The league was known as the American Professional Football Association (APFA) during the 1920 and 1921 seasons
TEAMWLTPct
x 1921 Chicago Staleys LogoChi. Staleys   911.864
x 1921 Buffalo All-Americans LogoBuffalo 912.833
1921 Akron Pros LogoAkron 831.708
1921 Canton Bulldogs LogoCanton 523.650
1921 Rock Island Independents LogoRock Island 421.643
1921 Acme Packers LogoAcme 321.583
1921 Evansville Crimson Giants LogoEvansville 320.600
1921 Racine Cardinals LogoChi. Cardinals 332.500
1921 Dayton Triangles LogoDayton 441.500
1921 Rochester Jeffersons LogoRochester 230.400
1921 Cleveland Tigers LogoCleveland 350.375
1921 Washington Senators LogoWashington 120.333
1921 Hammond Pros LogoHammond 131.300
1921 Minneapolis Marines LogoMinneapolis 130.250
1921 Cincinnati Celts LogoCincinnati 130.250
1921 Detroit Tigers LogoDetroit 151.214
1921 Columbus Panhandles LogoColumbus 180.111
1921 Tonawanda Kardex LogoTonawanda 010.000
1921 New York Brickley Giants LogoNew York 020.000
1921 Muncie Flyers LogoMuncie 020.000
1921 Louisville Breckenridges LogoBrecks 020.000