 For the next decade, he served in similar roles with other St. Louis Cardinal minor league teams, including the Omaha Cardinals, one of two AAA teams in the Cardinals minor league system.While at Omaha, Bergesch signed future Hall of Fame pitcher Bob Gibson, from Creighton University

Bergesch was called to the St Louis head office in 1960.In 1961 he joined the joining the Kansas City Athletics, which had recently been purchased by Charles O. Finley, as Assistant General Manager to Frank Lane.