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.
TEAMWLPctGB
y 1890 Louisville Colonels LogoLouisville   8844.667-
1890 Columbus Solons LogoColumbus 7955.59010.0
1890 St. Louis Browns LogoStL Browns 7758.57012.5
1890 Toledo Maumees LogoToledo 6864.51520.0
1890 Rochester Broncos LogoRochester 6363.50022.0
1890 Baltimore Orioles LogoBaltimore 1519.44124.0
1890 Syracuse Stars LogoSyracuse 5572.43330.5
1890 Philadelphia Athletics LogoPhiladelphia 5478.40934.0
1890 Brooklyn Gladiators LogoBrooklyn 2672.26545.0