Sun Dong-yol (; or ; born January 10, 1963) is a South Korean retired baseball pitcher and former manager. He was a pitcher in the KBO League and Nippon Professional Baseball, and the former manager of the Samsung Lions and the Kia Tigers in the KBO. Sun is one of the most celebrated pitchers in the history of the KBO League. He was voted Most Valuable Player of the league three times, won the Pitching Triple Crown four times, was awarded six Golden Gloves, and was a nine-time KBO All-Star. Sun holds the record for lowest Korea Professional Baseball career ERA, at 1.20, is third all-time in strikeouts, and recorded the top three lowest single-season ERAs in KBO League history. His teams won six Korean Series titles, and his uniform #18 was retired by the Kia Tigers. Amateur career Upon graduation from Gwangju Jeil High School, Sun joined the Korea University baseball team in 1981. In , Sun competed for the South Korea national junior baseball team in the inaugural World Junior Baseball Championship. He tossed a six-hit complete game with 11 strikeouts in a 3-1 win over United States in Game 1 of the final. South Korea eventually won the inaugural championship by defeating USA 3–2 in Game 2 as well, and Sun shared the MVP Award with Team USA ace Todd Burns. In , Sun was called up to the South Korea national baseball team for the 1982 Baseball World Cup hosted by South Korea. He led Team Korea to its first champion in the event, posting a 0.31 ERA in 29.0 innings pitched and racking up 3 complete game wins. In South Korea's second game, Sun started against future MLB star Bill Swift in a matchup of pitchers and notched a five-hit complete game victory over Team USA, allowing only one run and posting 15 strikeouts. In South Korea's final game, he threw a complete game once again in a 5–2 win over Japan. He was eventually named the MVP and selected to the All-Star team as the best right-handed pitcher. In the 1983 Intercontinental Cup, Sun was named Best Pitcher, going 3–0 including two complete game shutout wins. In August 1984, Sun competed for the South Korea national team in the 1984 Los Angeles Summer Olympics, where they finished 4th in the baseball tournament. He was 1–1 with a 0.56 ERA and 10 strikeouts, allowing only