Canadian football clubs are professional teams that compete in the Canadian Football League (CFL), which is the highest level of Canadian football. The league features nine teams, including the Toronto Argonauts, Montreal Alouettes, and Calgary Stampeders. Each team represents a city and plays a 18-game regular season, followed by playoffs leading to the championship game known as the Grey Cup. These clubs have rich histories and passionate fan bases, often reflecting the culture and community of their respective cities. The teams play in stadiums across Canada, and games are known for their exciting atmosphere and unique rules, such as the use of three downs instead of four.