Milan technical director Paolo Maldini is here, looking as handsome as ever. What a player that man was.

Ian Dennis
BBC Radio 5 Live senior football reporter

I think we are going to see a lot more of Pape Sarr. He's just 20 years of age, the Senegalese international.

A player they picked up from Metz in 2021 for £14.5 million. He was on loan back in the north east French club last season.

It's only his sixth appearance for Tottenham and only his third start, but he's working very hard in the midfield.

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That's a waste!

Son opts to chip the ball into the box and Milan are able to half clear. A shot comes in and the ball is sent spinning into the air, from which Ciprian Tatarusanu plucks it under pressure. He goes down and holds his ankle to relieve the pressure.

Now then...

Spurs have a free-kick 25 yards from goal. Son Heung-min is over it. Boos echo around the ground.

How fit is Kylian Mbappe? It doesn't matter to Christophe Galtier, he needs his star man now.

Mbappe is sent on in the 57th minute, replacing Soler.

Also coming off is Warren Zaire-Emery, the 16-year-old who has faced an utterly thankless task in the PSG midfield tonight. Fabian Ruiz replaces him.

Pat Nevin
Former Scotland winger on BBC Radio 5 Live

Again they've started quite well, Milan. They've been more on the front foot than at the end of the first half.

However, Spurs should be expecting it - I was expecting it.

Just manage to ride it out this time. I think if Spurs ride it out they'll get chances.

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Excellent work from Pape Sarr!

Rafael Leao leaves a Tottenham defender for dead on the left before playing a low ball to Brahim Diaz in the middle. Before he can get himself into a shooting opportunity, though, in comes Sarr to tackle.

Milan are not committing a lot forward, but when they sense their moment they are going in numbers. That early goal has given them the platform to play this counter-attacking way.

Milan drive forward, looking to inflict what would really be a blow to Tottenham.

Brahim Diaz is set up in the box but his shot is blocked and Tottenham are able to clear.

Ian Dennis
BBC Radio 5 Live senior football reporter

The referee had indicated that a stretcher was needed, but Tonali got to his feet and is being cheered by the vociferous Milan support.

It stays a yellow card and Tonali is OK to carry on.

Pat Nevin
Former Scotland winger on BBC Radio 5 Live

The referee had no choice whatsoever but to book him. Don't go to ground in that area if you are not going to get the ball.

Romero is complaining about it but I don't think he can really. He doesn't need to make that challenge. He has to just be very careful for the end of the game because Spurs really don't want to be down to 10 men.

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Sandro Tonali is still down and getting treatment. VAR is having a look at the tackle, but I think the fact Romero's foul was low and he had some control over it means it's unlikely to be upgraded.

Pat Nevin
Former Scotland winger on BBC Radio 5 Live

Big, big job for them tonight and I think it was tough for them in the first 10 minutes or so. After that they've grown into it and they've looked quite impressive and dominant in various parts of the first half. They've got to keep that going. I suspect we've got 10 minutes here where Spurs are going to get pushed a little bit back.

Cristian Romero has not had a good night so far.

He is booked for a really badly-timed tackle that sees him flying through Sandro Tonali. It was a stupid decision to go for it. He must have known he was going to be late.

Sloppy start from Spurs. Pape Sarr's pass out wide for Emerson Royal rolls straight out of play. Sarr is furious with himself.

It has been classic first-leg stuff so far - sides unwilling to take too big a gamble for fear of losing too much early ground.

Will either of the four teams take a bit more of a punt in the next 45 minutes to really stamp their authority on the tie?