 In a seven-season career, Sisler posted a 38–44  record with a 4.33 ERA in 247 appearances, including 29 saves, 12 complete games, one shutout and 656⅓ innings.Sisler retired from baseball after the 1963 season to become an investment firm executive, a career that lasted for over 30 years, retiring as a vice-chairman for A. G. Edwards.His father, Hall of Famer George Sisler; and one of his brothers, Dick Sisler, also played baseball at the major league level; while another brother, George Sisler, Jr., was a general manager for several minor league baseball teams, and later became president of the International League from 1966 to 1976.