The Philadelphia Athletics make some changes as a result of a front office coup. Connie Mack’s son, Earle, who has been assistant manager, assumes the duties of chief scout. Earle, who had hoped to succeed his father as manager, is replaced by Jimmy Dykes. Mickey Cochrane is named general manager.

On May 26, 1950 — The Philadelphia Athletics make some changes as a result of a front office coup. Connie Mack’s son, Earle, who has been assistant manager, assumes the duties of chief scout. Earle, who had hoped to succeed his father as manager, is replaced by Jimmy Dykes. Mickey Cochrane is named general manager.

Source:
Baseball Reference May 26