Football Today: Source from: Surebet247.com Atletico Madrid's president had said his side could not afford the fee required in order for the Belgian to play against his parent club but Uefa says any clause is "unenforceable" Uefa has ruled that Thibaut Courtois will be allowed to play for Atletico Madrid against Chelsea in the semi-finals of the Champions League. Atletico’s president Enrique Cerezo had claimed that the club could not afford the fee, believed to be above €10 million, required in order for the on-loan goalkeeper to feature against his parent side. But after the two sides were paired together in Friday's draw, Uefa stated any clause in the 21-year-old's contract with Chelsea is “null, void and unenforceable” during a Champions League fixtue. A statement from Uefa read: “The integrity of sporting competition is a fundamental principle for UEFA.