Sam Breadon buys a controlling interest of 72% in the St. Louis Cardinals. He and Branch Rickey, who owns the rest of the stock, will combine to create one of baseball’s most successful operations. Breadon demotes Rickey to vice-president, but allows him to remain as field manager.

On May 8, 1922 — Sam Breadon buys a controlling interest of 72% in the St. Louis Cardinals. He and Branch Rickey, who owns the rest of the stock, will combine to create one of baseball’s most successful operations. Breadon demotes Rickey to vice-president, but allows him to remain as field manager.

Source:
Baseball Reference May 8