13,239 articles
ONT Field
ONT Field is a 6,000-seat baseball stadium in Ontario, California, home of the Ontario Tower Buzzers, Dodgers Single-A affiliate, named under a ten-year OIAA-Legends Global naming rights deal capped at $1.2 million annually.
Ontario Hockey League
Ontario Hockey League (OHL), major junior hockey league of 20 teams in Ontario, Michigan, and Pennsylvania; a Canadian Hockey League member whose clubs compete for the J. Ross Robertson Cup and supply NHL and U SPORTS talent.
Ontario Tower Buzzers
Ontario Tower Buzzers: Single-A California League baseball team in Ontario, California, Los Angeles Dodgers affiliate debuting 2026 at ONT Field, aviation- and Top Gun-themed, successor to the Rancho Cucamonga Quakes franchise rights.
Onuralp Bitim
Onuralp Bitim (born 1999, Kadıköy, Turkey) is a Turkish forward for Fenerbahçe and Turkey's national team; former Chicago Bulls player, 2022-23 All-EuroCup Second Team with Bursaspor.
Onyeka Okongwu
Onyeka Okongwu (born 2000) is an American NBA forward-center for the Atlanta Hawks, drafted sixth overall in 2020 from USC, now the Hawks' starting center averaging 15.4 points in 2025-26.
Open Era tennis records – Men's singles
Open Era men's singles tennis records, since 1968: Jimmy Connors leads career titles (109–112 by tally), Djokovic holds 24 Grand Slams, Nadal 14 French Opens, Federer 237 consecutive weeks at No. 1.
Oracle Park
Oracle Park (formerly Pacific Bell Park, SBC Park, AT&T Park) is the San Francisco Giants' waterfront MLB stadium, opened April 11, 2000, privately financed at $357 million, a pitcher's park with McCovey Cove splash hits and a 42,300 capacity.
Orange Bowl
The Orange Bowl, played as the Capital One Orange Bowl, is an annual college football bowl game in the Miami area, first played in 1935.
Oregon Ducks
Oregon Ducks: University of Oregon NCAA Division I program, Big Ten since 2024, formerly Pac-12. 20 varsity sports, ~500 athletes, $145M self-sustaining budget, Nike/Phil Knight branding, Donald Duck mascot, football 718-512-46 since 1894.
Oregon State Beavers football
Oregon State Beavers football is Oregon State University's FBS program in Corvallis, playing at Reser Stadium (35,548). A Pac-12 founding member (PCC, 1915), it produced Terry Baker's 1962 Heisman and the 2001 Fiesta Bowl win, and rejoined a rebuilt Pac-12 in 2026 under JaMarcus Shephard.
Orel Hershiser
Orel Hershiser (Bulldog), born 1958, American MLB pitcher 1983-2000; 1988 unanimous NL Cy Young with record 59 scoreless innings, NLCS and World Series MVP, 1995 ALCS MVP; not in Hall of Fame; Dodgers broadcaster.
Original Celtics
Original Celtics, New York Celtics, early professional basketball team (1914-41) based in New York; barnstormed 193-11-1, won ABL titles 1926-27, pioneered post play and zone defense; unrelated to Boston Celtics.
Original Six
Original Six: the Boston Bruins, Chicago Black Hawks, Detroit Red Wings, Montreal Canadiens, New York Rangers, and Toronto Maple Leafs, the NHL's entire membership from 1942-43 to 1966-67 before 1967 expansion.
Origins of baseball
Origins of baseball: evolution of the sport from medieval English and European bat-and-ball games (stool ball, trap ball, rounders) to the 1845 Knickerbocker rules; debunks the Doubleday-Cooperstown and rounders-descent myths.
Oriole Park at Camden Yards
Oriole Park at Camden Yards, the Baltimore Orioles' MLB ballpark since April 6, 1992, built by the Maryland Stadium Authority with HOK on the B&O rail yards; the retro-design template with the B&O Warehouse, Eutaw Street, 45,971 capacity, and a 30-year lease signed in 2023.
Orix Buffaloes (オリックス・バファローズ)
Orix Buffaloes (オリックス・バファローズ), NPB Pacific League team at Kyocera Dome Osaka; formed 2005 from Orix Blue Wave–Kintetsu Buffaloes merger; 15 PL pennants, 5 Japan Series titles including 2022.
Orlando Apollos
The Orlando Apollos were a professional American football team in Orlando, Florida, that played in the Alliance of American Football's only season, 2019, going 7-1 under coach Steve Spurrier before the league folded in April.
Orlando Cabrera
Orlando Luis Cabrera (born 1974, Cartagena, Colombia) is a Colombian former MLB shortstop (1997-2011), two-time Gold Glove winner, 2004 Red Sox World Series champion, 2,055 career hits, nine teams.
Orlando Cepeda
Orlando Cepeda (Peruchín, Baby Bull), Puerto Rican Hall of Fame first baseman (1937–2024); 1958 NL Rookie of the Year, unanimous 1967 NL MVP with the World Series champion Cardinals, 379 career home runs, elected 1999.
Orlando Hernández
Orlando "El Duque" Hernández (born 1965) is a Cuban former MLB pitcher who defected in 1997, won four World Series (Yankees 1998-2000, White Sox 2005), and went 90-65 with a 4.13 ERA.
Orlando Magic
Orlando Magic, NBA team founded 1989 in Orlando, Florida; plays at Kia Center in the Southeast Division. Two Finals losses (1995 Shaq/Penny, 2009 Dwight Howard), zero championships, defense-first identity under the DeVos family ownership.
Orlando Pace
Orlando Lamar Pace (born 1975, Sandusky, Ohio) is a Hall of Fame offensive tackle, first overall pick of the 1997 NFL Draft by the Rams, Super Bowl XXXIV champion, seven-time Pro Bowler, inducted to Canton in 2016.
Orlando Scandrick
Orlando Scandrick is a former American football cornerback drafted by the Dallas Cowboys in 2008 who played ten NFL seasons, also for Washington, Kansas City, and Philadelphia.
Orlando Storm
Orlando Storm, UFL expansion professional spring football team in Orlando, Florida, announced October 7, 2025; plays at Inter&Co Stadium under coach Anthony Becht; went 8-2 and finished first in its 2026 debut season with MVP quarterback Jack Plummer.
Orlando Valkyries
Orlando Valkyries: professional women's volleyball team in Orlando, Florida, founded 2023, playing at Addition Financial Arena in Major League Volleyball (formerly Pro Volleyball Federation); 2025 PVF champions after a worst-to-first turnaround, distinct from the WNBA's Golden State Valkyries.
Orval Gravelle
Orval "Red" Gravelle (Israel Jean Orval Gravelle, 1927-1997), Canadian ice hockey defenseman and RCAF machinist; youngest member of the gold-medal RCAF Flyers at the 1948 St. Moritz Winter Olympics, later a junior hockey coach in Ontario.
Oscar Robertson
Oscar Robertson, the Big O (born 1938), NBA guard for the Cincinnati Royals and Milwaukee Bucks; first player to average a triple-double for a season (1961-62, 30.8/12.5/11.4), 1971 champion, 1964 MVP, and namesake of the 1970 antitrust suit that created NBA free agency.
Oscar Schmidt
Oscar Schmidt (Mão Santa, 1958-2026), Brazilian basketball forward, all-time leading scorer with 49,737 points, Olympic record 55-point game, 1987 Pan Am gold over the USA, never played in the NBA.
Oscar Tshiebwe
Oscar Tshiebwe, born 1999 in the Democratic Republic of the Congo, is a Congolese basketball player for the Houston Rockets and unanimous National Player of the Year at Kentucky in 2022.
Osea Kolinisau
Osea Kolinisau (born 1985, Suva) is a Fijian rugby sevens coach and former captain who led Fiji to Rio 2016 Olympic gold, holds the World Series record 62 caps, and now coaches the Fiji men's 7s.