 Each team plays two games against each of the other eight teams, plus two divisional games with opponents rotating each season.With 18 regular season games being played, each team gets three bye weeks.The most popular featured week in the CFL season is the Labour Day Classic, played over the course of the Labour Day weekend, where the matchups feature the first half of home-and-home series between the traditional geographic rivalries of Toronto–Hamilton (a rivalry which began in 1873), Edmonton–Calgary (see Battle of Alberta), Winnipeg–Saskatchewan, and Ottawa–Montreal.