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Chelsea's Brazilian-born Spanish striker Diego Costa (2R) scores their second goal during the English Premier League football match between Chelsea and Newcastle United at Stamford Bridge in London on January 10, 2015. AFP PHOTO / BEN STANSALL RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or live services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. (Photo credit should read BEN STANSALL/AFP via Getty Images)

Chelsea's Brazilian-born Spanish striker Diego Costa (2R) scores their second goal during the English Premier League football match between Chelsea and Newcastle United at Stamford Bridge in London on January 10, 2015. AFP PHOTO / BEN STANSALL

RESTRICTED TO EDITORIAL USE. No use with unauthorized audio, video, data, fixture lists, club/league logos or live services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications.        (Photo credit should read BEN STANSALL/AFP via Getty Images)