1st A social game (as opposed to a championship match) is played between the Champion Eckfords and the visiting Haymakers, with the Eckfords winning, 23–19, in 8 innings. Alphonse Martin is effective on the mound, giving up 23 fly outs and foul ball flies. Jimmy Wood, 2B, catches 7 flies.
9th In the 2ndgame of the Championship Series at the Union Grounds, Eckford defeats the Atlantics, 23–9. Surprise starter Pinkham is the winning pitcher.
12th The Chicago Baseball club organizes with an express object of employing a picked nine of professional players for the 1970 season. The impetus behind the move is thought to be the success of the Cincinnati team.
18th The Philadelphia Athletics travel to Cincinnati for a return match. 8,000 fans cheer the Reds on to a 17–12 win, their 58thwin of the year without a loss. Asa Brainard is the winner over Dick McBride.