From BR Bullpen
|1890 in baseball|
|<< 1889 1891 >>|
Championships, events, culture, births, and deaths that occurred in 1890.
 Club competitions
 North America
- World's Series: Brooklyn Bridegrooms (NL) over the Louisville Colonels (AA), 3 - 3 - 1 (Details)
- Players League: Boston Reds (Details)
 Winter Leagues
- Further information: Births in 1890
- Further information: Deaths in 1890
 Further Reading
- Charles C. Alexander: Turbulent Seasons: Baseball in 1890-1891, Southern Methodist University Press, Dallas, TX, 2011.