IN THE NEWS: After having led the AA race all season except for three days in April, St. Louis falls to 2nd place behind Brooklyn after losing to Columbus 6–5 on a 10th-inning home run by Dave Orr.
IN THE NEWS: In the afternoon game of a Labor Day doubleheader in Boston, Hardie Richardson hits a leadoff homer and P John Clarkson (36-13) makes it stand up for a 1–0 win.
IN THE NEWS: Indianapolis (National League) gets a last-second reprieve in the 9th inning when the ump calls time just before Con Daily apparently makes the last out of the game. Batting again, Daily singles home two runs to cap a 6-run rally to beat Boston, 8–7.
IN THE NEWS: Three walks off Silver King and an error by 2B Robinson hand the game to the Orioles as the slumping Browns (AA) lose again, 3–2, in seven innings.
IN THE NEWS: In the most controversial game in AA history, the Browns walk off the field in Brooklyn while leading 4–2 in the 9th inning. They claim it is too dark to play, but the lighted candles in front of their bench by owner Chris Von der Ahe make umpire Fred Goldsmith determined to finish the game no matter what. Several St. Louis players are hit with bottles as they leave the grounds.
IN THE NEWS: Claiming they cannot count on their personal safety, the Browns fail to show up for the scheduled Sunday game with the Bridegrooms at Ridgewood. The forfeit pushes the Browns 41/2 games behind.
IN THE NEWS: 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.
IN THE NEWS: Hoss Radbourn pitches a complete doubleheader for Boston, too, but fails to win either game. After losing the opener to Cleveland, 3–0, he has to hit a home run himself in the 9th inning of the nightcap to salvage a 4–4 tie.
IN THE NEWS: 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 4th game is seven innings.
IN THE NEWS: Kelly and Nash, each of whom homered earlier in the game, combine hits in the 8th inning to beat Washington, 4–3, and keep the Beaneaters a half game behind the Giants.
IN THE NEWS: 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.
IN THE NEWS: The Brotherhood of Professional Base ball Players' organizational plan for a new Players' League is leaked to the press in New York. It calls for clubs to be owned jointly by players and capitalists.
IN THE NEWS: After Buck Ewing hurts his thumb, Giants sub 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.
IN THE NEWS: The Philadelphia National League club releases union activists George Wood and Dan Casey. Meanwhile, the Boston club announces the purchase of the entire WA champion Omaha team for 1890. This latter deal would not actually take place.
IN THE NEWS: Boston (National League) beats Cleveland 6–3 in seven innings, while New York ties Pittsburgh 3–3 in six innings. This leaves Boston trailing by .002 with a record of 80-43 compared to New York's 79-42. Each club has five games left.