The Los Angeles Bulldogs were a professional American football team that competed from 1936 to 1948. Formed with the intention of joining the National Football League in 1937, the Bulldogs were the first team on the major league level to play its home games on the American West Coast. They were considered "the best football team in existence outside the NFL".

The Midwest Football League (MFL) was a professional american football minor league that existed from 1935 to 1940. Originally comprising teams from Ohio, Kentucky, Indiana, and Illinois, the league eventually expanded its reach to include teams from Missouri, Tennessee, Wisconsin, and California to become a national league with major league aspirations by 1939. In 1938, the league became the American Professional Football League after the collapse of the second major league of the same name, but changed its name once again the following year to American Professional Football Association (APFA). Some sources refer to it as the American Professional Football League.