Thomas Earl Dukes is an American former professional baseball player. The native of Knoxville, Tennessee, was a right-handed relief pitcher who appeared in 161 games over six seasons (1967–1972) for the Houston Astros, San Diego Padres, Baltimore Orioles and California Angels of Major League Baseball. He attended the University of Tennessee and was listed as 6 feet 2 inches (1.88 m) tall and 185 pounds (84 kg).