Briefing Sepp Blatter exits, stage right. What's next for global soccer?

FIFA's long-serving president stepped down today amid growing revelations about rampant corruption in soccer's governing body. But many key questions remain unanswered, including what this means for World Cups in Russia and Qatar.

Ruben Sprich/Reuters

Sepp Blatter, president of soccer's world governing body, FIFA, announced his resignation on Tuesday, just days after a joint US-Swiss indictment saw seven FIFA officials arrested and more than a dozen indicted on US federal corruption charges. But even though Mr. Blatter apparently yielded to immense pressure to change the course of the soccer organization, many key questions remain unanswered – including what this means for the next two World Cup tournaments, which remain on the schedule. Here's what you need to know.