Claud Lester (Deek) Derrick was a Major League Baseball shortstop.

He played five seasons in his career, for the Philadelphia Athletics in 1910-1912, the New York Yankees in 1913, and the Cincinnati Reds and Chicago Cubs in 1914.

He had 79 career hits in 326 at-bats with one home run and 33 RBI.

He was discovered by Athletics' first baseman and captain Harry Davis in 1909 while playing for the Greenville Spinners in the Carolina Association when Davis and a group of Athletics players were in Greenville.

This biographical article relating to an American baseball shortstop is a stub.