AAF power rankings: How good are the Iron heading into Week 4? Unknown 00:08 The Birmingham Iron are still undefeated in the AAF, but just how good are they? Here are out updated Alliance of American Football power rankings heading into Week 4. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsCollege football scores, highlights from Week 6 gamesThree takeaways from No. 6 Notre Dame’s road win over No. 24 Virginia TechWATCH: Viktor Arvidsson scores highlight-reel goal against IslandersLSU's season won't be defined by Florida loss, but on how Tigers respondYankees vs. Red Sox results: Sanchez, Judge power Game 2 win, split in BostonMLB Postseason 2018: Three takeaways from Yankees' ALDS Game 2 win over Red Sox
