Chelsea's Brazilian-born Spanish striker Diego Costa (2nd L) vies with Schalke's Nigerian forward Chinedu Obasi (L) and Schalke's midfielder Kevin Prince Boateng (R) during the UEFA Champions League, group G football match between Chelsea and Schalke 04 at Stamford Bridge, in London on September 17, 2014. The game finished 1-1. AFP PHOTO / ADRIAN DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
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AFP ADRIAN DENNIS