June 14 - After 84 consecutive victories dating to the team's formation in 1869, the Cincinnati Red Stockings are defeated 8-7 by the Brooklyn Atlantics before a crowd of 20,000 at the Capitoline Grounds. Bob Ferguson scores the winning run in the 11th inning on a hit by pitcher George Zettlein .
July 23 - The visiting Mutuals of New York defeat the Chicago White Stockings before 5,000 spectators at Dexter Park as pitcher Rynie Wolters pitches the first Shutout in the major history of the sport, winning 9-0. The term "Chicagoed" will gain widespread use to indicate a shutout through the 1890s.
July 27 - The Red Stockings lose at home for the first time, dropping an 11-7 decision to the Athletics of Philadelphia.
