By Ewan Murray Manchester United are aiming to secure their first Europa League victory on Thursday evening as they host Greek side PAOK at Old Trafford. Incoming manager Ruben Amorim was pleasing United supporters on Tuesday evening but it’s interim boss Ruud van Nistelrooy who will be in the dugout midweek. The Dutchman oversaw a 5-2 thrashing of Leicester City on his debut in the hot seat but the Red Devils reverted to type in an uninspiring 1-1 draw with Chelsea at the weekend. Amorim, who takes charge of his firstUnited outing after the November international break, will be watching with …