Akron Pros
Buffalo All-Americans
Canton Bulldogs
Chicago Cardinals
Chicago Tigers
Cleveland Tigers
Columbus Panhandles
Dayton Triangles
Decatur Staleys
Detroit Heralds
Hammond Pros
Muncie Flyers
Rochester Jeffersons
Rock Island Independents
1921
Akron Pros
Buffalo All-Americans
Canton Bulldogs
Chicago Cardinals
Chicago Staleys
Cincinnati Celts
Cleveland Tigers
Columbus Panhandles
Dayton Triangles
Detroit Tigers
Evansville Crimson Giants
Green Bay Packers
Hammond Pros
Louisville Brecks
Minneapolis Marines
Muncie Flyers
New York Brickley Giants
Rochester Jeffersons
Rock Island Independents
Tonawanda Kardex
Washington Senators
1922
Akron Pros
Buffalo All-Americans
Canton Bulldogs
Chicago Bears
Chicago Cardinals
Columbus Panhandles
Dayton Triangles
Evansville Crimson Giants
Green Bay Packers
Hammond Pros
Louisville Brecks
Milwaukee Badgers
Minneapolis Marines
Oorang Indians
Racine Legion
Rochester Jeffersons
Rock Island Independents
Toledo Maroons
1923
Akron Pros
Buffalo All-Americans
Canton Bulldogs
Chicago Bears
Chicago Cardinals
Cleveland Indians
Columbus Tigers
Dayton Triangles
Duluth Kelleys
Green Bay Packers
Hammond Pros
Louisville Brecks
Milwaukee Badgers
Minneapolis Marines
Oorang Indians
Racine Legion
Rochester Jeffersons
Rock Island Independents
St. Louis All-Stars
Toledo Maroons
1924
Akron Pros
Buffalo Bisons
Chicago Bears
Chicago Cardinals
Cleveland Bulldogs
Columbus Tigers
Dayton Triangles
Duluth Kelleys
Frankford Yellow Jackets
Green Bay Packers
Hammond Pros
Kansas City Blues
Kenosha Maroons
Milwaukee Badgers
Minneapolis Marines
Racine Legion
Rochester Jeffersons
Rock Island Independents
1925
Akron Pros
Buffalo Bisons
Canton Bulldogs
Chicago Bears
Chicago Cardinals
Cleveland Bulldogs
Columbus Tigers
Dayton Triangles
Detroit Panthers
Duluth Kelleys
Frankford Yellow Jackets
Green Bay Packers
Hammond Pros
Kansas City Cowboys
Milwaukee Badgers
New York Giants
Pottsville Maroons
Providence Steam Roller
Rochester Jeffersons
Rock Island Independents
1926
Akron Indians
Brooklyn Lions
Buffalo Rangers
Canton Bulldogs
Chicago Bears
Chicago Cardinals
Columbus Tigers
Dayton Triangles
Detroit Panthers
Duluth Eskimos
Frankford Yellow Jackets
Green Bay Packers
Hammond Pros
Hartford Blues
Kansas City Cowboys
Los Angeles Buccaneers
Louisville Colonels
Milwaukee Badgers
New York Giants
Pottsville Maroons
Providence Steam Roller
Racine Tornadoes
1927
Buffalo Bisons
Chicago Bears
Chicago Cardinals
Cleveland Bulldogs
Dayton Triangles
Duluth Eskimos
Frankford Yellow Jackets
Green Bay Packers
New York Giants
New York Yankees
Pottsville Maroons
Providence Steam Roller
1928
Chicago Bears
Chicago Cardinals
Dayton Triangles
Detroit Wolverines
Frankford Yellow Jackets
Green Bay Packers
New York Giants
New York Yankees
Pottsville Maroons
Providence Steam Roller
1929
Boston Bulldogs
Buffalo Bisons
Chicago Bears
Chicago Cardinals
Dayton Triangles
Frankford Yellow Jackets
Green Bay Packers
Minneapolis Red Jackets
New York Giants
Orange Tornadoes
Providence Steam Roller
Staten Island Stapletons
