1,478 articles
Reserve clause
Reserve clause: baseball contract provision, from 1879 National League rule to 1887 standard contract, binding players to one team in perpetuity; struck down by Peter Seitz's December 23, 1975 arbitration decision, creating free agency.
Rhys Hoskins
Rhys Hoskins is an American professional baseball first baseman born in 1993 in Sacramento, California, who debuted in MLB in 2017 and helped the Phillies reach the 2022 World Series.
Rich Gedman
Rich Gedman (Richard Leo Gedman, born 1959, Worcester, MA), American MLB catcher 1980-1992 with Red Sox, Astros, Cardinals; two-time All-Star, caught Clemens's 20-K game, 1986 World Series; later Red Sox hitting coach.
Rich Hill (pitcher)
Rich Hill (Richard Joseph Hill, born 1980) is an American left-handed MLB pitcher who debuted with the Cubs in 2005, reinvented himself in 2015 around a high-spin curveball, and pitched for a record-tying 14 franchises including the 2025 Royals.
Richie Ashburn
Richie Ashburn ("Whitey", 1927-1997), American MLB center fielder for the Phillies 1948-59, Cubs, and 1962 Mets; two NL batting titles, 2,574 hits, .308 average, elite defensive putout records, then 35 years as a Phillies broadcaster; Hall of Fame 1995.
Rick Ankiel
Rick Ankiel (born 1979), former MLB pitcher and outfielder for the Cardinals, Braves, Royals, Nationals, Astros, and Mets; lost control in the 2000 NLDS, converted to outfielder in 2005, hit 76 career home runs.
Rick Dempsey
Rick Dempsey, American MLB catcher (1969-1992) for the Twins, Yankees, Orioles, Indians, Dodgers, and Brewers; 1983 World Series MVP with Baltimore, 1988 champion with Los Angeles, later Orioles coach and broadcaster.
Rick Krivda
Rick Krivda (Rick Michael Krivda, born 1970, McKeesport, Pennsylvania) is an American left-handed pitcher who pitched 1995-1998 for the Orioles, Indians, and Reds (11-16, 5.57 ERA) and won baseball gold with the USA at the 2000 Sydney Olympics.
Rick Monday
Rick Monday (Robert James Monday, born 1945) is a former MLB center fielder, first overall pick of the inaugural 1965 draft, a two-time All-Star, 1981 World Series champion, and rescuer of an American flag at Dodger Stadium in 1976.
Rick Porcello
Rick Porcello (Frederick Alfred Porcello, born 1988) is a former MLB right-handed pitcher for the Tigers, Red Sox, and Mets; 2016 AL Cy Young winner (22-4, 3.15 ERA) and 2018 World Series champion.
Rickey Henderson
Rickey Henderson (1958-2024), American MLB outfielder, all-time leader in stolen bases (1,406), runs (2,295), and leadoff home runs (81); greatest leadoff hitter, Hall of Fame 2009.
Rickey Hill
Rickey Glen Hill (born 1956, Fort Worth, Texas) is a former minor league outfielder/first baseman who played 1975-1978 in the Montreal Expos organization despite a degenerative spinal disease; never reached MLB; subject of the 2023 film The Hill.
Rico Garcia
Rico Garcia (Joshua Rico Garcia), born 1994 in Honolulu, is an MLB relief pitcher for the Baltimore Orioles. A 2016 30th-round pick, he debuted in 2019, survived Tommy John surgery and a 2025 waiver carousel, then broke out with 10 saves in 2026.
Rikuu Nishida
Rikuu Nishida (西田 陸浮), born 2001 in Osaka, is a Japanese White Sox utility infielder/outfielder, the first Japan-born player drafted by MLB and reaching the Majors via US college baseball, debuting May 25, 2026.
Riley Greene
Riley Alan Greene (born 2000) is an American MLB left fielder for the Detroit Tigers, drafted fifth overall in 2019, a three-time AL All-Star and 2025 Silver Slugger winner with 36 home runs.
River Ryan (baseball)
River Jason Ryan (born 1998) is an American MLB pitcher for the Detroit Tigers, formerly a Dodgers prospect; two-way UNC Pembroke player, 11th-round 2021 Padres pick, 1.33 ERA 2024 debut before Tommy John surgery, traded for Skubal in 2026.
Rob Manfred
Rob Manfred (Robert D. Manfred, Jr., born 1958), 10th Commissioner of Baseball since January 25, 2015, former MLB labor negotiator and COO; led 2023 pitch-timer, shift-ban, and larger-bases rules; term runs through January 2029.
Rob Refsnyder
Rob Refsnyder (Robert Daniel Refsnyder, born 1991 in Seoul) is a Korean-born American MLB outfielder/first baseman, Yankees 2015-17, Red Sox 2022-25, Mariners 2026, known as a right-handed platoon hitter vs lefties.
Rob Zastryzny
Rob Zastryzny (Robert John Zastryzny, born 1992, Edmonton, Alberta) is a Canadian left-handed MLB relief pitcher, Cubs 2013 second-round pick, who has pitched for the Cubs, Pirates, Mets, Angels, Yankees, and Brewers with a 3.84 career ERA.
Robbie Ray
Robbie Ray, American left-handed MLB starting pitcher; 2021 AL Cy Young winner with Toronto (13-7, 2.84 ERA, 248 K). Former Nationals 12th-round pick; later pitched for Arizona, Seattle ($115M deal), San Francisco, and San Diego.
Robert Gasser
Robert Gasser (born 1999) is an American left-handed MLB starting pitcher for the Milwaukee Brewers, drafted 71st overall by the Padres in 2021, traded for Josh Hader in 2022, debuted with six scoreless innings in 2024, and had Tommy John surgery that June.
Roberto Alomar
Roberto Alomar Velázquez (born 1968, Ponce, Puerto Rico), Puerto Rican Hall of Fame second baseman; 17 MLB seasons, 2,724 hits, record 10 Gold Gloves, 12 All-Star selections, 1992-93 World Series with Toronto; placed on MLB ineligible list in 2021.
Roberto Clemente
Roberto Clemente (Roberto Clemente Walker), Puerto Rican Pirates right fielder 1955-1972; 3,000 hits, .317, 12 Gold Gloves, 1966 MVP; died 1972 in Nicaragua relief plane crash; first Latin American Hall of Famer.
Roberto Osuna
Roberto Osuna, born 1995 in Sinaloa, Mexico, is a right-handed relief pitcher; MLB closer for Toronto and Houston with 155 saves, youngest ever to 100 and 150 saves, suspended 75 games in 2018 under MLB's domestic violence policy, now with Japan's SoftBank Hawks.
Robin Roberts (baseball)
Robin Roberts (1926–2010), Hall of Fame right-handed pitcher for the Philadelphia Phillies, Whiz Kids ace of the 1950 pennant; 286 wins, 305 complete games, 28 straight complete games, inducted 1976.
Robin Ventura
Robin Ventura (born 1967, Santa Maria, CA) is a former MLB third baseman (1989-2004) with the White Sox, Mets, Yankees, and Dodgers; six Gold Gloves, 294 home runs, 18 grand slams, and White Sox manager 2012-2016 (375-435).
Robin Yount
Robin Yount (born 1955) is a Hall of Fame shortstop and center fielder who played 20 seasons (1974-1993) entirely for the Milwaukee Brewers, won AL MVP in 1982 and 1989, and collected 3,142 hits.
Robinson Canó
Robinson Canó (Robinson José Canó, born 1982, San Pedro de Macorís) is a Dominican second baseman; Yankees 2005-13, Mariners 2014-18, Mets 2019-22; .301, 335 HR, 2,639 hits, 2009 World Series, 2013 WBC MVP, now with Diablos Rojos del México.
Rocco Baldelli
Rocco Baldelli, Minnesota Twins manager 2019-2025; 2019 AL Manager of the Year; 527-505 record, three playoff berths, 2023 Wild Card Series win; dismissed September 29, 2025.
Rochester Red Wings
Rochester Red Wings, Triple-A International League team in Rochester, NY, Washington Nationals affiliate since 2021; established 1899, oldest continually operating Minor League club, 20 championships including the 2026 IL title.