Great save is pushing it but it's certainly a key one! Dele Alli gets a touch of luck as the ball ricochets into his path, he barges into the area and gets a low shot away which is kicked out by Jose Sa.

From the corner Harry Kane heads over the top.

Image source, BBC Sport

Paris St-Germain boss Thomas Tuchel gives loan signing Mauro Icardi his first start as he tries to cope with the loss of his entire first-choice strike force of Neymar, Edinson Cavani and Kylian Mbappe.

The Argentina forward is one of five changes to the side that defeated Strasbourg in Ligue One on Saturday with Presnel Kimpembe, Thomas Meunier, Juan Bernat and Marquinhos also coming into the starting XI.

PSG: Navas, Thiago Silva, Kimpembe, Marquinhos, Verratti, Di Maria, Meunier, Bernat, Icardi Sarabia, Gueye

Subs: Rico, Paredes, Choupo-Moting, Kurzawa, Herrera, Diallo, Kouassi

Image source, BBC Sport

Eden Hazard makes his first start for Real Madrid as boss Zinedine Zidane makes three changes to the side that defeated Levante on Saturday.

Lucas Vazquez and Vinicius Jr both drops out as does Sergio Ramos who is still serving a two-match ban after picking up a deliberate yellow card in last season's last-16 tie with Ajax.

That sees Eder Militao and James Rodriguez both start.

Real Madrid XI: Courtois, Carvajal, Militao, Varane, Mendy, Kroos, Casemiro, James, Hazard, Bale, Benzema

Subs: Areola, Lucas Vazquez,Jovic, Odriozola, Vinicius Jr, Rodrygo, Adri

Matt Upson
Former England and West Ham defender on BBC Radio 5 Live

Jan Vertonghen didn't have to make the challenge for the penalty, Valbuena had his back to goal.

Image source, Reuters

Tottenham have only once previously failed to win a Champions League match after going two goals ahead - versus Werder Bremen in September 2010, a match that ended 2-2.

Daniel Podence does well on the right again. He's been excellent.

Image source, Reuters

Tanguy Ndombele, who hasn't had a great game, comes off and Moussa Sissoko comes on for Tottenham.

Josh Earl:I told you this was a tough place to go.

Paul: Tottenham are just spineless. They won't win a thing. More flattering to deceive before choking and failing from them.

Excellent hour so far. Spurs are now bossing the ball again which probably means an Olympiakos goal is on the way, such has been the pattern of this match.

Spurs win a corner, half headed out and Tanguy Ndombele lashes a shot in from range and it's straight at Jose Sa.

John Southall
BBC Radio 5 live football reporter in Athens

Well that’s set the place off. The noise is deafening the whole stadium (bar 1400 Spurs fans) is jumping. 2-2 about right.

Matt Upson
Former England and West Ham defender on BBC Radio 5 Live

That is not easy, waiting that long to take a penalty. But Valbuena is one of the few players in the Olympiakos team that has the capability to cope with that. His experience, his quality, his calmness - he had to bring it all out then.

Image source, Reuters

BBC Sport travels to Turin, to find out whether a revolution at Italy's most successful club can lead to the "holy grail" of Champions League glory this season after losing five finals in the past 23 years.

All four goals have been scored against the run of play in this game. It's been manically superb.

Given!

The first attack of the half from the hosts ends with Mathieu Valbuena going down under Jan Vertonghen's challenge. The defender just stood his ground really, but may have trodden on the forward's toes...

That's what you call a high press as Spurs line up three men on the 18-yard line for an Olympiakos goal kick.

Chalk and cheese start to this half from Tottenham. They are well on top so far.

There is just one change to the Shakhtar Donetsk team.

Manor Solomon replaces Tete in midfield.

Shakhtar Donetsk XI: Pyatov, Bolbat, Kryvtsov, Matviyenkp, Ismaily, Stepanenko, Patrick, Solomon, Marlos, Taison, Moraes

Image source, BBC Sport

Pep Guardiola makes four changes to the Man City team as Fernandinho comes into the defence to partner Nicolas Otamendi, replacing the injured John Stones.

Gabriel Jesus gets the nod ahead of Sergio Aguero up front, while Riyad Mahrez and Kevin de Bruyne replace Bernardo Silva and David Silva.

Manchester City XI: Ederson, Walker, Otamendi, Fernandinho, Zinchenko, Gundogan, Rodri, De Bruyne, Mahrez, Sterling, Jesus

Subs: Bravo, Aguero, Bernardo, Silva, Mendy, Cancelo, E Garcia

This is miles better from Spurs. Dele Alli has the ball in the net but the flag is up.

Will they check this? No, he's clearly off. A great move.

Guillem Balague
Spanish football journalist

Image source, Getty Images

Since Zinedine Zidane returned as Real manager towards the end of last season, his win percentage is below 50% and there has been little to suggest improvement since the start of this season.

Real still look unsettled and they are still inconsistent, worrying signs as they enter a two-week period in which they face PSG as well as leaders Atletico Madrid and Champions League qualifiers Sevilla in La Liga.

Moments such as these are nothing new at Real Madrid, a perennial soap opera providing tales of conspiracy, intrigue and passion and never failing to serve up one cliff-hanger after another, both on and off the pitch.

But as Europe's perennial winners get their latest European campaign under way, is Zidane struggling to make the impact this time around, and is there a danger the Frenchman might not even be there come the next Champions League final?

Good start to the second half for Tottenham as Lucas Moura gets away from his man down the right, the ball comes all the way across goal and Ben Davies recycles it on the left.

A Poch rocket at half time?