessment
Serious about turning pro? Our elite track is built for fighters with their eyes on a title. We've produced an IBF-ranked Golden Boy Promotions signee. We know what the path looks like — and we'll get you on it.
Competitive
Fight Prep
Pro Track
Corner Service
Apply Now →
❤️
We're a 501(c)3 Nonprofit
No kid in Pittsburg should be turned away because of money. The Lion's Den runs on community support — annual toy drives, Thanksgiving turkey giveaways, and scholarship memberships for families who need them. Ask us about financial assistance when you call or visit.
Class Schedule
The Den Is Open.
Monday–Thursday.
Regular classes run Monday through Thursday, 4:00 PM – 8:00 PM. Morning sessions available by appointment.
Monday
4:00 PM
Youth Fundamentals
5:00 PM
Teen Sparring Prep
Youth
Teen / Intermediate
Adult / Fitness
Elite / Pro
⏰
Morning Sessions Available by Appointment: 8:00 AM – 12:00 PM, Monday–Thursday. Call
(925) 775-9055 to book.
⏰ Hours
Mon – Thu (Classes)4:00 – 8:00 PM
Mon – Thu (Morning)By Appt
Fri – SunEvents Only
Official Partnership
The East Bay's Most
Complete Combat Alliance.
Lion's Den and Team Black MMA have officially partnered to bring the most complete combat sports training in the entire East Bay — under one alliance.
LION'S DEN
Boxing Gym
1150 Harbor St, Pittsburg CA
✦ Youth to Pro Boxing
✦ USA Boxing Certified
✦ Golden Boy Alumni Gym
✦ Nonprofit Community Gym
✦ IBF-Ranked Fighters
🥊
TEAMBLACK MMA
MMA Gym
East Bay, CA
✦ Muay Thai
✦ Brazilian Jiu-Jitsu
✦ Mixed Martial Arts
✦ Kickboxing
✦ East Bay's Premier MMA Gym
🎯
Complete Fighter Development
Boxing is the foundation. Add Muay Thai, BJJ, and MMA through Team Black to develop a complete fighter's skill set — the way pros actually train in 2025.
💳
Partnership Pricing
Lion's Den members get exclusive access to Team Black classes at special cross-training rates. Train boxing here, train everything else there — one community, two gyms.
🏆
East Bay's Best, Combined
Pittsburg's boxing legacy meets the Bay Area's premier MMA facility. Nowhere else in the East Bay offers both at this level, under one partnership.
Visit Team Black MMA
Muay Thai · Brazilian Jiu-Jitsu · MMA · Kickboxing — our official training partners for all combat sports outside the boxing ring
teamblackmma.com ↗
What Members Say
★★★★★
"Started boxing at Lion's Den, started Muay Thai at Team Black a month later. Best decision I ever made. Both gyms feel like family."
JM
Jose M.
Boxing + Muay Thai · 9 months
★★★★★
"My son trains youth boxing here and now does BJJ at Team Black on weekends. His confidence, discipline, and fitness are completely transformed."
TW
Tonya W.
Parent · Youth Program
★★★★★
"The partnership rate makes it affordable to train at both gyms. I get boxing fundamentals from the Den and MMA cross-training from Team Black. Nothing else like it in the East Bay."
RG
Ricardo G.
Boxing + MMA · 1 year
Join the Den
Your First Week
Is Free.
No contracts. No pressure. Come train, meet the family, and see for yourself why the Lion's Den produces champions.
Welcome to the Den, !
We'll be in touch at within 24 hours to confirm your first class and answer any questions.
📍 1150 Harbor St, Pittsburg · (925) 775-9055
Follow us: @thelionsdenboxinggym
