Sheffield United's English manager Nigel Clough (3rd L) speaks to referee Michael Oliver during the English League Cup quarter-final football match between Sheffield United and Southampton at Bramall Lane in Sheffield on December 16, 2014. Sheffield United won the game 1-0. AFP PHOTO / PAUL ELLIS 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 PAUL ELLIS/AFP/Getty Images)
