Despite qualifying for the knockout round, the FC panel don't see anything from Man United to suggest that they can beat a quality opponent over two legs in Europe.
Manchester United are battling against a lack of confidence, according to Chris Smalling.
The defender said "heads dipped" after a host of missed chances against Young Boys before Marouane Fellaini snatched a late winner to send United into the round of 16 of the Champions League on Tuesday.
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"We created some good chances, not just half chances, and I think heads can dip when a few of those don't go in," Smalling said.
"You could see the relief in our faces knowing that we had qualified…