The American League and National League agree on next year’s expansion and playoff format. Each league will divide their twelve teams into two six-team divisions, playing a best-of-five game league championship series to determine the pennant winner.

The American League and National League reach an agreement on next year’s expansion format. The twelve teams in each league will be divided into two divisions playing a best-of-five games League Championship Series to determine the pennant winner.

Hank Bauer is fired as manager of the Orioles. He is replaced by Earl Weaver.