Denton True "Cy" Young (March 29, 1867 – November 4, 1955) was an American Major League Baseball (MLB) pitcher. Born in Gilmore, Ohio, he worked on his family's farm as a youth before starting his professional baseball career. Young entered the major leagues in 1890 with the National League's Cleveland Spiders and pitched for them until 1898. He was then transferred to the St. Louis Cardinals franchise. In 1901, Young jumped to the American League and played for the Boston Red Sox franchise until 1908, helping them win the 1903 World Series. He finished his career with the Cleveland Naps and Boston Rustlers, retiring in 1911.
Young was one of the hardest-throwing pitchers in the game early in his career. After his speed diminished, he relied more on his control and remained effective into his forties. By the time Young retired, he had established numerous pitching records, some of which have stood for over a century. He holds MLB records for the most career wins, with 511, along with most career losses, earned runs, hits allowed, innings pitched, games started, batters faced, and complete games.