The NFL may be the single biggest sports league in the world, but it’s been a long and winding route to reach this point. Many of the major changes that have brought us here have taken place in the last thirty years, but none of these could have happened without what had gone before. For example, while there are now 32 teams split between the National Football League and the American Football Conference, this division dates back to merger that occurred in 1970 between the NFL and its rival the American Football League. And, while there have been countless