A disappointing weekend for Mancunian football as United joined City in losing their semi-final of the Emirates FA Cup.
Clinical finishing by Pierre-Emerick Aubameyang ensured that Arsenal reached a record 21st FA Cup final as Manchester City failed to finish 16 chances to finish off the Gunners.
Birthday boy Kevin De Bruyne and Raheem Sterling were on target as Manchester City beat Newcastle United 2-0 to book an FA Cup semi final with Arsenal.
Manchester United qualified for the FA Cup semi finals with a late Extra Time goal by Harry Maguire against 10-man Norwich City.
Odion Ighalo scored twice as Manchester United qualified for the quarter finals of the FA Cup with a 3-0 win at Derby County to earn a trip to Norwich City.