Kento Miyahara

With a background in judo,[5] Miyahara made his professional wrestling debut on February 11, 2008, at a Kensuke Office event, losing to All Japan Pro Wrestling (AJPW) representative Seiya Sanada.[6] Through Kensuke Office's relationship with Pro Wrestling Noah, Miyahara also began making appearances for Noah, taking part in both the NTV G+ Cup Junior Heavyweight Tag League and Mauritius Cup later in the year.[7][8] Miyahara continued working regularly for both Kensuke Office and Pro Wrestling Noah for the next few years, being pegged as the "next Kensuke Sasaki".[5] On May 17, 2012, Miyahara made his Mexican debut for International Wrestling Revolution Group (IWRG), when he represented a team of Japanese wrestlers in the 2012 Copa Higher Power.[3] In February 2013, Miyahara entered a storyline, where he turned on Sasaki and the former Kensuke Office, now known as Diamond Ring, by joining the villainous Voodoo Murders stable.[9] Backed by his new partners, he then started a storyline rivalry with the remaining Diamond Ring representatives such as Katsuhiko Nakajima and Satoshi Kajiwara.[10]

In August 2013, it was announced that Miyahara would be taking part in AJPW's 2013 Ōdō Tournament the following month.[11] On September 9, Miyahara announced he was officially breaking off his affiliation with Diamond Ring and becoming a freelancer.[12] On September 14, Miyahara was eliminated from the Ōdō Tournament in his first round match by Suwama.[13] In AJPW, Miyahara formed a new partnership with Go Shiozaki due to the similarities between the two in both size and age.[14] On November 14, Voodoo Murders held a press conference to announce that Miyahara was also leaving the stable to fully concentrate on working for AJPW.[15] On November 21, Miyahara and Shiozaki came together with Atsushi Aoki and Kotaro Suzuki to form the new Xceed stable.[16] The following month, Miyahara and Shiozaki made it to the finals of the 2013 World's Strongest Tag Determination League, but were defeated there by Evolution (Joe Doering and Suwama).[17] In January 2014, Miyahara signed a contract to officially become affiliated with AJPW.[1] On March 18, Miyahara received his first shot at AJPW's top title, the Triple Crown Heavyweight Championship, but was defeated by the defending champion, Akebono.[18][19] On August 16, Miyahara won his first professional wrestling title, when he and Kotaro Suzuki defeated Keisuke Ishii and Shigehiro Irie to win the All Asia Tag Team Championship.[20] In December, Miyahara and Go Shiozaki made it to the finals of their second World's Strongest Tag Determination League in a row, this time contested for the vacant World Tag Team Championship, but were again defeated there by Wild Burning (Jun Akiyama and Takao Omori).[21][22] Miyahara and Suzuki's reign as the All Asia Tag Team Champions ended in their second defense on January 3, 2015, when they were defeated by Dark Kingdom representatives Mitsuya Nagai and Takeshi Minamino.[23][24] On March 27, Miyahara received another shot at the Triple Crown Heavyweight Championship, but was defeated by the defending champion, Xceed stablemate Go Shiozaki.[25][26] On May 6, Miyahara and Shiozaki defeated Akebono and Yutaka Yoshie to win the World Tag Team Championship.[27][28] On June 4, Miyahara scored a major win, when he led Xceed to a six-man captain's fall tag team match win over the Evolution stable, scoring the deciding pinfall over Suwama.[29] Following the win, Miyahara announced his intention of becoming the youngest Triple Crown Heavyweight Champion in history, challenging Akebono to a title match.[30] However, the title match on June 21 ended with Miyahara once again being defeated.[31][32] On September 28, Miyahara and Shiozaki vacated the World Tag Team Championship due to Shiozaki resigning from AJPW.[33][34] On November 16, Xceed was disbanded, when Kotaro Suzuki also announced his departure from AJPW.[35]

With Xceed gone, Miyahara was offered a spot in the Evolution stable. Though he turned down the offer, he agreed to team with Suwama in the 2015 World's Strongest Tag Determination League.[36] On December 6, the two defeated Bodyguard and Zeus in the finals to win the tournament.[37] Following the final match, Miyahara expressed interest in continuing to team up with Suwama, but was attacked by Suwama, who instead announced Naoya Nomura as the newest member of Evolution.[38][39] Miyahara responded by announcing a new partnership with Jake Lee, vowing to start a generational change in AJPW.[40] On December 25, the new team was named "Nextream".[41]

On February 12, 2016, Miyahara defeated Zeus in a decision match to win the vacant Triple Crown Heavyweight Championship for the first time. At 26 years and 350 days, Miyahara became the youngest Triple Crown Heavyweight Champion in history, beating the previous record held by then 29-year-old Terry Gordy.[42][43] On February 21, Miyahara failed in his bid to become a "Quintuple Crown Champion", when he and Jake Lee were defeated by Zeus and Bodyguard in a match for the World Tag Team Championship.[44][45] Miyahara made his first successful defense of the Triple Crown Heavyweight Championship on March 21 against Takao Omori.[46] His second title defense took place on May 25, when he defeated 2016 Champion Carnival winner Daisuke Sekimoto.[47][48] On June 15, Miyahara defeated Kengo Mashimo for his third successful title defense and afterwards nominated Jun Akiyama as his next challenger,[49][50] whom he went on to defeat in his fourth title defense on July 24.[51] On August 27, Miyahara made his fifth successful title defense against Ryoji Sai.[52] On November 27, Miyahara defeated Suwama in the main event of AJPW's first show in Ryōgoku Kokugikan in three years to make his sixth successful defense of the Triple Crown Heavyweight Championship.[53][54] The following month, Miyahara and Jake Lee won their block in the 2016 World's Strongest Tag Determination League with a record of four wins and one loss, advancing to the finals of the tournament.[55][56] On December 18, Miyahara and Lee were defeated in the finals of the tournament by Get Wild (Manabu Soya and Takao Omori).[57][58]

After announcing his goal for 2017 of breaking the record for most successful defenses of the Triple Crown Heavyweight Championship, held by Toshiaki Kawada with his ten defenses,[59] Miyahara made his seventh successful defense on January 15 by defeating Takao Omori.[60] En route to his next defense, Miyahara teamed up with Jake Lee to unsuccessfully challenge Bodyguard and Zeus for the World Tag Team Championship on February 17.[61] On February 26, Miyahara defeated Bodyguard for his eighth successful title defense.[62] On May 21, Miyahara lost the Triple Crown Heavyweight Championship to 2017 Champion Carnival winner Shuji Ishikawa in his ninth defense.[63][64] AJPW experienced greatly increased business during Miyahara's fifteen-month title reign.[65] On August 27, Miyahara defeated Ishikawa at AJPW's 45th anniversary event in Ryōgoku Kokugikan to regain the Triple Crown Heavyweight Championship.[66][67] He lost the title to 2017 Ōdō Tournament winner Suwama in his first defense on October 9. On February 3, 2018, Miyahara and Yoshitatsu defeated Suwama and Shuji Ishikawa to win the World Tag Team Championship. However, on February 25, they would lose the titles in their first defense to The Big Guns (Zeus and Bodyguard). Miyahara captured the Triple Crown for a third time on March 25, 2018 at a show at the Saitama Super Arena Community Hall by defeating Joe Doering. Throughout April, Miyahara, while still champion, participated in the 2018 Champion Carnival, where he won his block with a record of five wins and two losses. However, in the finals on April 30, he was defeated by Pro Wrestling NOAH's Naomichi Marufuji. He defeated Marufuji in a rematch on May 24 to successfully defend the title. On June 12, he defeated Dylan James for his second successful defense. However, on July 29, he lost the championship in his third defense to Zeus. On September 24, Miyahara defeated Kengo Mashimo to win the Ōdō Tournament, thus, giving him his rematch for the Triple Crown Championship. He defeated Zeus on October 21 to regain the Title and begin his fourth reign. Miyahara participated in the 2018 World's Strongest Tag Determination League alongside with Yoshitatsu, both of them would make 10 points, winning 5 matches and losing 5, failing to advance to the finals.

On January 3, 2019, Miyahara made his first successful defence against KAI. On February 24, he made his second defence against long-term rival Suwama, right after the match, Naoya Nomura came to the ring and challenged Miyahara to a title match, which the champion accepted. This led to a match between the former partners on March 19, where Miyahara became victorious. He participated in the Champion Carnival, making 10 points, winning 5 matches and losing 3, advancing to the finals. On April 29, the champion defeated Jake Lee to win the Champion Carnival for the first time. Miyahara successfully defended his title against Shuji Ishikawa on May 20.

2019 became the third year when the Triple Crown did not change hands, Miyahara's fourth reign becoming the third overall in terms of length, after Mitsuharu Misawa's first reign (705 days, lasted all of 1993), and Toshiaki Kawada's fifth reign (529 days, lasted all of 2004), before finally losing the belt back to Suwama on March 23, 2020.