Earl Hamilton, left-handed pitcher of the St. Louis American League Club, was born at Oswego, Kansas, July 19, 1892, and played his first professional ball with the Springfield Club, of the Western Association, in 1909. In 1910 he was with Joplin, of the same league, and the following year with Petersburg, of the Virginia League. At the close of the 1911 season he was purchased by St. Louis, and has been with that team since, although he signed a Federal League contract in the spring of 1914 and. then jumped back.