Manchester United manager Jose Mourinho (right) and Wayne Rooney (left) walk out at the start of the Premier League match at the Etihad Stadium, Manchester. (Photo by Peter Byrne/PA Images via Getty Images)
Manchester United manager Jose Mourinho prior to the Premier League match at the Etihad Stadium, Manchester. (Photo by Peter Byrne/PA Images via Getty Images)
MANCHESTER, ENGLAND - APRIL 27:   Marouane Fellaini of Manchester United is shown a red card during the Premier League match between Manchester City and Manchester United at Etihad Stadium on April 27, 2017 in Manchester, England.  (Photo by Clive Brunskill/Getty Images)
Manchester United's Spanish goalkeeper David de Gea (R) saves a shot during the English Premier League football match between Manchester City and Manchester United at the Etihad Stadium in Manchester, north west England, on April 27, 2017. / AFP PHOTO / Oli SCARFF / 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.  /         (Photo credit should read OLI SCARFF/AFP/Getty Images)
Manchester United's Eric Bailly (left) and Manchester City's Leroy Sane battle for the ball during the Premier League match at the Etihad Stadium, Manchester. (Photo by Martin Rickett/PA Images via Getty Images)