He was a right-handed pitcher over parts of five seasons (1943–47) with the Boston Red Sox, Philadelphia Phillies and Boston Braves.

For his career, he compiled an 18–23 record in 191 appearances, all but four as a relief pitcher, with a 3.51 earned run average and 107 strikeouts.

Davis High School and earned a degree in industrial engineering from Manhattan College where he played college baseball and basketball for the Jaspers.

[1] Karl was born in Mount Vernon, New York and later died in La Jolla, California on his 75th birthday.

This biographical article relating to an American baseball pitcher born in the 1910s is a stub.