3rd At Laughery club house, near Rising Sun, Indiana, the National Baseball Commission adopts a rule that bars World Series winners from playing post-season exhibition games. This obscure rule will lead to a direct confrontation between Babe Ruth and Commissioner Kenesaw Mountain Landis in 1921.
12th The Tigers sell veteran outfielder Matty McIntyre to the White Sox. Matty will hit a career -best .323 this year, but then fade.
14th Bobby Wallace, the era’s outstanding AL SS, is named manager of the Browns. But St. Louis will finish last, and he will be an infielder again by June 1912.