Alonzo Albert Mattern (June 16, 1883 – November 6, 1958) was a professional baseball player who pitched in the Major Leagues from 1908 to 1912. He played for the Boston Braves.
Alonzo Albert Mattern (June 16, 1883 – November 6, 1958) was a professional baseball player who pitched in the Major Leagues from 1908 to 1912. He played for the Boston Braves. (en)