LONDON, ENGLAND - MARCH 13: Jose Mourinho Manager of Manchester United and Antonio Conte manager of Chelsea have words and are separated by fourth official Mike Jones during The Emirates FA Cup Quarter-Final match between Chelsea and Manchester United at Stamford Bridge on March 13, 2017 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)
Referee Michael Oliver runs over to speak to Manchester United manager Jose Mourinho and Chelsea manager Antonio Conte during the Emirates FA Cup, Quarter Final match at Stamford Bridge, London. (Photo by Adam Davy/PA Images via Getty Images)
LONDON, ENGLAND - OCTOBER 23:  Manager Jose Mourinho of Manchester United and Manager Antonio Conte of Chelsea watch from the touchline during the Premier League match between Chelsea and Manchester United at Stamford Bridge on October 23, 2016 in London, England.  (Photo by Matthew Peters/Manchester United via Getty Images)
Manchester United manager Jose Mourinho  shanks hands with Chelsea manager Antonio Conte during the EPL Premier League match between Chelsea and Manchester United at Stamford Bridge, London, England on 23 October 2016.  (Photo by Kieran Galvin/NurPhoto via Getty Images)
LONDON, ENGLAND - MARCH 13: Jose Mourinho Manager of Manchester United and Antonio Conte manager of Chelsea have words and are separated by fourth official Mike Jones during The Emirates FA Cup Quarter-Final match between Chelsea and Manchester United at Stamford Bridge on March 13, 2017 in London, England. (Photo by Catherine Ivill - AMA/Getty Images)