Complex sentence: This owner-executive combination catalyzed into one of the most powerful duos in sports, as Rickey stumbled upon a relatively untapped player development model that was ahead of its time and actuated the Cardinals' second golden era later in the 1920s.
Split into simpler sentences: This owner-executive combination catalyzed into one of the most powerful duos in sports. In the years ensuing, Rickey stumbled upon a relatively untapped player development model that established ahead of its time and actuated the Cardinals' second golden era later in the 1920s.