Manchester United midfielder Fred blamed a "backward society" for the reason behind the alleged racist abuse suffered at the Etihad Stadium.
Manchester City were regularly exposed on the counter by Manchester United and head coach Pep Guardiola admitted his side had no answer.
Fred was arguably the man of the match in the Manchester derby, according to his manager Ole Gunnar Solskjaer.
Manchester United players appeared to be targets of racist abuse in Saturday's derby, angering Marcus Rashford and Gary Neville.
Manchester City saw their Premier League title hopes dented by a home defeat to Manchester United - but Pep Guardiola will not give up yet.
Ole Gunnar Solskjaer said two United players were racially abused in the Manchester derby, with City confirming they are investigating.
Manchester United manager Ole Gunnar Solskjaer was thrilled with the football his team produced to win the derby, calling it "fantastic".
Manchester United claimed a brilliant 2-1 win at Manchester City in Saturday's derby as Ole Gunnar Solskjaer came back from the brink.
Saturday's loss at home to Manchester United left Manchester City manager Pep Guardiola facing up to some harsh truths.
During Saturday's Manchester derby at the Etihad Stadium, Manchester United's Fred was hit by a projectile and abused by a supporter.