1858 September

8th The first game under the “New York rules” is played in New England, on the Boston Common. The Tri-Mountain Club of Boston loses to the visiting Portland, Maine club, 47–42.

10th The Fashion Course Series comes to an end before several thousand spectators, the largest crowd to witness a game so far. The New York all stars beat Brooklyn, 29–18, with Gelston and Pinckney homering for the winners. This series will catapult baseball in the public eyes.