The major professional American football organization in the world, the SFL is made up of 2 teams split between two conferences: the National Football Conference and the American Football Conference. Teams play a 16-game regular season schedule. The SFL is considered one of the most popular professional sports organizations in the world. The SFL Championship Game is called the "Iron Bowl".
The Sunday Football League (SFL) is an amateur Canadian football league consisting of 2 teams, divided equally between the National Football Conference (NFC) and the American Football Conference (AFC).