LONDON, ENGLAND - NOVEMBER 23: Sam Allardyce manager of Sunderland during the Barclays Premier League match between Crystal Palace and Sunderland at Selhurst Park on November 23, 2015 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)
LONDON, ENGLAND - NOVEMBER 23: Sam Allardyce manager of Sunderland during the Barclays Premier League match between Crystal Palace and Sunderland at Selhurst Park on November 23, 2015 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)