Hall of Fame MLB pitcher who retired with 373 wins and a career 2.46 ERA; helped lead the St. Louis Cardinals to a World Series Championship in 1929.
He signed his first pro contract at the age of 20, paying him $50 a month.
He won the National League triple crown three times in his career: 1915, 1916, and 1920.
Married Amy Marie Arrants on the last day of May before leaving to fight in World War I.
He was named after former US President Grover Cleveland.