5th The patent dispute between Thayer & Wright and A. G. Spalding & Brothers goes to court in Chicago. Thayer is the Harvard pitcher who claimed to have invented the catcher’s mask, while G. Wright and Spalding are former teammates on the champion Boston Red Stockings. In the eventual settlement, Thayer’s claims will be upheld and he will receive a royalty on masks sold from Spalding’s company. Spalding will buy out many rivals on his way to establishing a monopoly in the sporting goods business.
9th Kansas City is admitted to the NL on a one-year trial basis.
21st Close to 8,000 fans jam the little ball park in Havana to see the home team beat Almendares, 9–5, to win the Cuban Championship.
24th Kansas City hires 30-year-old Dave Rowe to manage the Cowboys.
27th The Cincinnati AA club is sold by Aaron Stern to Louis Huack, a wealthy brewer and banker.