1870 in baseball

ChampionsNational Association of Base Ball Players: Chicago White Stockings, albeit disputed by Mutual of New YorkEventsJune 14 – After 84 consecutive wins since assembling the first professional team in winter 1869, the Cincinnati Red Stockings lose 8–7 to 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.June 20 – For the second time in three weeks the Philadelphia Athletics defeat the Brooklyn Atlantics by a 19–3 score, giving the victors possession of the championship flag.July 23 – The visiting Mutuals of New York defeat the Chicago White Stockings 9–0 before 5,000 spectators at Dexter Park. The shutout pitched by Rynie Wolters is the first against any NABBP championship contender, inspiring Chicago (verb) and Chicago game as lingo for shutout through the 1890s.July 27 – The Red Stockings lose at home for the first time in their professional era, dropping an 11–7 decision to the Athletics of Philadelphia.September 15 – In front of a crowd of 4,000 that paid 50¢ at the Union Grounds in Brooklyn, the New York Mutuals beat the Athletics for the se