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NXT vs. TNA Showdown
NXT vs. TNA Showdown was a special October 7, 2025 episode of WWE NXT on The CW, the first head-to-head interpromotional event under the January 2025 WWE-TNA partnership; Team TNA won the men's elimination match, Team NXT the women's, and The Hardys won a Winner Take All tag title match.
NXT WarGames (2021)
NXT WarGames (2021), WWE's December 5, 2021 NXT event, the fifth and final NXT WarGames and first without the TakeOver name; Team 2.0 beat Team Black & Gold, Breakker pinned Ciampa.
NXT Women's Championship
NXT Women's Championship: WWE women's singles title on the NXT brand, established 2013, first held by Paige after a tournament final win over Emma; recent champions include Jacy Jayne, Lola Vice, Kendal Grey, and current holder Kelani Jordan.
NXT Women's North American Championship
The NXT Women's North American Championship is a secondary WWE title for the NXT brand. Zaria is the current champion, having unified it with the Women's Speed Championship in 2026.
Nyla Rose
Nyla Rose (Brandi Hicks Degroat, born 1982) is an American wrestler and actress, the first openly transgender woman signed to a major U.S. promotion (AEW, 2019) and first openly trans person to hold a major title, the AEW Women's World Championship.
Oba Femi
Oba Femi (Isaac Odugbesan, born 1998, Lagos) is a Nigerian WWE powerhouse wrestler on Raw, "The Ruler", a two-time NXT Champion, 2026 King of the Ring winner, and Brock Lesnar's conqueror at WrestleMania 42 and SummerSlam 2026.
Octuple champion
Octuple champion: boxing term for a world champion in eight weight divisions, achieved only by Manny Pacquiao, who won 12 major titles from 112 to 154 pounds between 1998 and 2019.
Odalis Reve
Odalis Revé (Odalis Revé Jiménez), Cuban judoka born 1970 in Sagua de Tánamo; 1992 Barcelona Olympic champion in women's middleweight -66 kg, beating Emanuela Pierantozzi; four world medals; first Latin American woman Olympic judo champion.
ODB (wrestler)
ODB (Jessica Nora Kresa, born 1978) is an American professional wrestler, four-time TNA Knockouts Champion and Knockouts Tag Team Champion with Eric Young, inducted into the TNA Hall of Fame in 2026.
Odessa Grady Clay
Odessa Grady Clay (Odessa Lee Grady, 1917-1994), Louisville domestic worker, mother of Muhammad Ali and Rahman Ali, wife of sign painter Cassius Clay Sr., granddaughter of Irish emigrant Abe Grady of County Clare.
Odlanier Solis
Odlanier Solis (Odlanier Solis Fonte, "La Sombra"), Cuban heavyweight boxer born 1980 in Havana; 2004 Olympic gold medalist, three-time amateur world champion, defected 2006, lost a 2011 WBC title fight to Vitali Klitschko, retired 22-3.
Odon Tersztyanszky
Ödön Tersztyánszky (Precíz Ödön), Hungarian fencer and army officer (1890–1929), double 1928 Olympic sabre champion individually and with the team, 1924 team silver and bronze, left-handed after a POW-camp hand injury, died in a motorcycle accident.
Odon Zombori
Ödön Zombori (Zombori Ödön, born Janicsek), Hungarian wrestler, 1906–1989. Olympic silver 1932 and gold 1936 in bantamweight freestyle; European champion 1931 and 1933; later coached Argentina at the 1956 Olympics.
Oh Eun Seok
Oh Eun Seok (오은석), born 1983 in Daegu, is a retired South Korean left-handed sabre fencer, 2012 London Olympic team gold medallist, three-time Olympian, and 2007 world individual sabre bronze medallist.
Oh Hye Ri
Oh Hye Ri (오혜리, born 1988, Gangneung) is a South Korean taekwondo athlete, 2016 Rio Olympic gold medalist in women's welterweight (≤67 kg), beating Haby Niare 13-12, and 2015 world champion at -73 kg.
Ohio Valley Wrestling
Ohio Valley Wrestling (OVW), Louisville, Kentucky promotion founded 1993 by Danny Davis; WWE developmental territory 2000-2008 (Cena, Orton, Batista, Lesnar), later TNA affiliate, first state-certified wrestling trade school (2019), subject of Netflix's Wrestlers.
Oil wrestling
Oil wrestling (yağlı güreş) is a traditional Turkish sport in which oiled pehlivan wrestlers in leather kispet try to turn an opponent's back to the ground; its Kırkpınar festival in Edirne, held since the 14th century, joined UNESCO's heritage list in 2010.
Okinawan kobudō (沖縄古武道)
Okinawan kobudō (沖縄古武道), the Okinawan weapons art using bō, sai, tonfa, nunchaku, and kama; developed in the Ryukyu Kingdom among the Pechin class and systematized by Yabiku Moden and Taira Shinken.
Okinawan martial arts
Okinawan martial arts (沖縄空手, kobudō): karate and weapons traditions from the Ryukyu Kingdom, rooted in the art Ti, shaped by Chinese kempo, weapon bans, and spread worldwide since 1922.
Oksana Yermakova
Oksana Yermakova (Оксана Ивановна Ермакова), born 1973 in Tallinn, is a Russian épée fencer who won Olympic team gold in 2000 and 2004 and the 1993 world individual title for Estonia.
Ola de Calor
Ola de Calor (Heatwave) was a Lucha Libre AAA Worldwide event, August 30, 2026, Bert Ogden Arena, Edinburg, Texas, run with NXT Heatwave as a same-day doubleheader before Triplemanía 2026.
Ole Anderson
Ole Anderson (Alan Robert Rogowski, 1942–2024), American pro wrestler, booker, and promoter; Minnesota Wrecking Crew tag team with Gene Anderson, founding member of the Four Horsemen, and head of Georgia Championship Wrestling and WCW booking.
Ole Bischof
Ole Bischof (born 1979, Reutlingen) is a retired German judoka, under 81 kg, Olympic champion Beijing 2008 and silver medalist London 2012, world bronze 2009, European champion 2005, later DOSB vice president.
Ole Sørensen
Ole Sørensen (Ole Toft Sorensen, born 1948, Randers, Denmark) is a Danish-born Canadian Greco-Roman wrestler, 1972 Munich Olympian, 1970 Commonwealth Games bronze medallist, and father of bobsledder Cody Sorensen.
Oleg Grigoryev
Oleg Grigoryev (Олег Георгиевич Григорьев, born 25 December 1937, Moscow) is a Soviet bantamweight boxer, 1960 Rome Olympic champion, three-time European champion (1957, 1963, 1965), and six-time USSR champion; not the runner or swimmer of the same name.
Oleg Karavayev
Oleg Karavayev (Олег Николаевич Караваев, 1936–1978), Soviet Greco-Roman wrestler from Minsk; Olympic bantamweight (≤57 kg) gold at Rome 1960 and World Champion 1958 and 1961, six-time Soviet titlist.
Oleg Kutscherenko
Oleg Kutscherenko (Oleh Kucherenko, Олег Кучеренко), Ukrainian-born Greco-Roman light-flyweight wrestler, 1992 Barcelona Olympic champion for the Unified Team, 1989-90 world champion, later German citizen and eight-time German national champion.
Oleg Saitov
Oleg Saitov (Олег Элекпаевич Саитов), Russian amateur welterweight boxer born 1974; two-time Olympic champion (Atlanta 1996, Sydney 2000), Athens 2004 bronze, Val Barker Trophy 2000, world champion 1997; never turned professional.
Oleg Taktarov (Олег Николаевич Тактаров)
Oleg Taktarov (Олег Николаевич Тактаров), "The Russian Bear", born 1967 in Sarov, Russian sambo-judo fighter, UFC 6 tournament champion and first Russian UFC champion, later a Hollywood actor.
Oleksandr Gvozdyk (Олександр Сергійович Гвоздик)
Oleksandr Gvozdyk (Олександр Сергійович Гвоздик), "The Nail", Ukrainian boxer born 1987 in Kharkiv; 2012 Olympic bronze medalist and WBC light heavyweight champion 2018-2019, dethroning Adonis Stevenson before losing to Artur Beterbiev.