Bjoern Gulden, CEO of German sports goods firm Puma poses with a soccer shoe before the company's annual news conference in Herzogenaurach February 20, 2014. Puma hopes a raft of high-profile signings will stop sales falling this year after it reported revenue tumbled a worse-than-expected 13.2 percent in the last three months of 2013. REUTERS/Michaela Rehle (GERMANY - Tags: SPORT SOCCER BUSINESS)