1,860 articles
Juan Marichal
Juan Marichal (Juan Antonio Marichal Sánchez), "The Dominican Dandy," Dominican pitcher for the Giants 1960–1973; 243–142, 2.89 ERA, 2,303 strikeouts; first Dominican elected to the Baseball Hall of Fame, 1983.
Juan Padilla
Juan Padilla (Juan Padilla Alfonso, born 1965, Havana) is a Cuban former second baseman who won Olympic baseball gold with Cuba at Barcelona 1992 and Atlanta 1996, starred for Industriales, and later managed Cuba and Ecuador.
Juan Soto
Juan Soto, Dominican MLB outfielder (Nationals, Padres, Yankees, Mets), 2019 World Series champion, 2020 NL batting title, record $765M/15-year Mets contract, elite plate discipline.
Julian Garcia (baseball)
Julian Robert Garcia (born 1995, Fort Collins, CO) is a Cincinnati Reds right-handed relief pitcher who debuted in MLB on June 23, 2026 at age 31 after eight minor league seasons, a 2022 release, and independent ball with the Kansas City Monarchs; distinct from the 2026 Brewers draft prospect of the same name.
Julie Smith
Julie Smith (Julie M. Smith), American softball infielder born 1968 in Glendora, California; 1996 Atlanta Olympic gold medalist, 1994 and 1998 ISF World Champion, Pan American Games golds, later coach at University of La Verne.
Julio Franco
Julio Franco (Julio Cesar Robles Franco, b. 1958), Dominican MLB infielder (1982-2007), oldest regular position player in MLB history; 2,586 hits, 1991 AL batting title, played professionally until 57.
Julio Rodríguez
Julio Yamel Rodríguez, Dominican MLB center fielder for the Seattle Mariners (debut 2022), 2022 AL Rookie of the Year, 3x All-Star, signed August 2022 extension worth $209.3-210 million guaranteed, up to $450-470 million.
Julio Urías
Julio Urías (El Culichi), Mexican left-handed pitcher born 1996 in Culiacán; Dodgers star 2016-2023, 60-25, 3.11 ERA, 2020 World Series champion, MLB wins leader 2021; career ended by 2023 domestic violence arrest and 2025 suspension.
Jung-ho Kang (강정호)
Jung-ho Kang (강정호), South Korean infielder, KBO star with Nexen Heroes (40 HR, 1.198 OPS in 2014), first KBO position player in MLB with Pittsburgh Pirates 2015-19, career ended by DUI suspensions.
Jupiter Hammerheads
Jupiter Hammerheads: Miami Marlins Single-A Florida State League team in Jupiter, Florida, sharing Roger Dean Chevrolet Stadium with the Palm Beach Cardinals; founded 1998, FSL champions in 2023 and 2026.
Jurickson Profar
Jurickson Profar, Curaçao-born MLB outfielder and switch hitter (Rangers, Athletics, Padres, Rockies, Braves); former No. 1 prospect, 2024 NL All-Star, later twice suspended for PEDs.
Justin Dean
Justin Emmanuel Dean (born 1996) is an American MLB center fielder for the Chicago Cubs; a 2018 17th-round pick who debuted with the Dodgers in 2025, won the 2025 World Series as a defensive replacement, and got his first hit in 2026.
Justin Lebron
Justin Lebron (born Nov. 3, 2004, Bronx, NY) is a shortstop drafted 18th overall by the Cincinnati Reds in 2026 out of Alabama; a .327 career college hitter with 66 steals, signed for $4,997,500.
Justin Morneau
Justin Morneau, born 1981 in New Westminster, BC, is a Canadian former MLB first baseman who won the 2006 AL MVP with the Twins, hit 247 career home runs, and is the only Canadian AL MVP.
Justin Turner
Justin Turner (born 1984), MLB infielder/DH nicknamed Redturn2; Orioles, Mets, Dodgers, Red Sox, Blue Jays, Mariners, Cubs; 2020 World Series champion, two-time All-Star, 2022 Roberto Clemente Award; later Toros de Tijuana.
Justin Upton
Justin Upton (J-Up), born 1987, American MLB outfielder; first overall 2005 draft pick by Arizona; brother of B.J. Upton; 4x All-Star, 3x Silver Slugger, 325 HR, .261 average, 2007-2022.
Justin Verlander
Justin Verlander (born 1983), American MLB pitcher for Tigers, Astros, Mets, Giants; three Cy Youngs, 2011 AL MVP, two World Series titles, three no-hitters, 3,560 strikeouts.
Justin Wrobleski
Justin Wrobleski (born 2000) is a left-handed pitcher for the Los Angeles Dodgers; 2021 11th-round pick from Oklahoma State, 2024 debut, 2025 World Series champion, 2026 NL All-Star.
Justine Siegal
Justine Siegal, American baseball coach and executive; first woman to coach pro men's baseball (Brockton Rox 2009), throw MLB batting practice (2011), and coach for an MLB organization (Athletics 2015); founded Baseball For All and co-founded the Women's Pro Baseball League.
Kade Anderson
Kade Anderson (born 2004, Slidell, Louisiana) is an American left-handed starting pitcher for the Seattle Mariners; drafted No. 3 overall in 2025 from LSU after leading the nation with 180 strikeouts and winning College World Series Most Outstanding Player.
Kaeden Kent
Kaeden Thomas Kent (born 2003, Austin, Texas) is a minor league shortstop, son of Hall of Famer Jeff Kent; Texas A&M, Yankees 2025 third-rounder, traded to the San Francisco Giants in 2026.
Kaelen Culpepper
Kaelen Kenneth Culpepper (born 2002) is a Minnesota Twins shortstop, drafted 21st overall in 2024 from Kansas State, MLB debut August 7, 2026, 2025 Sherry Robertson Award winner.
Kaima Taira
Kaima Taira (平良海馬), born 1999, is a Saitama Seibu Lions pitcher in NPB and Tokyo 2020 Olympic baseball gold medalist; 2020 Rookie of the Year, 2025 saves leader, 2026 ERA title winner at 1.36, expected MLB posting candidate.
Kalamazoo College Hornets
The Kalamazoo College Hornets are the varsity athletic teams of Kalamazoo College, an NCAA Division III member of the Michigan Intercollegiate Athletic Association since 1894.
Kansas City Athletics
Kansas City Athletics (1955–1967), the American League club between the Philadelphia and Oakland eras; owned by Arnold Johnson, accused of being a Yankees farm team, then Charles Finley, who moved it to Oakland.
Kansas City Monarchs
Kansas City Monarchs, Negro Leagues baseball franchise (1920-1965) founded by J.L. Wilkinson; won 10 pennants and the 1924 and 1942 Negro World Series, pioneered portable night baseball in 1930, and fielded Satchel Paige, Jackie Robinson, and Buck O'Neil.
Kansas City Royals
Kansas City Royals, MLB American League Central franchise founded as a 1969 expansion team owned by Ewing Kauffman; two-time World Series champions (1985, 2015), currently planning a downtown Crown Center ballpark opening in 2030.
Karlyn Pickens
Karlyn Pickens, Weaverville, N.C. native and Tennessee Lady Vols pitcher, drafted No. 1 overall in 2026 by the AUSL Carolina Blaze; holds softball's fastest-pitch record at 79.4 mph and won two SEC Pitcher of the Year awards.
Kauffman Stadium
Kauffman Stadium (The K), formerly Royals Stadium, is the Kansas City Royals' MLB ballpark in the Truman Sports Complex, opened April 10, 1973, renamed for Ewing Kauffman in 1993, famed for its 322-foot fountains.
Kazuma Okamoto (岡本和真)
Kazuma Okamoto (岡本和真), born 1996, is a Japanese infielder who starred 11 seasons for the Yomiuri Giants (248 HR, six-time NPB All-Star), won the 2023 WBC, and signed a four-year, $60 million Toronto Blue Jays contract in January 2026.