Joel Edward Horlen (born August 14, 1937) is an American former professional baseball pitcher.
He played in Major League Baseball (MLB) from 1961 to 1972 for the Chicago White Sox and Oakland Athletics.
In references, he is called Joe Horlen or Joel Horlen with roughly equal frequency.From 1964-68, Horlen led all American League pitchers with a 2.32 ERA.
In his career, Horlen won 116 games against 117 losses, with a 3.11 earned run average and 1,065 strikeouts in 2,002 innings pitched.
He is the only baseball player to play for teams that won a Pony League World Series (1952), a College World Series (Oklahoma State-1959), and a Major League World Series (Oakland-1972).