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Chelsea's Spanish midfielder Cesc Fabregas wears a mask to protect a face injury during the English Premier League football match between Chelsea and Manchester United at Stamford Bridge in London on April 18, 2015. AFP PHOTO / ADRIAN DENNIS 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 ADRIAN DENNIS/AFP/Getty Images)

Chelsea's Spanish midfielder Cesc Fabregas wears a mask to protect a face injury during the English Premier League football match between Chelsea and Manchester United at Stamford Bridge in London on April 18, 2015. AFP PHOTO / ADRIAN DENNIS

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 ADRIAN DENNIS/AFP/Getty Images)