Answer
The Canadian Football League, the professional gridiron football league in Canada, was formed in 1958 with two divisions: the Western Conference and the Eastern Conference. The Western Conference consisted of the Calgary Stampeders, Edmonton Eskimos, Saskatchewan Roughriders, and Winnipeg Blue Bombers, while the Eastern Conference consisted of the Hamilton Tiger-Cats, Ottawa Rough Riders, Toronto Argonauts, and Montreal Alouettes.