LONDON, ENGLAND - DECEMBER 17: James McArthur of Crystal Palace (C) holds back Wilfried Zaha of Crystal Palace (L) from Referee Jonathan Moss (R) during the Premier League match between Crystal Palace and Chelsea at Selhurst Park on December 17, 2016 in London, England. (Photo by Dan Mullan/Getty Images)

LONDON, ENGLAND - DECEMBER 17:  James McArthur of Crystal Palace (C) holds back Wilfried Zaha of Crystal Palace (L) from Referee Jonathan Moss (R) during the Premier League match between Crystal Palace and Chelsea at Selhurst Park on December 17, 2016 in London, England.  (Photo by Dan Mullan/Getty Images)