The last 20 minutes could see everything change, of course, but Deportivo have been commendably disciplined in their defending to this point. They switched off just once, in the opening minute of the second half, and paid for it. Otherwise, they have shown the solidity they will need to stay clear of trouble.

A second change for them; one-time Chelsea youngster Gael Kakuta is on for Bruno Gama.

Barcelona, having a good spell of pressure now, pass the ball around in front of the massed ranks of home defenders. Denis Suarez stops for a moment and considers his options, as if trying to figure out how to scale a wall. Eventually, the move breaks down as Ivan Rakitic overhits a pass in the direction of Sergi Roberto, and it's a goal kick.

Twenty-five minutes left, and it's anyone's game. Pretty open at the moment.

Superb counter from Deportivo. Bruno Gama, on the run, plays a diagonal ball towards the edge of the penalty area, where it is met first time by a sweet Joselu volley. Fortunately for Barcelona, it's straight at Marc-Andre ter Stegen, and it's a comfortable save. Excellent technique from Joselu, though.

Carles Gil, on loan from Aston Villa, sees his afternoon come to an early end. Deportivo boss Pepe Mel brings on Turkish midfielder Emre Colak in his place. Mel still has ambitions to win this, judging by that change.

A double change for Barcelona, and it's not bad at all. Andres Iniesta and Ivan Rakitic are on for Andre Gomes and Arda Turan. Expect an increase in tempo - and a few sublime Iniesta passes.

Lionel Messi has not had too many chances today, but he has a sight of goal, whipping a shot just over from the edge of the penalty area. Time for him to have a say in this game yet.

Image source, AP

Deportivo have plenty of pace in their attack, and it's causing Barcelona problems. Joselu breaks down the right, played onside by Gerard Pique, and whips in a cross that just eludes Alex Bergantinos in the centre. It comes to Feycal Fajr on the left, who cuts on to his right foot and shoots. The effort takes a deflection off Pique, and should be a corner, but the referee gives only a goal kick.

No doubt, somewhere in Madrid, someone is already starting a petition to give Deportivo their corner.

Image source, AFP

Carles Gil sets off on a run for Deportivo. He's clearly held back by Sergio Busquets, but makes the mistake of striding forward six or seven paces before going to ground inside the penalty area. No one is convinced. Literally no one.

I'll be honest, I'm not sure Uefa are going to order a rematch. 

Anyway, back under way in La Coruna.

Here's a curious tale coming out of Spain:

An online petition calling for Barcelona's 6-1 win over Paris St Germain in the Champions League to be replayed has gained more than 100,000 signatures.

The result carried Barcelona through to the quarter-finals 6-5 on aggregate, with Sergi Roberto striking the clinching goal in the fifth minute of stoppage time.

Real Madrid supporter Luis Melendo Olmedo began the petition on Friday, citing what he called a string of mistakes by referee Deniz Aytekin.

The petition, on change.org, states: "I want to request a replaying of the Barcelona-PSG match."

Italian Serie A

The most extraordinary score in Europe today is surely from Italy, where Inter Milan thrashed Atalanta 7-1 - having started the game below their opponents in the table. Mauro Icardi and Ever Banega both scored hat-tricks, so goodness knows who gets the match ball. Inter were 5-0 up after 34 minutes too.

Spanish La Liga

One La Liga result from earlier today to bring you; Athletic Bilbao, in seventh, won 2-0 at fifth-placed Real Sociedad in the 11:00 GMT kick-off. Raul Garcia, with a penalty, and Inaki Williams got the goals.

At this stage, shades of the home match against Alaves back in September, when the Barcelona manager made seven changes to keep players fresh for a Champions League group game against Celtic, and fell to a surprise 2-1 home defeat.

The decision to make five changes isn't looking quite so smart for Luis Enrique at the moment. 

It was Feycal Fajr who delivered the Deportivo corner from which Joselu scored, by the way. The striker, on loan from Stoke, clearly likes playing against La Liga's big teams. That was only his third La Liga goal of the season - and the other two came against Real Madrid at the Bernabeu in December.

Barcelona respond by winning a corner. Lionel Messi swings it deep to the far post, where Gerard Pique controls and fires over when well-placed.

Sloppy pass out from Javier Mascherano, who receives the ball from Marc-Andre ter Stegen and puts it out for a throw-in.

Deportivo almost score from it, working the ball down the left before a cross is swung in towards Joselu, whose hook goalwards is saved by the keeper. It's a corner, though...

Image source, AFP