Other concurrent football leagues:    
NFL
F i l t e r   &   S o r t 
1946-1949 4 4
The Cleveland Browns franchise was founded in 1945 by Brown and businessman Arthur B. McBride as a charter member of the All-America Football Conference (AAFC). The Browns dominated the AAFC, compilin...
1946-1949 4
The 49ers were founded in 1946 as a charter member of the All-America Football Conference (AAFC) and joined the NFL in 1949 when the leagues merged. The 49ers were the first major league professional ...
1946-1949 4
The New York Yankees were a professional American football team that played in the All-America Football Conference (AAFC) from 1946 to 1949. The team played in Yankee Stadium in the Bronx and often pl...
a.k.a. Bills
1946-1949 4
The Buffalo Bills were an American football team, based in Buffalo, New York, that played in the All-America Football Conference from 1946 to 1949. During its first season in 1946, the team was known ...
1946-1949 4
In 1946, a new professional football league was launched to do battle with the long-established National Football League (NFL). This new league, the All-America Football Conference (AAFC), included ei...
a.k.a. Hornets
1946-1949 4
The Chicago Rockets were an American football team that played in the All-America Football Conference (AAFC) from 1946 to 1949. During the 1949 season, the team was known as the Chicago Hornets. Unlik...
1947-1949 3
The Baltimore Colts were a professional American football team based in Baltimore, Maryland. The first team to bear the name Baltimore Colts, it was a member of the All-America Football Conference (AA...
1946-1948 3
The Brooklyn Dodgers was an American football team that played in the All-America Football Conference (AAFC) from 1946 to 1948. The team is unrelated to the Brooklyn Dodgers that played in the Nationa...
1946-1946 1
The Miami Seahawks were the last of the AAFC's charter teams to be established. They were formed to replace an aborted Baltimore franchise which was to have been owned by retired boxer Gene Tunney. Ho...