Real Madrid striker Karim Benzema on Friday admitted to investigators that he was supposed to act as an intermediary between a friend and his France teammate Mathieu Valbuena in a sexblackmail case. Benzema reportedly told police he felt “stupid” when confronted with the evidence. The center-forward has been charged over the case in which Valbuena went to the police after beingapproached for money by men claiming to be in possession of a sex tape featuring the Lyon midfielder.