| 1 | 
Boston Red Stockings (1871-1875) | 
| 2 | 
Chicago White Stockings
(1871; 1874-1875) | 
| 3 | 
Cleveland Forest City (1871-1872) | 
| 4 | 
Fort Wayne Kekiongas (1871) | 
| 5 | 
New York Mutuals (1871-1875) | 
| 6 | 
Philadelphia Athletics (1871-1875) | 
| 7 | 
Rockford Forest City (1871) | 
| 8 | 
Troy Haymakers (1871-1872) | 
| 9 | 
Washington Olympics (1871-1872) | 
| 10 | 
Brooklyn Atlantics (1872-1875) | 
| 11 | 
Brooklyn Eckfords (1872) | 
| 12 | 
Baltimore Lord Baltimores
(1872-1874) | 
| 13 | 
Middletown Mansfields (1872) | 
| 14 | 
Washington Nationals (1872-1873;
1875) | 
| 15 | 
Baltimore Marylands (1873) | 
| 16 | 
Philadelphia White Stockings
(1873)
          
Philadelphia Pearls (1874)
          
Philadelphia Phillies (1875) | 
| 17 | 
Elizabeth Resolutes (1873) | 
| 18 | 
Hartford Dark Blues (1874-1875) | 
| 19 | 
Philadelphia Centenials
(1875) | 
| 20 | 
New Haven Elm Citys (1875) | 
| 21 | 
St. Louis Brown Stockings
(1875) | 
| 22 | 
St. Louis Red Stockings
(1875) | 
| 23 | 
Keokuk Westerns (1875) |