Manchester United lost 4-1 to Manchester City in the Manchester derby on Sunday afternoon
United conceded early against City on Sunday afternoon
J adon Sancho's goal brought them level
Pep Guardiola's side regained the lead shortly after that finish and United went into the break behind and saw Riyad Mahrez adding a fine third in the second half
Mahrez scored another in stoppage time to pile more misery on United
who were embarrassingly passive in the second half
Sunday's defeat is the latest woeful performance against City after the reverse fixture at Old Trafford earlier this season
Arsenal have overtaken United in the Premier League table and the Reds' Champions League hopes seem to be in pieces