A while back I posted a link to a NY Times investigative piece on match-fixing in friendlies before the World Cup. At the time, many doubted this could be an issue in the Cup itself. Well, let's hope not, but the infamous match-fixer mentioned in that report supposedly predicted that Cameroon would lose to Croatia 4-0 and that a Cameroon player would be ejected in the first half. Guess what happened:
EDIT: Both Cameroon and FIFA are investigating.