Frank Matt Baumann was an American pitcher in Major League Baseball who played for the Boston Red Sox, Chicago White Sox and Chicago Cubs between 1955 and 1965. He batted and threw left-handed, stood 6 feet tall and weighed 205 pounds.
Baumann signed with the Red Sox in 1952 out of high school in his native St. Louis, receiving a $90,000 bonus from owner Tom Yawkey, who nicknamed him "Beau". From Wikipedia