Simon Stone
BBC Sport's chief football news reporter at Old Trafford

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Amad deserves that.

He is the Manchester United players who threatens the PAOK defence.

He is not scared to run at them and isn't put off, even when something doesn't quite work.

I am not sure PAOK keeper Dominik Kotarski read the flight of that header. It was arcing towards the far corner as soon as it left Amad's head but Kotarski just stood and watched it.

So, Manchester United have gone in front in seven of their past eight games in Europe, but have only won one of them.

Will they finally, finally see a game out?

Almost an instant response. Andrija Zivkovic beats Diogo Dalot to the ball but hammers a shot off target.

Izzy Christiansen
Former England midfielder on BBC Radio 5 Live

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What a header that is at the back post area.

Bruno Fernandes lifting the ball into a beautiful area and Amad Diallo's header is pinpoint. A superb player, the best player on the pitch tonight.

Substitute Mathias Honsak is straight into the action. The Austrian finds a bit of space on the edge of the area before dragging his shot wide.

Not a concern for goalkeeper Craig Gordon but possibly a sign that there is more to come from Heidenheim.

Manchester United have come out with a spring in their step. Casemiro has a shot blocked and then Alejandro Garnacho goes on a promising run.

Four points from four matches in the Europa League isn't acceptable, and it looks like the players have been reminded that.

Marc Guiu makes way for Kiernan Dewsbury-Hall. Enzo Fernandez also makes way for Cesare Casadei.

It's time for a bit of damage limitation from Noah. They have brought on Imrane Oulad Omar for Gor Manvelyan.

Better from Manchester United. Diogo Dalot gets to an overlap but his cross for Bruno Fernandes is blocked.

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Heidenheim manager Frank Schmidt is clearly not happy with what he saw in the first half and has made his second change of the game.

Mathias Honsak replaces Mikkel Kaufmann.

Paul: One shot on target at home to PAOK in 45 minutes is so bad. Man Utd are dreadful still and they can’t blame injuries this time as this is most of their first team. Shocking. Amorim really is taking a step down in quality from his Sporting team.

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Hearts only had 39% possession in the first half but they attempted 10 shots compared to three from Heidenheim.

It's worth noting that just three of those effort were on target from the Scottish Premiership club, though.

A little more accuracy and they could make it three wins from three in the Conference League.

We're back to it in our 20:00 GMT games.

As things stand Chelsea are top of the Europa Conference League. Four other teams are currently on track to make it three wins in three matches but Chelsea of course now have this ridiculous goal difference.

After some half-time reading? Here's everything you need to know about Noah.

I wouldn't go with atrocious, he is a Premier League striker.

That said, tonight Rasmus Hojlund's average position has been behind Alejandro Garnacho, Amad Diallo and Bruno Fernandes.

A tactical plan from United? Or poor positioning from Hojlund?

Sho: To think we spent £70m on Hojlund. Absolutely anonymous, once again. Can't hold up the ball. Doesn't run the channels. Never in the box when someone pulls a ball back or crosses it in the box. Doesn't run in behind. Atrocious player.

Rene Meulensteen
Former Manchester United coach on BBC Radio 5 Live

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In the first half Man Utd have been on top and they're having some good moments. Although there is a lack of quality and that's let them down so far - they have to step up in the second half.

If you look at PAOK, they're an experienced team with a lot of older players in there. With these teams they tend to fade away in the second half with a lack of energy.

I don't think Ruud van Nistelrooy will make any changes. He has plenty of players to come in, but he has to go for the win.