Bob Tewksbury, American baseball player and coach

Robert Alan Tewksbury (born November 30, 1960) is a retired Major League Baseball pitcher and current Mental Skills Coordinator for the Chicago Cubs. He played professionally for the New York Yankees, Chicago Cubs, St. Louis Cardinals, Texas Rangers, San Diego Padres and the Minnesota Twins.

Bob Tewksbury has the second-lowest ratio of base on balls per innings pitched for any starting pitcher to pitch in the major leagues since the 1920s, and the lowest ratio for any pitcher to pitch since the 1800s except for Deacon Phillippe, Babe Adams, Dan Quisenberry, and Addie Joss.