Dave Duncan (baseball) - Wikipedia
2021 Managerial Search Tracker - MLB Trade Rumors
White Sox Bring In Dave Duncan As Organizational Pitching Consultant
White Sox changed Comiskey Park dimensions for more home runs
Dave Duncan (baseball) - Wikipedia
Carlton Fisk – South Side Hit Pen
2014 Belmont Baseball Media Guide by Belmont Athletics - Issuu
White Sox changed Comiskey Park dimensions for more home runs
CardCorner: 1968 Topps Dave Duncan