Yushin Okami: Thunder — Fighter Profile, Career & Legacy
- Dana Black
- May 9
- 11 min read
Introduction
Yushin "Thunder" Okami is a former UFC Middleweight Title Challenger (UFC 134 vs Anderson Silva, August 2011), the most-successful Japanese fighter in UFC history with 14 UFC career wins across 21 UFC appearances, and one of the most well-traveled MMA athletes in promotion history (UFC, PRIDE, Pancrase, M-1 Global, WSOF, PFL, DEEP, ONE Championship, Shooto). The Kanagawa, Japan-born judo-and-wrestling specialist — Wajyutsu Keishukai foundational product, judo black belt and BJJ black belt, two-time Japan ADCC Open Weight qualifier — turned professional in MMA in 2002 at age 21 and continues to compete in Japanese Shooto promotion at age 44. He is widely cited as one of the greatest Japanese mixed martial artists of all time and the foundational Japanese-fighter-in-UFC pop-culture figure who paved the way for the next generation of Asian fighters in the UFC.
Contents
Quick Stats
Nickname: Thunder
Age: 44 (born July 21, 1981)
Height: 6'2" (188 cm)
Reach: 76" (193 cm)
Weight Class: Middleweight (185 lb), Welterweight (170 lb), Light Heavyweight (205 lb)
Stance: Orthodox
Team: Wajyutsu Keishukai (Tokyo, Japan)
Pro MMA Record: Approximately 38 wins, 15 losses (last fight Shooto Pro 2024 Vol. 8)
Background
Born July 21, 1981 in Kanagawa, Japan. Okami's first martial art was judo — he dreamed of competing in the Olympics in judo as a young athlete before his interest shifted to pro wrestling and eventually mixed martial arts. He attempted to enter New Japan Pro-Wrestling on two occasions but failed the admission tests both times — he was subsequently introduced to Wajyutsu Keishukai (a foundational Japanese MMA gym), where his MMA training career began.
He turned professional in MMA in July 2002 at age 21 — winning his pro debut against Hidehisa Matsuda by R1 TKO at the preliminary card of Pride The Best Volume 2. He won the pre-PRIDE 4 amateur tournament and competed in PRIDE Bushido 2 in February 2004 (winning the event). He has competed in the UFC, PRIDE, Pancrase, M-1 Global, World Series of Fighting (WSOF), Professional Fighters League (PFL), DEEP, ONE Championship, and Shooto across his 23-year career — making him one of the most well-traveled Japanese MMA athletes in promotion history. He resides in Japan and is signed to LDH (Love + Dream + Happiness) management.
Fighting Style
Judo-and-wrestling-driven championship-level grappling control combined with championship-pace striking. Okami's pattern is textbook Wajyutsu Keishukai — judo black belt foundation combined with championship-level wrestling, Brazilian Jiu-Jitsu black belt grappling, and the highest-output ground-control of his championship-era prime years. He won the Japan ADCC qualifier in the Open Weight class twice — making him one of the most-credentialed Japanese submission grapplers ever to compete in MMA. The August 2010 UFC 122 unanimous-decision win over Nate Marquardt to earn his UFC Middleweight Championship title shot, the multiple top-five UFC middleweight rankings across his championship-era prime years, and the foundational Japanese-fighter-in-UFC pop-culture status are the canonical examples of his championship-level fighting arsenal.
His weakness across his championship-era prime years was knockout durability against the modern UFC middleweight knockout artist tier. The August 2011 UFC 134 R2 TKO loss to Anderson Silva (the title-defending finish in Brazil), the September 2017 UFC Fight Night R1 submission loss to Ovince St. Preux (his UFC return after 4-year layoff), the December 2018 UFC on FOX loss to Jared Cannonier, and the September 2013 UFC release after his 13-loss-history-with-the-promotion stretch reflected variations of the same pattern. Within his championship-era prime years from 2006 to 2011, however, his arsenal was the technical floor of UFC middleweight title-contender competition — the first Japanese fighter to win four consecutive UFC fights, multiple top-five UFC middleweight rankings, and the foundational moment of Japanese-fighter-in-UFC pop-culture branding.
Career Highlights
July 2002 — Pro MMA debut at Pride The Best Vol. 2 vs Hidehisa Matsuda. Won by R1 TKO.
February 2004 — PRIDE: Bushido 2 champion.
2006 — Rumble on the Rock 175 lb tournament; faced Anderson Silva in opening round, won by DQ (illegal upkick).
August 26, 2006 — UFC debut at UFC 62 vs Alan Belcher. Won by unanimous decision.
October 14, 2006 — UFC 64 vs Kalib Starnes. Won by R3 TKO.
December 30, 2006 — UFC 66 vs Rory Singer. Won by R3 submission due to strikes.
April 7, 2007 — UFC 69 vs Mike Swick. Won by unanimous decision; first Japanese fighter to win 4 consecutive UFC fights.
August 25, 2007 — UFC 73 vs Rich Franklin. Lost by unanimous decision; first UFC career loss.
October 25, 2009 — UFC 104 vs Chael Sonnen. Lost by unanimous decision (later trained at Team Quest with Sonnen for one month).
August 28, 2010 — UFC 122 vs Nate Marquardt. Won by unanimous decision; #1 contender for UFC Middleweight Championship.
August 27, 2011 — UFC 134 vs Anderson Silva 2. Lost UFC Middleweight Championship by R2 TKO in Brazil.
December 29, 2012 — UFC 155 vs Alan Belcher 2. Won by unanimous decision.
September 27, 2013 — Released from UFC after Ronaldo "Jacare" Souza loss.
March-November 2014 — WSOF tenure; lost WSOF 15 to David Branch for WSOF Middleweight Championship.
September 2015 — WSOF 24 vs Jon Fitch. Lost by unanimous decision.
July 2017 — Inaugural PFL: Everett vs Andre Lobato. Won by unanimous decision.
September 22, 2017 — UFC return at UFC Fight Night vs Ovince St. Preux. Lost by R1 submission.
April 14, 2018 — UFC on FOX vs Dhiego Lima. Won by unanimous decision; became most-Japanese-UFC-wins record holder (14).
December 2018 — UFC career-ending stretch.
February 2019 — Signed with ONE Championship.
May 2019 — ONE: For Honor vs Kiamrian Abbasov. Lost.
October 2019 — ONE Championship vs Agilan Thani. Won by decision.
August 2019 — ONE Championship vs James Nakashima. Lost by decision.
November 2022 — Final ONE Championship fight vs Aung La N Sang.
December 2, 2023 — Shooto comeback vs Jae Young Kim. Won by split decision.
November 30, 2024 — Professional Shooto 2024 Vol. 8 vs Jae Young Kim 2.
Notable Fights & Rivalries
vs Anderson Silva (Rumble on the Rock 2006, UFC 134 2011)
Okami's career-defining rivalry and one of the most-watched UFC middleweight title fight series. The first meeting at Rumble on the Rock 2006 ended with Okami winning by DQ — Anderson Silva landed an illegal upkick on a downed Okami (knees on the ground), and the referee disqualified Silva. The rematch was the UFC 134 main event on August 27, 2011 in Rio de Janeiro, Brazil — Silva's UFC Middleweight Championship title defense in his home country. Silva defended the title by R2 TKO in front of 14,000+ Brazilian fans. The two-fight series is one of the most-discussed UFC middleweight career-recovery narratives. Silva was inducted into the UFC Hall of Fame Modern Wing in 2023.
vs Chael Sonnen (UFC 104, 2009)
Okami's most-watched UFC career fight against the future UFC Middleweight Title Challenger Chael Sonnen. Sonnen defeated Okami by unanimous decision (30-27 across all three judges) at UFC 104 on October 25, 2009. Notably, after the fight, Okami trained at Team Quest with Sonnen for a month — Sonnen subsequently described the experience in interviews, calling Okami "the one fighter whom I never want to fight again" and citing Okami's training-camp dominance over him during their month together. Sonnen went on to challenge Anderson Silva for the UFC Middleweight Championship in August 2010 (UFC 117) and August 2012 (UFC 148), losing both times.
vs Nate Marquardt (UFC 122, 2010)
Okami's most-watched UFC career win. He defeated Nate Marquardt — former Pancrase Middleweight Champion and 2007 UFC Middleweight Title Challenger — by unanimous decision at UFC 122 on November 13, 2010 in Oberhausen, Germany. The result was the foundational moment of Okami's path to a UFC Middleweight Championship title shot — and the win earned him the Anderson Silva title fight at UFC 134 in Brazil eight months later. Marquardt has subsequently retired from MMA after a regional career.
vs Mike Swick (UFC 69, 2007)
Okami's career-defining UFC win that established him as a championship-level UFC middleweight contender. He defeated Mike Swick — riding a 5-fight UFC win streak at the time and undefeated in the UFC — by unanimous decision at UFC 69 in April 2007. The result was Swick's first defeat inside the UFC and Okami's fourth consecutive UFC win — making him the first Japanese fighter to win four consecutive UFC fights in promotion history. The fight was the foundational moment of Okami's championship-era prime years.
Championships & Accolades
Most-successful Japanese fighter in UFC history — 14 UFC career wins across 21 UFC appearances (1 UFC Middleweight Championship title shot).
First Japanese fighter to win 4 consecutive UFC fights (2006-2007: Belcher, Starnes, Singer, Swick).
UFC Middleweight Title Challenger (UFC 134 vs Anderson Silva, August 2011 in Brazil).
WSOF Middleweight Title Challenger (WSOF 15 vs David Branch, November 2014).
PRIDE: Bushido 2 champion (February 2004).
Pre-PRIDE 4 amateur tournament champion.
Japan ADCC Open Weight qualifier — won twice.
Brazilian Jiu-Jitsu Black Belt and Judo Black Belt.
Career professional MMA record approximately 38-15 across 23-year career (2002-present).
Career UFC wins over Alan Belcher (twice), Mike Swick, Rich Franklin in their UFC 73 fight (loss), Nate Marquardt, Mark Munoz, and Buddy Roberts.
ONE Championship Welterweight Title contender career.
Multiple top-5 UFC middleweight ranking placements during championship-era prime years.
Foundational Japanese-fighter-in-UFC pop-culture figure paving the way for next generation of Asian fighters.
Current Status
Active in Japanese MMA. Okami departed ONE Championship in 2022 after his final ONE Championship fight against Aung La N Sang in November 2022 and returned to the Japanese Shooto promotion (where he had competed earlier in his career). His Shooto comeback began on December 2, 2023 at Shooto: Professional Shooto 2023 Vol. 8 with a split-decision win over South Korean fighter Jae Young Kim — his first Shooto win since 2005.
He competed again at Professional Shooto 2024 Vol. 8 on November 30, 2024 — his most recent professional MMA bout. Now 44 years old, Okami continues to train at Wajyutsu Keishukai in Tokyo and is widely considered the most-successful Japanese fighter in UFC history. He is signed to LDH (Love + Dream + Happiness) management. He maintains an unbeaten record against Japanese opponents and continues to pursue Japanese Shooto title competition. He remains the foundational Japanese-fighter-in-UFC pop-culture figure paving the way for the next generation of Asian fighters in the UFC.
Fun Facts
Has 14 UFC career wins across 21 UFC appearances — the most-successful Japanese fighter in UFC history by total UFC wins.
Was the first Japanese fighter to win 4 consecutive UFC fights — his 2006-2007 streak over Alan Belcher, Kalib Starnes, Rory Singer, and Mike Swick is widely cited as the foundational moment of Japanese-fighter-in-UFC pop-culture branding.
His first martial art was judo — he dreamed of competing in the Olympics in judo as a young athlete before his interest shifted to pro wrestling and eventually MMA.
Failed the New Japan Pro-Wrestling admission tests twice before being introduced to Wajyutsu Keishukai — making him one of the foundational "failed-pro-wrestler-to-UFC-superstar" career-arc figures in Japanese MMA history.
Has competed in the UFC, PRIDE, Pancrase, M-1 Global, WSOF, PFL, DEEP, ONE Championship, and Shooto across his 23-year career — making him one of the most well-traveled Japanese MMA athletes in promotion history.
Trained at Team Quest with Chael Sonnen for one month after his UFC 104 loss to Sonnen — Sonnen subsequently called Okami "the one fighter whom I never want to fight again" and cited Okami's training-camp dominance over him.
Has won the Japan ADCC Open Weight qualifier twice — making him one of the most-credentialed Japanese submission grapplers ever to compete in MMA.
His August 2011 UFC 134 main-event loss to Anderson Silva for the UFC Middleweight Championship was held in Rio de Janeiro, Brazil in front of 14,000+ Brazilian fans — making him the first Japanese fighter to challenge for the UFC Middleweight Championship in modern UFC history.
Continues to compete at age 44 in Japanese Shooto promotion — his December 2023 split-decision win over Jae Young Kim was his first Shooto win since 2005 (an 18-year gap).
Legacy / Verdict
Yushin "Thunder" Okami is the most-successful Japanese fighter in UFC history and the foundational Japanese-fighter-in-UFC pop-culture figure paving the way for the next generation of Asian fighters in the UFC. The 14 UFC career wins across 21 UFC appearances, the first-Japanese-fighter-to-win-4-UFC-fights distinction (2006-2007), the August 2011 UFC 134 UFC Middleweight Championship title shot in Brazil against Anderson Silva, the multiple top-five UFC middleweight rankings across his championship-era prime years, the November 2014 WSOF Middleweight Championship title challenge against David Branch, the foundational Wajyutsu Keishukai training base, the 23-year career across UFC-PRIDE-Pancrase-M-1-WSOF-PFL-ONE Championship-Shooto promotions, the judo black belt and BJJ black belt credentials, and the two-time Japan ADCC Open Weight qualifier titles together place him in the conversation for greatest Japanese MMA athlete of all time. The judo-and-wrestling-driven championship-level grappling control pattern is one of the most-replicated Japanese MMA technical contributions of the late 2000s and 2010s.
What complicates the legacy is the post-2011 stretch — the August 2011 UFC 134 R2 TKO loss to Anderson Silva that closed the UFC Middleweight Championship title-shot opportunity, the September 2013 UFC release after the Jacare Souza loss, the November 2014 WSOF 15 title-fight loss to David Branch, the September 2017 UFC return loss to Ovince St. Preux by R1 submission, and the post-2018 ONE Championship career stretch that did not produce a championship win. The competitive resume is permanent and the championship-era prime years are settled. The legacy as the most-successful Japanese fighter in UFC history and the foundational Japanese-fighter-in-UFC pop-culture figure is permanent — and the still-active Shooto career at age 44 is one of the longest-active competitive MMA careers in modern Japanese MMA history.
Frequently Asked Questions
Is Yushin Okami still fighting?
Yes — he continues to compete as a 44-year-old veteran in Japanese MMA. He returned to the Shooto promotion in December 2023 after departing ONE Championship in 2022, winning a split decision over Jae Young Kim at Professional Shooto 2023 Vol. 8. He competed again at Professional Shooto 2024 Vol. 8 in November 2024. He is widely considered the most-successful Japanese fighter in UFC history with 14 UFC career wins across 21 UFC appearances (1 UFC Middleweight Championship title shot).
What is Yushin Okami's professional MMA record?
Approximately 38 wins, 15 losses, and 0 draws across his 23-year career from 2002 to present. He competed in the UFC, PRIDE, Pancrase, M-1 Global, World Series of Fighting (WSOF), Professional Fighters League (PFL), DEEP, ONE Championship, and Shooto across his career — making him one of the most well-traveled Japanese MMA athletes in promotion history. His UFC career record was 14-7 across 21 UFC appearances.
Did Yushin Okami fight Anderson Silva?
Yes — twice. The first meeting was at Rumble on the Rock 2006 in the opening round of the welterweight tournament; Silva landed an illegal upkick on a downed Okami and was disqualified, giving Okami the DQ win. The rematch was at UFC 134 on August 27, 2011 in Brazil for the UFC Middleweight Championship — Silva defended the title by R2 TKO. The two-fight series remains one of the most-discussed Anderson Silva career-recovery narratives.
How many UFC wins does Yushin Okami have?
Fourteen — making him the most-successful Japanese fighter in UFC history by total wins. He competed in 21 UFC fights across his UFC tenure (2006-2013, plus a 2017-2018 return) and went 14-7 in the UFC. He was the first Japanese fighter to win four consecutive UFC fights (2006-2007 streak vs Belcher, Starnes, Singer, and Mike Swick).
What style does Yushin Okami fight?
Judo-and-wrestling-driven championship-level grappling control combined with championship-pace striking. Okami's pattern is textbook Japanese MMA — judo black belt foundation combined with championship-level wrestling, BJJ black belt grappling, and the highest-output ground-control of his championship-era prime years. He won the Japan ADCC qualifier in the Open Weight class twice. The August 2010 UFC 122 unanimous-decision win over Nate Marquardt to earn his title shot, the multiple top-five UFC middleweight rankings across his championship-era prime years, and the foundational Japanese-fighter-in-UFC pop-culture status are the canonical examples of his championship-level fighting arsenal.
Where is Yushin Okami from?
Born July 21, 1981 in Kanagawa, Japan. Okami's first martial art was judo — he dreamed of competing in the Olympics in judo before his interest in pro wrestling and eventually MMA. After failing the New Japan Pro-Wrestling admission tests twice, he was introduced to Wajyutsu Keishukai which became his foundational MMA training base. He resides in Japan and is widely considered one of the most-watched Japanese MMA athletes of all time. He is signed to LDH (Love + Dream + Happiness) management.
References
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