Chelsea's Flag during Emirates F A Cup - Third Round match between Chelsea against Peterborough United at Stamford Bridge, London, Britain - 08 Jan 2017 (Photo by Kieran Galvin/NurPhoto via Getty Images)

Chelsea's Flag during Emirates F A Cup - Third Round match between Chelsea against Peterborough United at Stamford Bridge, London, Britain - 08 Jan  2017 (Photo by Kieran Galvin/NurPhoto via Getty Images)