7th The rules committee states that 9 innings shall constitute an official game rather than a team scoring 9 runs. For the first time, the rules specify 9 men to a side, even though the game has been played that way since 1845.
Charlton’s Baseball Chronology
A DAY BY DAY HISTORY OF THE MOST IMPORTANT EVENTS IN THE GAME OF BASEBALL FROM 1791 TO 2019
7th The rules committee states that 9 innings shall constitute an official game rather than a team scoring 9 runs. For the first time, the rules specify 9 men to a side, even though the game has been played that way since 1845.