Clyde Mitchell Shoun (March 20, 1912 – March 20, 1968) was an American professional baseball player. A left-handed pitcher, he was born in Mountain City, Tennessee, and known as "Hardrock", due to his fastball.
Shoun was 23 years old when he broke into the big leagues on August 7, 1935, with the Chicago Cubs. He played for the Cubs, Cincinnati Reds, St. Louis Cardinals, Boston Braves, and Chicago White Sox. He died on his 56th birthday in Johnson City, Tennessee.
Shoun led the Major Leagues in Games Pitched with 54 in 1940.
While with the Reds, he no-hit the Boston Braves 1–0 on May 15, 1944. The lone baserunner came on a walk to his mound opponent, Jim Tobin—himself a no-hit pitcher just 18 days earlier on April 27.