Boston Americans / Red Sox (1901–1908) thumb|Young in 1902 In 1901, the rival American League declared major league status and set about raiding National League rosters. Young left St. Louis and joined the American League's Boston Americans for a $3,500 contract ($ today). Young would remain with the Boston team until 1909. In his first year in the American League, Young was dominant. Pitching to Criger, who had also jumped to Boston, Young led the league in wins, strikeouts, and ERA, thus earning the colloquial AL Triple Crown for pitchers. Young won almost 42% of his team's games in 1901, accounting for 33 of his team's 79 wins. In February 1902, before the start of the baseball season, Young served as a pitching coach at Harvard University. The sixth-grade graduate instructing Harvard students delighted Boston newspapers. The following year, Young coached at Mercer University during the spring. The team went on to win the Georgia state championship in 1903, 1904, and 1905.Spright Dowell, A History of Mercer University, 1833–1953 (Macon, Georgia: Mercer University, [1958]).
Boston Americans / Red Sox (1901–1908) thumb|Young in 1902 In 1901, the rival American League declared major league status and set about raiding National League rosters. Young left St. Louis and joined the American League's Boston Americans for a $3,500 contract ($ today). Young would remain with the Boston team until 1909. In his first year in the American League, Young was dominant. Pitching to Criger who had also jumped to Boston, Young led the league in wins, strikeouts, and ERA, thus earning the colloquial AL Triple Crown for pitchers. Young won almost 42% of his team's games in 1901, accounting for 33 of his team's 79 wins. In February 1902, before the start of the baseball season, Young served as a pitching coach at Harvard University. The sixth-grad,e graduate instructing Harvard students delighted Boston newspapers. The following year, Young coached at Mercer University during the spring. The team went on to win the Georgia state championship in 1903, 1904, and 1905.Spright Dowell, A History of Mercer University, 1833–1953 (Macon, Georgia: Mercer University, [1958]).