1,478 articles
Jackie Robinson
Jackie Robinson (Jack Roosevelt Robinson), Brooklyn Dodgers infielder who broke MLB's color barrier on April 15, 1947; 1947 Rookie of the Year, 1949 NL MVP, 1962 Hall of Famer, number 42 retired league-wide.
Jackie Robinson Day
Jackie Robinson Day, MLB's April 15 observance since 2004, marks Jackie Robinson's 1947 Brooklyn Dodgers debut breaking baseball's color barrier; all on-field personnel wear his retired No. 42.
Jackson Flora
Jackson Reed Flora (born 2005) is an American right-handed pitcher drafted 4th overall in the 2026 MLB Draft by the San Francisco Giants out of UC Santa Barbara, the 2026 National Pitcher of the Year.
Jackson Holliday
Jackson Matthew Holliday (born 2003), Orioles second baseman, first overall pick of the 2022 MLB draft, son of Matt Holliday, former No. 1 overall prospect, MLB debut April 10, 2024.
Jackson Kent
Jackson Kent (born 2003) is a left-handed starting pitcher for the Washington Nationals, a 2024 fourth-round pick from Arizona who debuted August 12, 2026, with a 60-grade changeup and 4.22 minor-league ERA.
Jacob deGrom
Jacob deGrom (born 1988) is an American right-handed pitcher for the Texas Rangers; two-time Cy Young winner (2018, 2019) with the Mets, known for record strikeout and WHIP rates and two Tommy John surgeries.
Jacob Lombard
Jacob Lombard (born 2007) is a shortstop drafted 14th overall in 2026 by the Miami Marlins out of Gulliver Prep; son of George Lombard Sr., brother of George Lombard Jr.; signed $5 million.
Jacoby Ellsbury
Jacoby Ellsbury, born 1983 in Madras, Oregon, is a former MLB center fielder of Navajo descent who starred for the Red Sox (2007 and 2013 World Series, 2011 MVP runner-up) before an injury-plagued $153 million Yankees contract ended in release and a grievance.
Jake Arrieta
Jake Arrieta (born 1986) is a retired American MLB right-handed pitcher, 2015 NL Cy Young winner and 2016 World Series champion with the Cubs; two no-hitters, career 115-93, 3.98 ERA with Orioles, Cubs, Phillies, Padres.
Jake Mangum
Jake Mangum (born 1996) is an MLB outfielder for the Pittsburgh Pirates, formerly with the Rays and Mets organizations; SEC all-time hits leader (383) at Mississippi State, 2025 MLB debut at age 29.
Jake Peavy
Jake Peavy is an American former MLB pitcher who won the 2007 NL Cy Young Award and World Series titles with the 2013 Red Sox and 2014 Giants.
James Paxton (baseball)
James Paxton, "Big Maple," Canadian left-handed pitcher (born 1988, Ladner, BC) who pitched 2013-2024 for Seattle, Yankees, Boston, and Dodgers, threw a 2018 no-hitter, and returned with Canada in 2026.
Jamie Moyer
Jamie Moyer (born 1962) is an American former MLB left-handed pitcher, 1986-2012, with 269 wins, a 4.25 ERA, and 4,074 innings; oldest pitcher ever to win a game, at 49 years 150 days, and 2008 World Series champion with Philadelphia.
Jarren Duran
Jarren Duran (born 1996, Corona, CA) is a Boston Red Sox outfielder, 2018 seventh-round pick from Long Beach State, 2024 All-Star Game MVP who led MLB in doubles and triples, and a mental-health advocate.
Jarrod Saltalamacchia
Jarrod "Salty" Saltalamacchia, switch-hitting MLB catcher (2007-2018), longest surname in MLB history; 2013 World Series champion with Boston; 110 career home runs; later Miami Hurricanes coach.
Jason Giambi
Jason Giambi (born 1971), American MLB first baseman/DH for the Athletics, Yankees, Rockies, and Indians, 1995-2014; 2000 AL MVP, 440 home runs, 50.5 WAR; admitted steroid use, fell off the 2020 Hall of Fame ballot in one year.
Jason Heyward
Jason Heyward (born 1989), nicknamed the J-Hey Kid, MLB outfielder for Braves, Cardinals, Cubs, Dodgers, Astros, Padres; five Gold Gloves, 2016 World Series champion famous for Game 7 rain-delay speech; retired 2026.
Jason Kipnis
Jason Kipnis (born 1987) is a retired American MLB second baseman, two-time All-Star who played nine seasons for Cleveland and one for the Cubs, hitting .260 with 126 home runs and 136 stolen bases.
Jason Varitek
Jason Varitek (Tek), born 1972, American catcher who spent his entire 15-season career (1997-2011) with the Boston Red Sox, team captain, caught a record four no-hitters, won 2004 and 2007 World Series, later Red Sox coach.
Jasson Domínguez
Jasson Domínguez, "El Marciano" (The Martian), Dominican-born Yankees switch-hitting outfielder signed 2019 for a record $5.1 million bonus; MLB debut September 1, 2023, hitting four home runs in his first seven games.
Javier Báez
Javier Báez (El Mago), born 1992 in Bayamón, Puerto Rico, is a Tigers infielder/outfielder drafted ninth overall by the Cubs in 2011; 2016 World Series champion, 2018 NL RBI leader, 2020 Gold Glove shortstop.
Javier Sanoja
Javier Ernesto Sanoja is a Venezuelan utility player for the Miami Marlins who debuted in September 2024 and won the 2025 National League Gold Glove at utility.
Javy López
Javy López (Javier Torres Lopez, born 1970, Ponce, Puerto Rico) is a former MLB catcher for the Braves, Orioles, and Red Sox; 1995 World Series champion, 1996 NLCS MVP, and 2003 record 42 home runs as a catcher.
Jay Bell
Jay Bell (born 1965) is a former MLB shortstop and second baseman, 1986-2003, with Cleveland, Pittsburgh, Kansas City, and Arizona; 1993 Gold Glove and Silver Slugger; scored the winning run in the 2001 World Series.
Jay Bruce
Jay Bruce, born 1987 in Beaumont, Texas, is an American former professional baseball outfielder who hit 319 home runs over 14 MLB seasons, mostly for the Cincinnati Reds.
Jayson Werth
Jayson Werth (born 1979) is a former MLB outfielder, 2008 World Series champion with the Phillies and 2012 NLDS walk-off hero for the Nationals; retired 2018 with 229 home runs, later a racehorse owner.
Jazz Chisholm Jr.
Jazz Chisholm Jr. (Jasrado Hermis Arrington Chisholm Jr.), Bahamian MLB infielder for the Yankees, formerly Marlins; two-time All-Star, 2025 Silver Slugger, first 30-30 Yankee since Soriano, MLB The Show '23 cover athlete.
Jean Segura
Jean Segura (El Mambo), Dominican MLB infielder born 1990; two-time All-Star shortstop/second baseman for Angels, Brewers, Diamondbacks, Mariners, Phillies, Marlins; .281 average, 1,545 hits, 211 steals; retired May 2025.
Jeff Bagwell
Jeff Bagwell, born 1968, is a Hall of Fame first baseman who spent all 15 seasons (1991-2005) with the Houston Astros after the 1990 Larry Andersen trade, winning the 1991 NL Rookie of the Year and 1994 NL MVP with 449 career home runs.
Jeff Francoeur
Jeff Francoeur (Frenchy), born 1984, is a former MLB right fielder, 2005 Braves debut homer, 2007 Gold Glove, 160 career home runs, and current Braves and TNT Sports broadcast analyst.