81-52 (.609)
League Note
The National League and the American Association faced each other in a World's Championship Series at the end of the season to determine an overall champion.
Manager
Ballpark
Attendance
Unknown
The 1888 Philadelphia Athletics, managed by Billy Sharsig, missed the postseason after finishing the AA regular season in 3rd place with a 81-52 record.
League Note
The National League and the American Association faced each other in a World's Championship Series at the end of the season to determine an overall champion.