3rd At Hoboken, in one of the few grand matches of the year, the Mutuals beat the Atlantics, 23–18.
16th At the Atlantic Grounds on Bedford, Long Island, a crowd of 8,000 see the Atlantics score a record 26 runs in the 2nd inning to whip the Mutuals, 52–27 in 6 innings. Because the 3rd game in the series will not be played, the Atlantics retain the whip-pennant for 1861.
21st In Hoboken, the greatest event of the season, the Grand Match for the Silver Ball, takes place on the Mutuals’ Grounds at Hoboken between all-star teams from Brooklyn and New York. The Silver Ball Trophy is the same size as a regular baseball and will be kept by the club whose members score the most runs during the match. Fifteen thousand fans see the Brooklyn team, behind their star Jim Creighton, defeat New York 18–6.