13,239 articles
Oliver Golding
Oliver Golding, British tennis player (born 1993, Richmond), 2011 US Open boys' singles champion over Jiri Vesely, 2010 Youth Olympic doubles gold, career-high ATP 327 in 2014, retired, 2017 comeback.
Oliver Korn
Oliver Korn (born 1984, Düsseldorf) is a German field hockey forward, two-time Olympic champion (Beijing 2008, London 2012) and Rio 2016 bronze medalist with Germany; clubs Düsseldorfer HC and UHC Hamburg.
Oliver Kurtz
Oliver Michael Kurtz, born 1971 in Cologne, German field hockey forward; 1992 Barcelona Olympic gold (2-1 final win over Australia), 33 German caps 1991-95, later international coach; distinct from rower Oliver Bub and diver Frank Kurtz.
Oliver Luck
Oliver Luck (born 1960, Cleveland) is a former Houston Oilers quarterback, West Virginia star, and sports executive: NFL Europe president, Houston Dynamo president, WVU athletic director, NCAA executive, and XFL commissioner; father of Andrew Luck.
Oliver Miller
Oliver Miller, "Big O" (1970-2025), American NBA center from Fort Worth, Arkansas star, 1990 Final Four, drafted 22nd by Phoenix in 1992, 1993 Finals, heaviest NBA player, died at 54.
Olivia Babcock
Olivia Babcock, Pitt Panthers right side/opposite (6-4, Los Angeles, Sierra Canyon HS), two-time AVCA National Player of the Year (2024, 2025), 2023 AVCA National Freshman of the Year, ACC Female Athlete of the Year, US Women's National Team opposite.
Olivier Girault
Olivier Girault, born 1973 in Pointe-à-Pitre, Guadeloupe, is a French handball left wing, 243-cap international, captain of the 2008 Olympic champions, and LNH president 2018-2020, later UNSS national director.
Olivier Nkamhoua
Olivier Nkamhoua, Finnish power forward (2.03 m, born 2000, Helsinki), ex-Tennessee and Michigan NCAA player, played for Niners Chemnitz and Varese, signed by FC Barcelona in 2026, 50-cap Finland international.
Olivier Rioux
Olivier Rioux, 7'9" (2.36 m) Canadian center for the Florida Gators, Guinness tallest teenager, tallest player in NCAA history; redshirted 2024-25 title season, debuted November 2025.
Olivier Vernon
Olivier Vernon, American football defensive end (Miami Dolphins, New York Giants, Cleveland Browns, 2012-2020); 63.5 career sacks, 2012 third-round pick, 2016 record $85 million Giants contract, torn Achilles in 2020.
Ollie Dempsey
Ollie Dempsey (Oliver Dempsey, born 2003) is a Geelong AFL winger, 2024 Telstra Rising Star winner, drafted as a rookie from Carey Grammar, with 35 goals in 2025 and a contract to 2029.
Olly olly oxen free
Olly olly oxen free, also spelled Ollie ollie oxen free, is a catchphrase in children's games like hide and seek, shouted so out or hiding players can come in free.
Olof van der Meulen
Olof van der Meulen (Roelof Antonius van der Meulen, born 1968, Sneek) is a Dutch volleyball opposite hitter, 202 cm, with 255 caps; Olympic silver 1992 Barcelona and gold 1996 Atlanta, European champion 1997, later a coach.
Oluwafemi Oladejo
Oluwafemi (Femi) Oladejo, Nigerian-American edge rusher from Cal and UCLA; Titans' No. 52 pick of the 2025 NFL draft; converted linebacker who led UCLA with 13.5 TFL and 4.5 sacks in 2024.
Olympiacos B.C.
Olympiacos B.C. (ΟΛΥΜΠΙΑΚΟΣ), basketball section of the Piraeus multi-sport club founded 1925; four EuroLeague titles (1997, 2012, 2013, 2026), sixteen Greek championships, plays at Peace and Friendship Stadium, Piraeus.
Omaha Storm Chasers
Omaha Storm Chasers: Triple-A International League baseball team in Papillion, Nebraska, Kansas City Royals affiliate since 1969; renamed from Omaha Royals in 2011, plays at Werner Park, eight league championships including 2024 IL title.
Omaha Supernovas
Omaha Supernovas, professional women's indoor volleyball team in Omaha, Nebraska, playing at CHI Health Center; founded 2023, inaugural PVF champions 2024, now a founding Major League Volleyball franchise.
Omar Ajete
Omar Ajete (Omar Ajete Iglesias), Cuban left-handed pitcher born 1965 in San Juan y Martínez, Pinar del Río; two Olympic baseball golds (1992, 1996) and silver (2000), 179 Serie Nacional wins with Pinar del Río.
Omar Cooper Jr.
Omar Cooper Jr., Indiana Hoosiers wide receiver, New York Jets first-round pick (30th overall, 2026 NFL Draft). 69 catches, 937 yards, 13 TDs in Indiana's 2025 national championship season; 4.42-second 40-yard dash.
Omar Linares
Omar Linares Izquierdo, "El Niño" Linares, Cuban third baseman (born 1967, Pinar del Río), .368 with 404 home runs in 20 National Series seasons, two Olympic golds, never played MLB.
Omar Vizquel
Omar Vizquel (Little O), Venezuelan MLB shortstop 1989-2012; holds records for games and double plays at shortstop, won 11 Gold Gloves, got 2,877 hits; Hall of Fame vote peaked at 52.6% in 2020, fell to 18.4% by 2026.
Omari Evans
Omari Evans, wide receiver from Killeen, Texas (Shoemaker HS); played Penn State 2022-24 and Washington 2025; 2026 Chiefs undrafted free agent, practice squad; 4.25-second 40-yard dash at Pro Day.
Omari Spellman
Omari Spellman, born 1997 in Cleveland, is an American forward/center, 2018 Villanova NCAA champion and BIG EAST Freshman of the Year, drafted 30th overall by Atlanta, with NBA stints at the Hawks, Warriors, Timberwolves, and Knicks.
Omarr Norman-Lott
Omarr Norman-Lott, Kansas City Chiefs defensive tackle drafted 63rd overall in 2025 out of Tennessee (formerly Arizona State); undersized, explosive interior pass rusher with elite 18.9% PFF pass-rush win rate in 2024.
Omni Coliseum
Omni Coliseum: 16,500-seat indoor arena in downtown Atlanta, opened 1972, home of the NBA Hawks and NHL Flames (1972-1980), 1996 Olympic volleyball venue; Cor-Ten steel arena demolished 1997 for Philips Arena.
Omri Casspi (עומרי משה כספי)
Omri Casspi (עומרי כספי), born 1988 in Holon, Israeli forward; first Israeli drafted in the NBA first round (23rd, Kings, 2009) and first to play in the NBA; 588 games, 7 teams, 2018 Warriors ring.
On-base percentage
On-base percentage (OBP, OBA): baseball rate statistic, (H+BB+HBP)/(AB+BB+HBP+SF). Devised by Branch Rickey and Allan Roth; AL official 1979, NL 1984; records Bonds .609 (2004), Williams .482 career.
On-base plus slugging
On-base plus slugging (OPS) is a baseball stat equal to on-base percentage plus slugging percentage, devised by Pete Palmer; league average is about .700-.750, and OPS+ normalizes it to 100 with park and league adjustments.
Ons Jabeur (أنس جابر)
Ons Jabeur (أنس جابر) is a Tunisian tennis player, first African and Arab woman in the Open Era to reach a Grand Slam final (Wimbledon 2022), a former world No. 2 with three major final losses.
Onside kick
Onside kick: a short kickoff the kicking team tries to recover itself. NFL recovery rates fell from 21.2% (1992-2017) to 7.7% in 2018 after rule changes; 2024-2026 rules restrict and then relax when it can be declared.