Emmitt Earl Thomas (born June 3, 1943) is currently the secondary coach of the National Football League's Kansas City Chiefs. He is a former college and professional football player who played for the American Football League's Kansas City Chiefs from 1966 to 1969, and then for the Chiefs in the NFL from 1970 to 1978. He owns the Chiefs all-time interception record with 58, which places him ninth on pro football's all-time list.