The World of football is still trying to guess what has lead to the resignation of FIFA President Sepp Blatter, just four days after he was re-elected to a fifth term.
Despite a major corruption scandal involving top officials, Mr Blatter had seemed resolute to stay on in the position.
His resignation comes amid reports in the United States, which haven't been confirmed, that he's being investigated by the FBI.
World football's governing body has been at the centre of two separate corruption inquiries.
Our political correspondent Gavan Reilly filed this report for Today FM's National Lunchtime News:
