Rene Meulensteen admits Manchester United management enjoyed their mauling of Arsenal.
Meulensteen believes the threat Arsenal posed has been diluted by the exits of captain Cesc Fabregas and key midfielder Samir Nasri this summer.
"Our win over Arsenal was something special," he told the Daily Star.
"Their squad has lost a lot of quality with Fabregas and Nasri's departures. It's as though nothing is going right for Arsene Wenger right now."