, known by his ''
shikona
A is a sumo wrestler's ring name. The tradition of ring names in sumo dates back to the Muromachi period and established itself during the Edo period, where they were used as a means to hide the identities of the .
Given by the master to his di ...
'' , or simply Yama,
is a Japanese retired
sumo
is a form of competitive full-contact wrestling where a ''rikishi'' (wrestler) attempts to force his opponent out of a circular ring (''dohyō'') or into touching the ground with any body part other than the soles of his feet (usually by th ...
wrestler from the city of
Saitama in
Saitama Prefecture
is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a population of 7,338,536 (January 1, 2020) and has a geographic area of 3,797 Square kilometre, km2 ( ...
. He made his professional debut in January 2007, and reached the top ''
makuuchi
, or , is the top division of Professional sumo divisions, the six divisions of professional sumo. Its size is fixed at 42 wrestlers (''rikishi''), ordered into five ranks according to their ability as defined by their performance in previous ...
'' division in January 2009. His highest rank was ''
maegashira'' 9. At , Yamamotoyama is the
heaviest Japanese-born sumo wrestler in history, and is also thought to be the heaviest Japanese person ever.
In April 2011, he was told to retire by the
Japan Sumo Association
The , officially the ; sometimes abbreviated JSA or NSK, and more usually called Sumo Kyōkai, is the governing body that operates and controls Professional sports, professional sumo wrestling, called , in Japan under the jurisdiction of the Min ...
after he and several other wrestlers were found to be involved in
match-fixing. He currently participates in sumo exhibitions and amateur tournaments, and has made a number of appearances in television shows, commercials and music videos.
Career
Yamamotoyama won several local, national and world sumo championships before entering
Nihon University
, abbreviated as , is a private research university in Japan. Its predecessor, Nihon Law School (currently the Department of Law), was founded by Yamada Akiyoshi, the Minister of Justice, in 1889. The university's name is derived from the Ja ...
in 2003. He won a total of five championships at Nihon University. He then entered professional sumo as a member of the
Onoe stable. He broke the record for the largest new recruit, weighing in at 233 kg in 2007. The previous record holder, Hokutomori, weighed in at 205 kg when he joined professional sumo in 1994. His ''
shikona
A is a sumo wrestler's ring name. The tradition of ring names in sumo dates back to the Muromachi period and established itself during the Edo period, where they were used as a means to hide the identities of the .
Given by the master to his di ...
'' or fighting name was created simply by adding the suffix ''yama'' (meaning "mountain") to his own surname. This is common for lower ranked wrestlers but it was rather unusual for him to keep it even after reaching ''
sekitori'' status. Yamamotoyama however, shares his name with
a well-known producer of
Japanese seaweed and tea, with whom he was reportedly keen to secure a sponsorship deal.

Yamamotoyama rose quickly through the ranks, recording only one ''
make-koshi
The following words are terms used in sumo wrestling in Japan.
A
B
C
D
E
F
G
H
...
'' before reaching the second division of ''
jūryō
Professional sumo as administered by the Japan Sumo Association is divided into six ranked divisions. Wrestlers are promoted and demoted within and between these divisions based on the merit of their win–loss records in official tournaments. Fo ...
'' at the 2008 September tournament. Upon his promotion he posed for photographers with two bags of rice and told reporters that he was aiming for 241 kg in weight, to break
the record
The Record may refer to:
Music
* The Record (Fear album), ''The Record'' (Fear album), a 1982 studio album by the hardcore-punk band Fear
* The Record (Boygenius album), ''The Record'' (Boygenius album), a 2023 studio album by the indie rock supe ...
for a Japanese ''rikishi'' then held by
Susanoumi. Only two wrestlers have weighed more than him: Hawaiian born
Konishiki at , and Russian
sandanme rikishi
Orora at . Yamamotoyama once reportedly ate 146 pieces of
sushi
is a traditional Japanese dish made with , typically seasoned with sugar and salt, and combined with a variety of , such as seafood, vegetables, or meat: raw seafood is the most common, although some may be cooked. While sushi comes in n ...
in a single meal.
After posting nine wins in consecutive ''jūryō'' tournaments, he was promoted to the top ''
makuuchi
, or , is the top division of Professional sumo divisions, the six divisions of professional sumo. Its size is fixed at 42 wrestlers (''rikishi''), ordered into five ranks according to their ability as defined by their performance in previous ...
'' division for the 2009 January tournament. The twelve tournaments it took him to enter the top division ties him with
Tochiazuma, among others, in a group of the second fastest wrestlers to reach this level. He came through with a ''
kachi-koshi
The following words are terms used in sumo
is a form of competitive full-contact wrestling where a ''rikishi'' (wrestler) attempts to force his opponent out of a circular ring (''dohyō'') or into touching the ground with any body part oth ...
'' winning record of 8-7 in his debut ''makuuchi'' tournament, and followed up with another 8-7 in March 2009. He failed to get his ''kachi-koshi'' on the final day of the May 2009 tournament, for only the second time in his career.
He suffered a
muscle pull
A strain is an acute or chronic soft tissue injury that occurs to a muscle, tendon, or both. The equivalent injury to a ligament is a sprain. Generally, the muscle or tendon overstretches and partially tears, under more physical stress than i ...
in his ribcage during the July 2009 tournament after falling to the floor of the ''
dohyo'' twice in two bouts against
Wakakoyu on Day 9 and had to withdraw for the first time in his career. He fell to the ''jūryō'' division for the September tournament as a result. He scored 9-6 there, enough for an immediate ''makuuchi'' return. However he entered the Kyushu ''basho'' in November 2009 in poor condition, having injured his right elbow whilst on tour in October, and he eventually withdrew from the tournament with only two wins, after being diagnosed with
influenza
Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These sympto ...
. Remaining in the ''jūryō'' division, he suffered knee ligament damage on the 11th day of the July 2010 tournament and was forced to withdraw. Still troubled by the injury, he pulled out on the first day of the September tournament, and as a result was demoted to the ''makushita'' division. Following his loss of ''sekitori'' status, he resumed menial duties at Onoe stable, becoming the head ''
chanko'' chef. Due to his injury he was unable to do any ''keiko'' (training) except walking. After fighting only one bout from the rank of ''Makushita'' 13, he withdrew from the November tournament as well. His continuing absence saw him drop to the fourth ''
sandanme'' division for the (cancelled) March 2011 basho.
Retirement
In April 2011, along with 18 other wrestlers, he was ordered to retire by the Japan Sumo Association (JSA) after an investigation into allegations of
bout-rigging prompted by the discovery of text messages on the mobile phone of fellow ''juryo'' wrestler
Kasuganishiki, which alleged Yamamotoyama's involvement in throwing matches. He responded angrily to the decision, saying "The JSA made up its mind from the start that I cheated without listening to me." However, on April 5 he visited the
Ryōgoku Kokugikan
, also known as Ryōgoku Sumo Hall or Kokugikan Arena, is the name bestowed to two different indoor sporting arenas located in Tokyo. The first ''Ryōgoku Kokugikan'' opened its doors in 1909 and was located on the premises of the Ekōin temple i ...
to hand in his retirement papers, alongside stablemates
Sakaizawa and Shirononami who were also found guilty.
He had a retirement ceremony at the
Tokyo Prince Hotel
The is the name of a hotel chain company headquartered in Toshima-ku, Tokyo, Japan. It is a subsidiary of Seibu Holdings, Inc. Together with Seibu Railway, Prince Hotels is the core company of Seibu Group.
Overview
During the Allied occupatio ...
in September 2011, alongside Sakaizawa. Yamamoto told ''
Sports Illustrated
''Sports Illustrated'' (''SI'') is an American sports magazine first published in August 1954. Founded by Stuart Scheftel, it was the first magazine with a circulation of over one million to win the National Magazine Award for General Excellen ...
'' in 2022, "I was doing it although I knew it was wrong...To tell the truth, you were not fighting as hard as you could."
However, he felt that he was scapegoated and the practice was more widespread than the JSA was admitting.
Post-retirement activities
In 2012, he appeared in the 5th season of India's biggest reality show ''
Bigg Boss
''Bigg Boss'' is an Indian reality show franchise based on the Dutch reality show '' Big Brother''. It is produced by Endemol Shine India through JioStar Network. Subsequently, the various versions of the show are made internationally availabl ...
''. Before entering, he told the reporters that he had already seen the 4th season of the show and that he loved both the show and
Indian culture
Indian culture is the heritage of social norms and technologies that originated in or are associated with the ethno-linguistically diverse nation of India, pertaining to the Indian subcontinent until 1947 and the Republic of India post-1947. ...
, despite not knowing
Hindi
Modern Standard Hindi (, ), commonly referred to as Hindi, is the Standard language, standardised variety of the Hindustani language written in the Devanagari script. It is an official language of India, official language of the Government ...
or
English. He was given special placards with pictorial representations that helped him to communicate his needs to the housemates. To ensure that Yamamotoyama remained entertained, special activities had been planned during his stay in the house that helped audiences to get some special insights into the life of a professional Japanese sumo wrestler. He entered the house on Day 91 as a guest, and bid a farewell after a day of stay there. In their last week Yamamotoyama would teach
origami
) is the Japanese art of paper folding. In modern usage, the word "origami" is often used as an inclusive term for all folding practices, regardless of their culture of origin. The goal is to transform a flat square sheet of paper into a ...
to ''
Bigg Boss 5'' inmates.
In 2013 Yamamotoyama participated in a multi-city "Sumo + Sushi" show tour in the United States, co-sponsored by
Living Social
LivingSocial is an online marketplace that allows its registered users to buy and share things to do in their city. Formerly headquartered in Washington, D.C., LivingSocial had roughly 70 million members around the world in 2013. The company shra ...
and USA Sumo. Attendees were shown sumo training exercises and then actual (albeit somewhat restrained) bouts between Yamamotoyama and other sumo stars such
Ulambayaryn Byambajav and Kelly Gneiting. In February 2015, Yamamotoyama was the celebrity guest for
Koyasan Buddhist Temple’s annual Hoshimatsuri service, where he is a volunteer and regular attendee. In 2014 he appeared in the music video for
One Direction
One Direction, often shortened to 1D, were an English-Irish pop boy band formed in London in 2010. The group consisted of Niall Horan, Zayn Malik (until his departure in 2015), Liam Payne, Harry Styles, and Louis Tomlinson. The group sold o ...
's "
Steal My Girl
"Steal My Girl" is a song written and recorded by English-Irish boy band One Direction. It is the lead single from their fourth studio album ''Four (One Direction album), Four'' (2014). It was released worldwide on 29 September 2014. The single w ...
."
In May 2015, he appeared on the American television program ''
The Bachelorette'' along with Ulambayaryn, and in 2017 starred in the music video for the song "
Shape of You
"Shape of You" is a song by English singer Ed Sheeran. It was released on 6 January 2017 as one of the lead single, double lead singles from his third studio album ''÷ (album), ÷'' (2017), along with "Castle on the Hill". The Dancehall pop, ...
" by English artist
Ed Sheeran
Edward Christopher Sheeran ( ; born 17 February 1991) is an English singer-songwriter. Born in Halifax, West Yorkshire, and raised in Framlingham, Suffolk, he began writing songs around the age of eleven. In early 2011, Sheeran independently r ...
. Also in 2017 he was featured in the Hollywood motion picture
''
John Wick 2'' with
Keanu Reeves
Keanu Charles Reeves ( ; born September 2, 1964) is a Canadian actor and musician. The recipient of numerous accolades in a career on screen spanning four decades, he is known for his leading roles in action films, his amiable public imag ...
. In June of 2021, Yamamotoyama was featured in th
OFFCANNYYouTube
YouTube is an American social media and online video sharing platform owned by Google. YouTube was founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim who were three former employees of PayPal. Headquartered in ...
video
we became sumo wrestlers
In 2021, he was USA Sumo's head coach and sumo ambassador.
He regularly appears in commercials on US television which require a sumo wrestler.
He ran the Yamamoto Sumo Dojo in Los Angeles from 2021 until it disbanded in 2023.
Also in 2021, he was married in the USA.
In 2022,
Nick DiGiovanni, an American chef, cooked a 5-course meal for him.
In 2023 he published a sumo Handbook that also contains insider stories from his sumo experience, Yamamoto Sumo Secrets. It was the first sumo handbook to be printed in English.
He quit working with the sumo entertainment management team in Los Angeles in 2023, and currently lives in St. Louis, Missouri, where he is head coach of the Show Me Sumo club.
Fighting style
Yamamotoyama's most common winning ''
kimarite'' or technique was ''yori-kiri'', the force out, and he preferred a ''migi-yotsu'', or left hand outside, right hand inside grip on his opponent's ''
mawashi''. He also regularly won by ''oshi-dashi'', the push out, and ''uwatenage'', the overarm throw.
Career record
See also
*
*
List of heaviest sumo wrestlers
The following is a list of the heaviest professional sumo wrestlers. Only wrestlers weighing or over are included.
Wrestlers shown in bold are still active as of January 2023.
{, class="sortable wikitable plainrowheaders"
!scope="col", Rank ...
*
List of past sumo wrestlers
This is a list of prominent past wrestlers (either retired or deceased) in the sport of professional sumo. They are listed in order of the year and tournament month that they made their professional debuts. The information listed below was gleaned ...
References
External links
*
Official websiteYamamotoyama photos and discussion
{{DEFAULTSORT:Yamamotoyama, Ryutaro
1984 births
Living people
Japanese sumo wrestlers
Match-fixing in professional sumo
Nihon University alumni
Sportspeople from Saitama (city)
Sumo people from Saitama Prefecture
Sportspeople banned for life