LONDON, ENGLAND - SEPTEMBER 16: Schalke coach Jens Keller talks to Klaas-Jan Huntelaar during a FC Schalke 04 training session ahead of the UEFA Champions League Group G match between Chelsea and FC Schalke 04 at Stamford Bridge on September 16, 2014 in London, United Kingdom. (Photo by Mike Hewitt/Getty Images)
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