Willie Miller
Former Aberdeen captain on BBC Sportsound

It was a brilliant penalty kick. The power behind it and direction he got.

James Forrest is on for Yang Hyun-Jun, who missed all the penalty drama on the sidelines. Celtic also give Alexandro Bernabei a rare run in place of Greg Taylor.

Aberdeen bring on Ryan Duncan for Dante Polvara

Willie Collum draws the box with his hands and points to the sport - and now Kelle Ros is caught in the act trying to sabotage the spot with his studs - earning the keeper a booking.

Referee Willie Collum is off for a look at the monitor...

Play resumes with a Celtic corner and Oh Hyeon-gyu shoots wide from a good position before he is wiped out by Jack MacKenzie.

VAR is having a closer look.

Yang Hyun-Jun is getting close attention on his eye, with a cut opened up just underneath.

He won't be able to carry on like that.

Another head knock for Celtic as Jack MacKenzie catches Yang Hyun-Jun in the process of making an important back post intervention.

Celtic have lost the fluency they had in the first half, with their wingers nowhere near as influential.

They are still enjoying the lion's share of possession, the play just isn't as sharp.

Willie Miller
Former Aberdeen captain on BBC Sportsound

It seems a slightly higher line and higher press Aberdeen have adopted in the second half, with Jonny Hayes coming out to support Miovski.

A rare Aberdeen attack ends with Bojan Miovski getting a touch at the near post and Joe Hart needs to make a sprawling save.

Slobodan Rubezic is being roundly booed every time he goes near the ball. Now he slides in with a diving header in his own box and offers a clenched fist to the crowd...

Kheredine Idessane
BBC Scotland at Celtic Park

That was an incredibly sore one Kyogo took there from Rubezic, head on head contact from behind. The Japanese star was extremely groggy and unsteady as he was helped past me up the tunnel.

And he refused the Dons' defender's offer of a handshake. Furuhashi very unhappy at the challenge, understandably so.

Image source, SNS

Willie Miller
Former Aberdeen captain on BBC Sportsound

Somebody needs to tell Slobodan Rubezic to calm down. It's dangerous and out of control. It's a common occurrence with him. He was never going to get the ball.

Kyogo is taken off, looking rather groggy, with Oh Hyeon-gyu on in his place.

Odin Holm also makes way for David Turnbull.

Slobodan Rubezic is booked when he gets back to his feet.

Image source, SNS

This looks like a bad one for Kyogo and Slobodan Rubezic as both players try to head the ball at the same time and the Dons defender gets there a fraction late.

The Celtic striker hits the deck in a distressing way.

You can see from this graphic of the players' average positions just how deep Aberdeen were in that first half.

Every single Dons player camped in their own half.

Image source, Opta

Kheredine Idessane
BBC Scotland at Celtic Park

If Aberdeen can somehow get themselves a goal, this game could yet turn. What they'll certainly have to do, if they want to take anything from it all, is make life a whole lot more difficult for the home side than they did in the first half which Celtic simply sailed through.

Here we go again...

No changes in personnel.