On 29 April 2007, Chelsea released a statement on their official website, informing fans that Ballack had undergone ankle surgery in Munich. As a result, Ballack did not play in the FA Cup final against Manchester United, which Chelsea won 1–0 through Didier Drogba's extra time goal.
In 2002, the European Commission exempted Visa's multilateral interchange fees from Article 81 of the EC Treaty that prohibits anti-competitive arrangements. However, this exemption expired on December 31, 2007. In the United Kingdom, MasterCard has reduced its interchange fees while it is under investigation by the Office of Fair Trading.