Sunderland's English manager Sam Allardyce pretends to bang his head on the dug-out ahead of the English Premier League football match between Crystal Palace and Sunderland at Selhurst Park in south London on November 23, 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 75 images, no video emulation. No use in betting, games or single club/league/player publications. / AFP / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
