Manchester United supporters straight away booed van Gaal’s decision to substitute Anthony Martial with Marouane Fellaini but the Dutch manager insists he proved the decision right as Wayne Rooney headed home late on.

United Fans repeatedly booed the Dutch manager’s decision to replace Anthony Martial and shouted angrily “Attack, attack, attack!” as emotions running high at Old Trafford.

Rooney came to Manchester United’s rescue with a goal in the 79th minute which ended the Red Devil’s 404-minute goal drought and make sure they didn’t suffer 0-0 draw.

Van Gaal reacted to the boos of the fans by suggesting his decision to substitute Martial and place Rooney into his earlier role up front proved to be quite fruitful as the United captain grabbed the much needed winner.

When asked if he heard the boos in the 66th minute after Martial was replaced, Van Gaal told: “Of course I heard it, I’m not deaf.

“That is the opinion of the fans, but afterwards, they shall not be disappointed of the decision of the manager.

“Wayne shall always contribute in a game. I’m very happy because I put him again in the striker position and he scored.

“I am very happy about the result and that we are top of the group. Of course it’s a relief. You’ve seen an attacking Manchester United creating lots of chances against a very organised team.

“It’s always difficult to score goals. We had to wait a long time but we deserved it. I’m relieved, but also very proud of my players.

Wayne Rooney also equalled Denis Law’s 237 goal record for United with his stunning header and is currently 12 goals away from Sir Bobby Charlton’s club record.

After the match United captain Rooney told the reporters, “Denis Law is a legend at this club so I’m delighted to equal his record.”

“It’s difficult when teams come and defend with all players and are tough to break down. We had to keep grinding and digging away, but thankfully we got the chance and the goal in the end.

“We’re top of the group now, so it’s a big three points. We have another big one coming up against PSV and if we win that game we’ll qualify.”

A win against PSV Eindhoven on 25th November at Old Trafford will advance United to the knockout stage with a game in hand.