League declined to renew its membership in the "National Agreement" with the National League (NL) and declared itself a "major league", joining the ranks of Major League Baseball
TEAMWLPctGB
1900 Chicago White Stockings LogoChicago   8253.607-
1900 Milwaukee Brewers LogoMilwaukee 7958.5774.0
1900 Indianapolis Hoosiers LogoIndianapolis 7164.52611.0
1900 Detroit Tigers LogoDetroit 7167.51412.5
1900 Kansas City Blues LogoKansas City 6970.49615.0
1900 Cleveland Lake Shores LogoCleveland 6373.46319.5
1900 Buffalo Bisons LogoBuffalo 6178.43923.0
1900 Minneapolis Millers LogoMinneapolis 5386.38131.0