Manchester United completed a sensational comeback on Monday night to beat Crystal Palace 3-2 after trailing 2-0.

Goals from Chris Smalling, Romelu Lukaku and a dramatic long-range winner from Nemanja Matic secured the points for Jose Mourinho's men and it lifted United back into second place in the Premier League.

However, one man that disappointed on the night was January arrival and former Arsenal man Alexis Sanchez.

The Chilean superstar flattered to deceive once more for the Red Devils and he now has just one goal in five league outings for United.

Sanchez surrendered possession of the ball on 34 occasions at Selhurst Park and even though that wasn't as much as the 36 times he gave the ball away against Huddersfield and Newcastle, it's still an alarming rate.

Of course, with Sanchez's creative role in the side, he is bound to turnover the ball more than most, but Gary Neville thinks playing so deep is harming him as well.

"Alexis was poor tonight, there's no doubt about that," Neville said on Monday Night Football. "He was trying to play one-twos from 40 yards from goal. He is no good from there. For me, I see Alexis Sanchez as being at his best in the left channel, attacking defenders, committing them, playing one-two combination. He has to try and get in those positions for Manchester United."

Mourinho demands all of his players put in the work defensively and there are no exceptions. However, this appears to be leading to Sanchez picking the ball up deeper and in less threatening positions.

For Neville, Sanchez shouldn't be deployed on the right of midfield again, that role should belong to Juan Mata: "I just don't think he is at his best there" - and with Mourinho only abandoning his midfield three against Crystal Palace because he was chasing the game in search of an equaliser, there is no guarantee that the No 10 role will be open to anyone in a United shirt on a regular basis.

"He has tried him everywhere else and it hasn't really worked," said Neville. "What I think he has to do is get him out of the centre of midfield."

How can Mourinho get the best out of Sanchez? Let us know in the comments below.