The CFL was started in 1909 and is the second most watched sport in Canada, next only to the NHL. The league contains eight teams in two conferences. The Western Conference is home to the BC Lions, the Edmonton Eskimos, the Calgary Stampeders, and the Saskatchewan Roughriders. The Eastern Conference consists of the Winnipeg Blue Bombers, the Hamillton Tiger-Cats, the Toronto Argonauts, and the Montreal Alouettes. The teams play 18 regular season games when the 6 teams with the best record advancing onto the playoffs to decide the two teams to play in the  championship game for the Grey Cup. 

for further information on the CFL and its teams, including the Lions, here are some helpful websites
www.cfl.ca
www.bclions.com