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Heath Bell
Heath Bell (born 1977) is a former MLB relief pitcher, also called Heath Justin Bell, closer for the Padres 2007-11 with 134 saves, three straight All-Star games, and MLB Delivery Man of the Year in 2010.
Héctor Rodríguez (outfielder)
Héctor Rodríguez (Héctor Junior Rodríguez), Dominican outfielder for the Cincinnati Reds; signed by the Mets in 2021, traded to Cincinnati in 2022, MLB debut August 4, 2026; former Reds top prospect, left-handed hitter.
Henry Chadwick (writer)
Henry Chadwick (1824–1908), English-born American sportswriter called the Father of Baseball; invented the box score and 'K' for strikeouts, edited Beadle's and Spalding's guides, and was elected to the Hall of Fame in 1938.
Herb Pennock
Herb Pennock (Herbert Jefferis Pennock), Hall of Fame left-handed pitcher (1894-1948) for the Athletics, Red Sox, and Yankees; 241-162, 3.60 ERA, 5-0 in World Series play, elected 1948.
Herb Score
Herb Score (Herbert Jude Score), American left-handed pitcher for the Cleveland Indians and Chicago White Sox; 1955 AL Rookie of the Year with 245 strikeouts; career shortened by a 1957 line-drive eye injury, then a 30-year Cleveland broadcaster.
Heriberto Hernández
Heriberto Hernández (Heriberto Jose Hernández), Dominican outfielder born 1999 in Bonao; Miami Marlins left fielder, MLB debut May 30, 2025; 25 home runs in 2026, 25th in the National League.
Hideki Matsui (松井 秀喜)
Hideki Matsui (松井 秀喜), nicknamed Godzilla, Japanese outfielder born 1974; three-time Central League MVP with Yomiuri Giants, then Yankees 2003-09, 2009 World Series MVP, 507 combined NPB-MLB home runs, Japanese Hall of Fame 2018.
Hideo Nomo (野茂英雄)
Hideo Nomo (野茂英雄, born 1968) is a retired Japanese baseball pitcher who in 1995 opened the way from Nippon Professional Baseball to the Los Angeles Dodgers and MLB.
Hideto Asamura
Hideto Asamura is a Japanese professional baseball infielder for the Tohoku Rakuten Golden Eagles of Nippon Professional Baseball, known for his Pacific League record 1,346-game consecutive streak.
High school baseball in the United States
High school baseball in the United States is interscholastic baseball played under National Federation of State High School Associations rules, with each state association running its own seasons and championships.
Hilltop Park
Hilltop Park, officially American League Park, was the all-wood 1903-1912 Manhattan ballpark of the New York Highlanders, the Yankees' first home, leased from the New York Institute for the Blind and demolished in 1914.
Hiram Bithorn Stadium
Hiram Bithorn Stadium (Estadio Hiram Bithorn), opened 1962 in Hato Rey, San Juan, Puerto Rico, is the island's largest ballpark, named for the first Puerto Rican MLB player, host to the Expos, four World Baseball Classics, and 49 MLB games.
Hiroko Sakai
Hiroko Sakai (坂井寛子), born 1978 in Fukui, is a Japanese softball pitcher who won bronze at Athens 2004 and gold at Beijing 2008, plus 2002 Busan Asian Games gold.
Hiromi Itoh
Hiromi Itoh (伊藤大海), born 1997 in Hokkaido, is a left-batting, right-throwing pitcher for the NPB's Hokkaido Nippon-Ham Fighters and Japan's national team, winning baseball gold at Tokyo 2020 and pitching in the 2023 and 2026 World Baseball Classics.
History of amateur baseball in the United States
The history of amateur baseball in the United States traces unpaid play since the 1850s, from middle-class social clubs through company and municipal leagues to today's college game.
History of baseball
History of baseball: the game's contested origins (Doubleday and Cartwright myths, rounders debate), the 1845 Knickerbocker rules and 1857 convention, rule evolution, the Deadball Era, 1947 integration, and the 2023 pitch-timer rules.
History of baseball in the United States
History of baseball in the United States: from 1840s children's game through the 1869 Cincinnati Red Stockings, first openly professional team, leagues, Negro Leagues, integration, television, and modern rule changes.
Hit (baseball)
Hit (baseball): a batter reaches base on a batted ball in fair territory without an error or fielder's choice; four types (single, double, triple, home run), scored by the official scorer, and the basis of batting average.
Hitomi Kawabata
Hitomi Kawabata (川畑 瞳, born 1996) is a Japanese softball infielder for Denso who won gold in women's softball at Tokyo 2020, played every game, and also won Asian Games golds in 2018 and 2022 and the 2024 World Cup.
Hitting for the cycle
Hitting for the cycle: one batter hits a single, double, triple, and home run in one game; also called a natural cycle when in order. About two per MLB year; record three career cycles by six players.
Hitting streak
A hitting streak in baseball is a run of consecutive games with at least one hit; Joe DiMaggio's 56-game streak in 1941 remains the MLB record.
Hokkaido Nippon-Ham Fighters
Hokkaido Nippon-Ham Fighters (北海道日本ハムファイターズ), NPB Pacific League club in Kitahiroshima, Hokkaido; owned by Nippon Ham since 1973; moved from Tokyo Dome (1988-2003) to Sapporo Dome (2004-2022), then Es Con Field Hokkaido (2023); 7 pennants, 3 Japan Series titles.
Home run
Home run (HR): baseball play where the batter hits a fair ball and scores without being put out; also called homer, dinger, tater. Includes over-the-fence and rare inside-the-park versions, affected by park, wind, and temperature.
Home Run Derby
MLB All-Star Home Run Derby, annual power-hitting contest since 1985; swing-based format (20/15/15 swings) replaced the 2015 timer in 2026; Jordan Walker is reigning champion; Griffey Jr. won three titles.
Homestead Grays
Homestead Grays, Negro leagues baseball franchise founded 1910 near Pittsburgh, later splitting home games with Washington, D.C. Won nine straight pennants and three Negro World Series titles (1937–1948); Josh Gibson's team; folded May 1951.
Honkbal Hoofdklasse
Honkbal Hoofdklasse, the Dutch top baseball division (hoofdklasse), founded 1922, run by the KNBSB; 42 weekend games April-September, best-of-seven Holland Series final, closed league, Curaçao Neptunus and Amsterdam Pirates the leading clubs.
Honolulu Stadium
Honolulu Stadium, the Termite Palace, was a wooden multi-purpose stadium in Moʻiliʻili, Honolulu, opened 1926 and demolished 1976; home of UH football, the Hawaii Islanders PCL team, and the WFL Hawaiians.
Honus Wagner
Honus Wagner (Johannes Peter Wagner, 1874-1955), "The Flying Dutchman," was a Hall of Fame shortstop for the Pittsburgh Pirates and Louisville Colonels; eight NL batting titles, 3,420 hits, inaugural 1936 Hall class, and the famous T206 card.
Houston Astros
Houston Astros, MLB American League West team founded 1962 as the Colt .45s, renamed Astros in 1964. Play at Daikin Park (formerly Minute Maid Park) since 2025; World Series champions 2017 and 2022.
Houston Astros sign stealing scandal
Houston Astros sign stealing scandal: MLB rules violation in which the 2017 World Series champions used cameras, monitors, and the Codebreaker algorithm plus trash can bangs to steal signs in 2017-2018, exposed by The Athletic in 2019 and punished in 2020.