Manchester City's Sergio Aguero celebrates scoring their second goal with teammates. Reuters
Manchester United manager Jose Mourinho and Manchester City manager Pep Guardiola. Reuters
Ilkay Gundogan of Manchester City (second right) celebrates with teammates after scoring his team's third goal during the Premier League match between Manchester City and Manchester United. Getty
Police officers in the stands between Manchester City and Manchester United fans. Reuters
Manchester City manager Pep Guardiola with Manchester United manager Jose Mourinho after the match. Reuters
There was a lot for Manchester City to celebrate. Getty Images
Manchester United's Romelu Lukaku looks dejected after Manchester City's third goal. Reuters
Manchester United's Romelu Lukaku cannot hide his dismay. Reuters
David de Gea was beaten three times by Manchester City.. Getty Images
Manchester City's Ilkay Gundogan celebrates scoring City's third goal. Reuters
Manchester City's Ilkay Gundogan fires home from close range. Reuters
Marouane Fellaini of Manchester United battles for possession with Bernardo Silva of Manchester City. Getty
Manchester City's coach Pep Guardiola, right, reacts, as Manchester City's Sergio Aguero walks off after being substituted. AP Photo
Manchester United's Luke Shaw in action with Manchester City's Ilkay Gundogan. Reuters
Manchester City's Sergio Aguero with manager Pep Guardiola as he is substituted. Reuters
Manchester City's Leroy Sane has a shot on goal. Reuters
Manchester City's Sergio Aguero celebrates scoring their second goal with teammates. Reuters
Manchester United manager Jose Mourinho and Manchester City manager Pep Guardiola. Reuters
Ilkay Gundogan of Manchester City (second right) celebrates with teammates after scoring his team's third goal during the Premier League match between Manchester City and Manchester United. Getty
Police officers in the stands between Manchester City and Manchester United fans. Reuters
Manchester City manager Pep Guardiola with Manchester United manager Jose Mourinho after the match. Reuters
There was a lot for Manchester City to celebrate. Getty Images
Manchester United's Romelu Lukaku looks dejected after Manchester City's third goal. Reuters
Manchester United's Romelu Lukaku cannot hide his dismay. Reuters
David de Gea was beaten three times by Manchester City.. Getty Images
Manchester City's Ilkay Gundogan celebrates scoring City's third goal. Reuters
Manchester City's Ilkay Gundogan fires home from close range. Reuters
Marouane Fellaini of Manchester United battles for possession with Bernardo Silva of Manchester City. Getty
Manchester City's coach Pep Guardiola, right, reacts, as Manchester City's Sergio Aguero walks off after being substituted. AP Photo
Manchester United's Luke Shaw in action with Manchester City's Ilkay Gundogan. Reuters
Manchester City's Sergio Aguero with manager Pep Guardiola as he is substituted. Reuters
Manchester City's Leroy Sane has a shot on goal. Reuters
Manchester City's Sergio Aguero celebrates scoring their second goal with teammates. Reuters