A look at the history of football cards from non-NFL leagues - Sports Collectors Digest
Alliance of American Football might seem a long shot, but league has shot to work
I watched the XFL so you don't have to (but you should!): 12 quick takeaways - The Athletic
At Dawn of AAF Era, Technological Innovation Drives Live Productions
New Pro-Football League Wants to Build a Data Business, Starting With Its Own App
Charlie Ebersol Talks Betting And The Future Of The AAF
What the AAF taught us about the business of sports. XFL 2.0. The future of football.
What's up with that VC-backed football league?
Alliance of American Football - Ready or Not is HERE!
Pro football: Will new leagues like AAF, XFL change NFL, college game?
United States Football League (2022) - Wikipedia
AAF suspends football operations with two weeks left in regular season