1889 – The Philadelphia National League club releases union activists George Wood and Dan Casey. Meanwhile, the Boston club announces the purchase of the entire Western Association champion Omaha team for 1890. This latter deal will not actually take place.

1889 – After Buck Ewing hurts his thumb, Giants substitute catcher Willard Brown makes a critical throwing error as New York loses to Chicago, 4 – 3. New York is now tied with Boston for the National League lead.

1889 – The Brotherhood of Professional Base Ball Players’ organizational plan for a new Players League is leaked to the press. It calls for clubs to be owned jointly by players and capitalists.

1889 – An emergency meeting of the American Association Board of Directors reverses the St. Louis forfeit of September 7th, the game being ruled as a 4 – 2 Browns victory, although the forfeit of September 8th still stands.

1889 – Four St. Louis errors in the 9th inning give the Red Stockings four runs, enabling Cincinnati to win, 5 – 4.

1889 – The Browns’ Tommy McCarthy steals second base, third, and home in the 7th inning of a 3 – 2 St. Louis victory in Kansas City.

Brooklyn increases its lead over St. Louis to seven games as the Browns lose in Philadelphia while Brooklyn takes a pair from Louisville.

Sioux City (Western Association) sweeps a quadruple-header from visiting St. Joseph winning 6 – 1, 12 – 7, 12 – 5, and 5 – 4. The first three games are five innings apiece and the fourth game is seven innings.

1889 – John Clarkson pitches and wins both games of a doubleheader for Boston over Cleveland, allowing just 10 hits total in the 3 – 2 and 5 – 0 victories, which put Boston two games ahead of New York in the race.

1889 – Rain prevents every scheduled game in both major leagues. For the season the National League will have 62 rainouts and the American Association 73.