The Canadian Football League (CFL; French: Ligue canadienne de football [liɡ kanadjɛn də futbol], LCF) is a professional Canadian football league in Canada. It comprises nine teams divided into two divisions, with four teams in the East Division and five in the West Division. The CFL is the highest professional level of Canadian football and is headquartered in Toronto.
The CFL was officially established on January 19, 1958 with the merger of the Interprovincial Rugby Football Union or "Big Four" (founded in 1907) and the Western Interprovincial Football Union (WIFU) (started in March 1936).