Manchester United's Portuguese manager Jose Mourinho (L) and Manchester City's Spanish manager Pep Guardiola watch from the touchline during the English Premier League football match between Manchester United and Manchester City at Old Trafford in Manchester, north west England, on September 10, 2016. / AFP / 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)