Union Association
Union Association was a baseball league in the 19th century that last one season 1884. St Louis won the pennant and joined the National League the following season. Chicago moved to Pittsburgh in late August and four teams folded during the season and were replaced
Union Association Franchises 1884
- Altoona Unions
- Baltimore Monumentals
- Boston Unions
- Chicago Browns / Pittsburgh Stogies
- Cincinnati Outlaw Reds
- Keystone of Philadelphia
- Washington Nationals
- St. Louis Maroons
Midseason Replacement teams
- Kansas City Unions replaced Altoona
- Wilmington Quicksteps replaced Philadelphia
- Milwaukee Grays replaced Wilmington
- St. Paul Whitecaps replaced Pittsburgh