Manchester United took on Rosenborg in Norway with a few new faces in the dugout. Manager Erik ten Hag has added to his coaching staff during the off-season, bringing in Ruud van Nistelrooy and Rene Hake. The new staff were all together as Manchester United took on Rosenborg in the club’s first pre-season fixture. United lost the game 1-0 due to an injury time strike, but there positives to to take from the game in Norway. READ MORE: Manchester United transfer history 2013 to present dayRonny Johnsen chat with Ruud van NistelrooyFormer Manchester United defender Ronny Johnsen was in his native…