The impressive Nico Gonzalez comes off for Luuk de Jong.

The Dutchman has just over five minutes to make an impact.

Sergio Aguero appears to beat the offside trap and waltzes through the Rayo defence before shooting straight at Stole Dimitrievski.

Esteban Saveljich is furious with the linesman for not raising his flag and the referee brandishes another yellow card in the direction of the Montenegro international.

Isi Palazon stings Marc-Andre ter Stegen's palms from the edge of the box.

The 26-year-old has had an excellent game.

Dimitrievski is determined to stay on for the final ten minutes.

Luuk de Jong, once of Newcastle United, is coming on to try and salvage a point for Barca.

Stole Dimitrievski makes another comfortable save from a Sergio Aguero header.

The Rayo keeper suffered a knock to the head moments after saving Memphis Depay's penalty and has just gone down again. He may need to come off...

It's a double change for the hosts. Oscar Trejo and Radamel Falcao come off, both of whom are offered a standing ovation by the Rayo fans.

Randy Nteka and Pathe Ciss are on for the final quarter of an hour or so.

Time is running out for Barcelona now.

Gavi replaces Philippe Coutinho, who has endured a disappointing evening on his 100th Barca appearance.

Memphis goes down under Oscar Valentin's challenge and the referee doesn't hesitate, pointing straight to the spot.

The Dutchman will take it.

The visitors are becoming increasingly frustrated.

Philippe Coutinho - who is on a yellow card - catches Ivan Balliu and is given a stern telling off by the referee.

Gerard Pique catches Radamel Falcao with a flailing arm and is shown a yellow card for his troubles.

We're half way through the second half and Stole Dimitrievski still hasn't had a save to make.

Ouch!

Nico Gonzalez accidentally steps on Oscar Valentin's right hand after attempting to skip past the Rayo defender.

Nasty, but no lasting damage.

The hosts follow suit, Unai Lopez coming on for Santi Comesana.

Yusuf Demir replaces Sergi Roberto in the visitors' first change.

Sergio Aguero races on to a delicious ball from Sergino Dest. The Argentine is through on goal but his shot is blocked by a Rayo defender.

The visitors are about to make their first change.

Jordi Alba is in considerable discomfort after being caught on his right knee by Isi Palazon's trailing leg.

He should be able to continue though.

Another Barcelona chance goes begging.

Nico Gonzalez feeds Sergio Aguero, who sends Sergino Dest clear down the right.

Dest checks his run and lays it off for Aguero, who hammers his shot over the crossbar.

Alvaro Garcia finds a pocked of space inside the Barcelona box and shoots low into the arms of Marc-Andre ter Stegen.

That won't trouble the German goalkeeper.

Philippe Coutinho has his name taken after catching Isi Palazon's heels.

The Brazilian knew he was getting booked for that.

Another Memphis Depay free-kick - from the other flank, this time - floats straight into the arms of Stole Dimitrievski.

A disappointing delivery from the Dutchman.