kanji are logographic Chinese characters, adapted from Chinese family of scripts, Chinese script, used in the writing of Japanese language, Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese and are ...

for

given name A given name (also known as a forename or first name) is the part of a personal name quoted in that identifies a person, potentially with a middle name as well, and differentiates that person from the other members of a group (typically a f ...

: 留美奈) is a Japanese retired

mixed martial artist Mixed martial arts (MMA) is a full-contact fighting sport based on striking and grappling; incorporating techniques from various combat sports from around the world. In the early 20th century, various inter-stylistic contests took place t ...

, famous for his career in the

Shooto is a combat sport and mixed martial arts organization that is governed by the Shooto Association and the International Shooto Commission (ISC). Shooto was originally formed in 1985, first as a particular fighting system and then in 1989 as a ...

organization. In the past he fought mostly in the 155 lb division, but he moved down to the 145 lb division.

Mixed martial arts career

After graduating from high school, Sato had to spend a year as a ronin and started to train in

shoot wrestling Shoot wrestling is a Japanese hybrid grappling style and combat sport. Shoot wrestling incorporates techniques from various wrestling, submission grappling, kickboxing and karate styles. It was particularly inspired and influenced by catch ...

under Noboru Asahi and Noriaki Kiguchi in the Kiguchi Dojo, partnered with the

promotion. He later moved to

amateur wrestling Amateur wrestling is a variant of wrestling practiced at Olympic Games, Olympic, Collegiate wrestling, collegiate, Scholastic wrestling, scholastic, and other levels. There are two international wrestling styles performed at the Olympic Games, fr ...

after being admitted in the Nippon Sport Science University, and after graduating in 1994 and competing in the All Japan Amateur Shoot Championships, he joined professionally the company.

Shooto

After honing his submission skills under Satoru Sayama, Sato made his professional debut in MMA on December 7, 1994, winning over Michael McAuliffe with a calf slicer, the first time the move had been used in mixed martial arts. He ascended fastly in the roster by winning 10 straight matches, becoming a fan favourite for his aggressive and spectacular style of grappling.Snowden, Jonathan. ''MMA Encyclopedia'', ECW Press, 2010 As soon as his fourth match, he submitted his opponent with a flying inverted

triangle choke A triangle choke, or sankaku-jime (三角絞) in judo, is a type of figure-four chokehold that encircles the opponent's neck and one arm with the legs in a configuration similar to the shape of a triangle. Applying pressure using both legs and ...

, and at his seventh, he gained worldwide fame by submitting the Brazilian jiu-jitsu black belt Ricardo Botelho, taking advantage of his

guard Guard or guards may refer to: Professional occupations * Bodyguard, who protects an individual from personal assault * Crossing guard, who stops traffic so pedestrians can cross the street * Lifeguard, who rescues people from drowning * Prison gu ...

usage to attack him with

leglock A leglock is a joint lock that is directed at joints of the human leg, leg such as the ankle, knee or hip joint. A leglock which is directed at joints in the foot is sometimes referred to as a foot lock and a lock at the hip as a hip lock. Leglock ...

s and submit him with a heel hook. Sato also defeated another big name of the art when he beat John Lewis, who he submitted in revenge for a match at the Vale Tudo Japan which ended in a draw. Sato would become a usual fighter for this event, representing Shooto in six out of the nine years it had place. Sato's winning streak finally broke in 1998 when he lost a highly publicized match to Canadian Jiu-Jitsu Champion Joel Gerson by a surprising

armbar An armlock in grappling is a single or double joint lock that hyperextends, hyperflexes or hyperrotates the elbow joint or shoulder joint. An armpit lock is very useful; it will immobilize an opponent and pin them on the ground. An armlock t ...

in the first round of a non-title event in 1998. Sato avenged his defeat in the next Canadian Jiu-Jitsu open tournament the same year, where he faced Gerson again at the finals and submitted him with an ankle lock. After returning to Japan, Sato got also which is thought to be the fastest submission victory in MMA history when he submitted Charles Diaz in a mere five seconds with a flying armbar. At Vale Tudo Japan 1998, Sato went against André Pederneiras of the Nova União in a vale tudo rules match. Sato suffered the first takedown, but he almost caught Pederneiras with a persistent armbar. The two exchanged minor strikes in Sato's guard before the Brazilian grappler decided to stand-up, and the match seemed to go stall from their respective positions. However, suddenly Pederneiras sidestepped Sato and landed a soccer kick to the head, following with heavy punches to the face for the doctor stoppage. On May 29, 1999, he would fight former trainee

Caol Uno (born May 8, 1975) is a Japanese mixed martial arts, mixed martial artist and professional wrestler. He is the List of UFC champions#Tournament winners, Co-Champion of the List of UFC champions#Tournament winners, UFC 41 Lightweight Tournam ...

for the vacated Shooto Welterweight Championship. Sato captured Uno's back mere two minutes into the match and pursued the

rear naked choke The rear naked choke (RNC), also known as hadaka jime (裸絞) in Judo and "lion killer choke (Mata Leão)" in BJJ, is a chokehold in martial arts applied from an opponent's back. The word ''naked'' in this context suggests that, unlike other stra ...

, but despite threatening to lock the hold at several points, Uno managed to escape free. Going into the second round, Sato controlled the stand-up, opening a cut on the right side of his opponent's face and scoring a takedown, but he found himself having to defend from his guard while Uno capitalized to land

ground and pound Ground may refer to: Geology * Land, the solid terrestrial surface of the Earth * Soil, a mixture of clay, sand and organic matter present on the surface of the Earth Electricity * Ground (electricity), the reference point in an electrical circ ...

. At the third round, Uno started controlling the wrestling game and solidifying his assault to Sato's guard, and ultimately, when a clearly tired Rumina attempted a takedown, Caol took his back and locked a rear naked choke for the tap out. Sato returned to Vale Tudo Japan in 1999 fighting Rafael Cordeiro, founder and instructor for the famed Chute Boxe team. The match was short, as Rumina scored a belly to belly suplex and right after locked a kneebar, making Cordeiro tap out. Rumina rematched Uno in December 2000 for the title. In a cautious and tentative affair, Sato captured the back of his opponent while standing and attempted to lock a choke while Uno defended with a

Kimura lock An armlock in grappling is a single or double joint lock that hyperextends, hyperflexes or hyperrotates the elbow joint or shoulder joint. An armpit lock is very useful; it will immobilize an opponent and pin them on the ground. An armlock tha ...

threat, but none was successful. However, when Sato finally released him, Uno capitalized on his bad position and landed a knee strike to the face and a right punch to the temple, knocking Sato out. After his second defeat to Uno, Sato faced Marcio Ramos Barbosa of Barbosa Jiu-Jitsu, who had submitted Caol before the rematch. Sato won the fight by unanimous decision. In December 2001, Sato faced rising star Takanori Gomi for the vacated Shooto World Lightweight Championship. Playing clinch to avoid his foe's dangerous striking, Rumina led the fight to the mat and besieged Gomi with submissions attempts, including

s both from and against the guard, toeholds from inverted positions and an omoplata that almost finished the fight, but Takanori was consistently able of getting out of them. The second round saw Gomi landing damaging punches, as well as Sato utilizing an active guard to counterattack, and the striker eventually bypassing his defenses and controlling the pace. Come the third and final, Gomi landed the last punches against the guard before winning the bout by unanimous decision. Despite

PRIDE Fighting Championships PRIDE Fighting Championships (Pride or Pride FC, founded as KRS-Pride) was a Japanese mixed martial arts promotion company. Its inaugural event was held at the Tokyo Dome on October 11, 1997. Pride held more than sixty mixed martial arts even ...

and

Ultimate Fighting Championship The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promoter (entertainment), promotion company based in Las Vegas, Nevada. It is owned and operated by TKO Group Holdings, a majority owned subsidiary of Endeavor ( ...

being both interested in signing him up, Rumina famously vowed to never compete in any other organization than Shooto (unless representing Shooto in special matches) until he won a title there. He won the Shooto Pacific Rim Lightweight Tournament on March 11, 2005, from Makoto Ishikawa, but still remained in the promotion until his retirement in May 2014. On July 10, 2009, Sato competed in a grappling super fight at the UFC 100 Fan Expo Grappler's Quest against Ulysses Gomez, winning by submission with an inverted triangle choke/wrist lock combination.

Fighting style

Sato was primarily a grappler whose main strength was found in his offensive skills. He would attempt submissions relentlessly from unusual positions and entries, and was prone to try and often accomplish low percentage moves, among them flying holds, intricate

s, and several variations of

s, which he utilized to set up

and other submissions. His technique was praised by

Rickson Gracie Rickson Gracie (; born November 21, 1959) is a Brazilian retired mixed martial artist. He is a member of the Gracie family: the third oldest son of Hélio Gracie, brother to Rorion and Relson Gracie, and half-brother to Rolker, Royce, Robin ...

, labelling it as "excellent." Though later years showed a weakened chin as his main weak spot, Sato was also an aggressive striker, sometimes indulging in moves like spinning backfists and axe kicks.

Championships and accomplishments

** Shooto Pacific Rim Lightweight Championship (1 Time, First) **1994 All Japan Amateur Shooto Championship, Welterweight Runner Up **1st Shooto

Pacific Rim The Pacific Rim comprises the lands around the rim of the Pacific Ocean. The '' Pacific Basin'' includes the Pacific Rim and the islands in the Pacific Ocean. The Pacific Rim roughly overlaps with the geological Pacific Ring of Fire. List ...

Lightweight Tournament Champion (March 11, 2005) *

**Grapplers Quest at UFC Fan Expo Superfight Champion

Las Vegas Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...

(July 10, 2009)

Mixed martial arts record

, - , Loss , align=center, ,

Hideo Tokoro Hideo Tokoro (born August 22, 1977) is a Japanese mixed martial artist who last competed in the Bantamweight division. A professional competitor since 2000, Tokoro has also formerly competed for Vale Tudo Japan, ZST, Shooto, Rings and K-1 He ...

, TKO (punches & elbows) , Vale Tudo Japan 2012 , , align=center, 1 , align=center, 0:39 ,

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

, Japan , , - , Loss , align=center, 26–16–2 , Nico Verresen , KO (punch) , Shooto: Shooto the Shoot 2011 , , align=center, 1 , align=center, 4:17 ,

, Japan , , - , Loss , align=center, 26–15–2 , Masakatsu Ueda , TKO (kick to the body) , Shooto: Shootor's Legacy 3 , , align=center, 1 , align=center, 4:23 ,

, Japan , , - , Win , align=center, 26–14–2 , Ryota Matsune , TKO (knee & punches) , Shooto: The Way of Shooto 3: Like a Tiger, Like a Dragon , , align=center, 2 , align=center, 0:21 ,

, Japan , , - , Win , align=center, 25–14–2 , Corey Grant , TKO (punches) , VTJ 2009: Vale Tudo Japan 2009 , , align=center, 1 , align=center, 3:20 ,

, Japan , , - , Loss , align=center, 24–14–2 , Takeshi Inoue , TKO (punches) , Shooto: Shooto Tradition Final , , align=center, 1 , align=center, 4:41 ,

, Japan , For Shooto Lightweight (143 lbs.) Championship , - , Loss , align=center, 24–13–2 , Hatsu Hioki , TKO (punches) , Shooto: Shooto Tradition 4 , , align=center, 1 , align=center, 3:32 ,

, Japan , , - , Loss , align=center, 24–12–2 , Akitoshi Tamura , Submission (north-south choke) , Shooto: Shooto Tradition 1 , , align=center, 3 , align=center, 2:37 ,

, Japan , , - , Loss , align=center, 24–11–2 ,

Hideki Kadowaki (born 28 May 1976) is a Japanese mixed martial artist. A professional competitor since 2000, he has competed for Shooto, Deep (mixed martial arts), DEEP, and World Victory Road. He is the former List of Shooto champions, Shooto Lightweight (1 ...

, Submission (rear-naked choke) , Shooto: Back To Our Roots 5 , , align=center, 1 , align=center, 4:09 ,

, Japan , , - , Win , align=center, 24–10–2 , Augusto Frota , TKO (cut) , Shooto: Back To Our Roots 2 , , align=center, 1 , align=center, 1:21 ,

, Japan , , - , Loss , align=center, 23–10–2 , Antonio Carvalho , TKO (punches) , Shooto: The Victory of the Truth , , align=center, 2 , align=center, 0:49 ,

, Japan , , - , Loss , align=center, 23–9–2 , Gilbert Melendez , TKO (cut) , Shooto: Alive Road , , align=center, 1 , align=center, 1:32 ,

Kanagawa is a Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...

, Japan , , - , Win , align=center, 23–8–2 , Makoto Ishikawa , Decision (unanimous) , Shooto: 3/11 in Korakuen Hall , , align=center, 3 , align=center, 5:00 ,

, Japan , For Shooto Pacific Rim Lightweight Championship , - , Win , align=center, 22–8–2 , Katsuya Toida , KO (punch) , Shooto: Year End Show 2004 , , align=center, 2 , align=center, 1:21 ,

, Japan , , - , Win , align=center, 21–8–2 , Bao Quach , Submission (armbar) , Shooto Hawaii: Soljah Fight Night , , align=center, 1 , align=center, 3:04 ,

Honolulu, Hawaii Honolulu ( ; ) is the List of capitals in the United States, capital and most populous city of the U.S. state of Hawaii, located in the Pacific Ocean. It is the county seat of the Consolidated city-county, consolidated City and County of Honol ...

, United States , , - , Win , align=center, 20–8–2 , Erikas Petraitis , Technical Submission (triangle choke) , Shooto 2004: 5/3 in Korakuen Hall , , align=center, 2 , align=center, 2:20 ,

, Japan , , - , Loss , align=center, 19–8–2 , Alexandre Franca Nogueira , Submission (guillotine choke) , Shooto: Year End Show 2003 , , align=center, 1 , align=center, 0:41 , Chiba, Japan , , - , Win , align=center, 19–7–2 , Ryan Ackerman , Submission (heel hook) , Shooto 2003: 6/27 in Hiroshima Sun Plaza , , align=center, 1 , align=center, 2:12 ,

Hiroshima is the capital of Hiroshima Prefecture in Japan. , the city had an estimated population of 1,199,391. The gross domestic product (GDP) in Greater Hiroshima, Hiroshima Urban Employment Area, was US$61.3 billion as of 2010. Kazumi Matsui has b ...

, Japan , , - , Loss , align=center, 18–7–2 , Joachim Hansen , TKO (punches) , Shooto: 3/18 in Korakuen Hall , , align=center, 1 , align=center, 2:09 ,

, Japan , , - , Draw , align=center, 18–6–2 , Takumi Nakayama , Draw , Shooto: Treasure Hunt 11 , , align=center, 3 , align=center, 5:00 ,

, Japan , , - , Loss , align=center, 18–6–1 , Javier Vazquez , Decision (unanimous) , Shooto: Treasure Hunt 7 , , align=center, 3 , align=center, 5:00 ,

Osaka is a Cities designated by government ordinance of Japan, designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the List of cities in Japan, third-most populous city in J ...

, Japan , , - , Loss , align=center, 18–5–1 , Takanori Gomi , Decision (unanimous) , Shooto: To The Top Final Act , , align=center, 3 , align=center, 5:00 , Chiba, Japan , For Shooto World Welterweight (154 lbs.) Championship , - , Win , align=center, 18–4–1 , Marcio Ramos Barbosa , Decision (unanimous) , Shooto: To The Top 7 , , align=center, 3 , align=center, 5:00 ,

, Japan , , - , Loss , align=center, 17–4–1 ,

, KO (punch) , Shooto: R.E.A.D. Final , , align=center, 1 , align=center, 2:21 , Chiba, Japan , For Shooto World Welterweight (154 lbs.) Championship , - , Win , align=center, 17–3–1 , Takuya Kuwabara , Technical Decision (unanimous) , Shooto: R.E.A.D. 9 , , align=center, 2 , align=center, 5:00 ,

, Japan , , - , Win , align=center, 16–3–1 ,

Yves Edwards Yves Edwards (born September 30, 1976) is a Bahamian retired mixed martial arts, mixed martial artist, who is best known for competing in the Ultimate Fighting Championship, UFC's Lightweight (MMA), Lightweight division, fighting 21 times in the p ...

, Submission (rear-naked choke) , SB 17: SuperBrawl 17 , , align=center, 1 , align=center, 0:18 ,

, United States , , - , Win , align=center, 15–3–1 , Rafael Cordeiro , Submission (kneebar) , VTJ 1999: Vale Tudo Japan 1999 , , align=center, 1 , align=center, 0:58 , Chiba, Japan , , - , Win , align=center, 14–3–1 , Phil Johns , Submission (toe hold) , Shooto: Renaxis 5 , , align=center, 1 , align=center, 0:54 ,

, Japan , , - , Loss , align=center, 13–3–1 ,

, Submission (rear-naked choke) , Shooto: 10th Anniversary Event , , align=center, 3 , align=center, 4:02 ,

Yokohama is the List of cities in Japan, second-largest city in Japan by population as well as by area, and the country's most populous Municipalities of Japan, municipality. It is the capital and most populous city in Kanagawa Prefecture, with a popu ...

, Japan , For Shooto World Welterweight (154 lbs.) Championship , - , Win , align=center, 13–2–1 , Charles Diaz , Submission (flying armbar) , Shooto: Devilock Fighters , , align=center, 1 , align=center, 0:06 ,

, Japan , , - , Loss , align=center, 12–2–1 , André Pederneiras , KO (soccer kick & punches) , VTJ 1998: Vale Tudo Japan 1998 , , align=center, 1 , align=center, 4:20 , Chiba, Japan , , - , Win , align=center, 12–1–1 , Michael Buell , Submission (armbar) , Shooto: Shoot the Shooto XX , , align=center, 1 , align=center, 0:31 ,

, Japan , , - , Loss , align=center, 11–1–1 , Joel Gerson , Technical Submission (armbar) , Shooto: Las Grandes Viajes 2 , , align=center, 1 , align=center, 3:53 ,

, Japan , , - , Win , align=center, 11–0–1 , John Lewis , Submission (armbar) , VTJ 1997: Vale Tudo Japan 1997 , , align=center, 2 , align=center, 1:23 , Chiba, Japan , , - , Win , align=center, 10–0–1 , Maurice Corty , Submission (kimura) , Shooto: Reconquista 4 , , align=center, 1 , align=center, 2:01 ,

, Japan , , - , Win , align=center, 9–0–1 , Alan Fried , Submission (armbar) , Shooto: Reconquista 3 , , align=center, 1 , align=center, 0:59 ,

, Japan , , - , Win , align=center, 8–0–1 , Ali Mihoubi , Submission (heel hook) , Shooto: Reconquista 2 , , align=center, 1 , align=center, 2:21 ,

, Japan , , - , Win , align=center, 7–0–1 , Ricardo Botelho , Submission (heel hook) , Shooto: Reconquista 1 , , align=center, 3 , align=center, 1:24 ,

, Japan , , - , Draw , align=center, 6–0–1 , John Lewis , Draw , VTJ 1996: Vale Tudo Japan 1996 , , align=center, 3 , align=center, 8:00 , Chiba, Japan , , - , Win , align=center, 6–0 , Kyuhei Ueno , Submission (rear-naked choke) , Shooto: Vale Tudo Junction 2 , , align=center, 1 , align=center, 4:04 ,

, Japan , , - , Win , align=center, 5–0 , Masato Suzuki , Technical Submission (armbar) , Shooto: Vale Tudo Junction 1 , , align=center, 1 , align=center, 3:00 ,

, Japan , , - , Win , align=center, 4–0 , Isamu Osugi , Technical Submission (flying inverted triangle choke) , Shooto: Vale Tudo Perception , , align=center, 1 , align=center, 2:01 ,

, Japan , , - , Win , align=center, 3–0 , Ron Balicki , Technical Submission (armbar) , Shooto: Complete Vale Tudo Access , , align=center, 1 , align=center, 2:14 , Saitama, Japan , , - , Win , align=center, 2–0 , Katsuaki Yano , TKO (punches) , Shooto: Yokohama Free Fight , , align=center, 1 , align=center, 2:23 ,

, Japan , , - , Win , align=center, 1–0 , Michael McAuliffe , Submission (calf slicer) , Shooto: Vale Tudo Access 2 , , align=center, 2 , align=center, 2:18 ,

, Japan ,

Mixed martial arts exhibition record

, - , Draw , align=center, 0-0-1 ,

Hayato Sakurai (born August 24, 1975) also known as , is a Japanese mixed martial artist. A professional competitor since 1996, he has formerly competed for the UFC, PRIDE, DREAM, Shooto, Vale Tudo Japan, DEEP, and participated in the Yarennoka!, ...

, Technical Draw , World＆Wild 1 , , align=center, 1 , align=center, 3:00 , Tokyo, Japan , , -

Submission grappling record

KO PUNCHES , - style="text-align:center; background:#f0f0f0;" , style="border-style:none none solid solid; ", Result , style="border-style:none none solid solid; ", Opponent , style="border-style:none none solid solid; ", Method , style="border-style:none none solid solid; ", Event , style="border-style:none none solid solid; ", Date , style="border-style:none none solid solid; ", Round , style="border-style:none none solid solid; ", Time , style="border-style:none none solid solid; ", Notes , - , Win, , Hideki Mizutani , , Submission (neckscissors) , , All Japan Masters 3 , , 2015, , , , , , , - , Win, , Hirokazu Saito , , Submission (achilles lock) , , All Japan Masters 3 , , 2015, , , , , , , - , Loss, , Yoshihiko Matsumoto , , Points , , Shooto Gig Saitama 01 , , 2009, , , , , , , - , Win, , Ulysses Gomez , , Submission (reverse triangle wrist lock) , , UFC Fan Expo , , 2009, , , , , , , - , Win, , Masakazu Imanari , , Submission (rear-naked choke) , , 7th All Japan Combat Wrestling Championship -76 kg , , 2001, , , , , , Finals , - , Win, , Shigefumi Matsunaga , , Submission (rear-naked choke) , , 7th All Japan Combat Wrestling Championship -76 kg , , 2001, , , , , , Semi-finals , - , Win, , Torushi Kuroda , , Submission (kneebar) , , 7th All Japan Combat Wrestling Championship -76 kg , , 2001, , , , , , Quarter-finals , - , Win, , Yuki Takaya , , Points , , 7th All Japan Combat Wrestling Championship -76 kg , , 2001, , , , , , Opening round , - , Loss, ,

Tito Ortiz Jacob Christopher "Tito" Ortiz () is an American politican and retired mixed martial artist and Submission grappling, submission grappler. Ortiz is best known for his career with the Ultimate Fighting Championship (UFC), where he is a former UFC ...

, , Technical Submission (north-south choke) , , ADCC 2000 Openweight , , 2000, , , , , , First round , - , Loss, ,

Vítor Ribeiro Vítor de Souza Ribeiro (born February 24, 1979) is a retired professional mixed martial artist who competed in the Lightweight division. A professional competitor since 2001, he has formerly competed for Strikeforce, Sho ...

, , Points , , ADCC 2000 –77 kg, , 2000, , , , , , First round , - , Loss, , Marcio Feitosa , , Points , , Canadian Jiu-Jitsu, , 1998, , , , , , Finals , - , Win, , Joel Gerson , , Submission (ankle lock) , , Canadian Jiu-Jitsu , , 1998, , , , , , , -

Kickboxing record

, - , , Win , Mike Campbell , Shoot Boxing 2009: Takeshi Do Bushido Tag 1 ,

, Japan , TKO (corner stoppage) , align="center", 2 , align="center", 2:14 , 1-0 , - , colspan=9 , ''Legend'':

References

External links

Roots
(in Japanese)
K'z Factory
(in Japanese) *

{{DEFAULTSORT:Sato, Rumina 1973 births Living people Sportspeople from Odawara Japanese male mixed martial artists Japanese catch wrestlers Japanese practitioners of Brazilian jiu-jitsu Featherweight mixed martial artists Mixed martial artists utilizing shoot wrestling Mixed martial artists utilizing catch wrestling Mixed martial artists utilizing shootboxing Mixed martial artists utilizing Brazilian jiu-jitsu Martial artists from Kanagawa Prefecture Martial artists from Akita Prefecture