What was Sepp Blatter's motivation for announcing he would resign, and what does that mean for the future of FIFA? Is true reform actually on the way? On the field, the Women's World Cup and Champions League final take center stage. SI's Grant Wahl, Brian Straus, Ben Lyttleton and Avi Creditor break it all down during a landmark week in world soccer.Learn more about your ad choices. Visit megaphone.fm/adchoices