American Flag Football League - Find latest updates about AFFL Returns 2019. Register to play individually or with your team. Godspeed vs Fighting Cancer. Study AFFL Rules to become an officiate of American flag football league& championship regional events. Need to pass the test with 80% or higher to get certified. The American Flag Football League's 2019 season is quickly approaching! We will once again feature 128 teams playing across the country in regional events starting on NFL Draft weekend, April 27-28th in Nashville, Tennessee, and continuing through the first weekend in June.