Postpublished at 20:53 Greenwich Mean Time 21 February
There have been some huge stories in European football over the last few days, so here is a bit of reaction to them.
Summary
Use play icon at the top of page to watch 5 Live Final Score or audio icon to listen to commentary
FT: Porto 1-0 Arsenal - Galeno with late screamer
FT: Napoli 1-1 Barcelona - Lewandowski opens scoring; Osimhen levels
Get Involved: #bbcfootball, via WhatsApp on 03301231826 or text 81111 (UK only, standard message rates apply)
Postpublished at 20:53 Greenwich Mean Time 21 February
'Arsenal set pieces like the old days under George Graham'published at 20:53 Greenwich Mean Time 21 February
HT: Porto 0-0 Arsenal
Neil Lennon
Former Celtic manager on BBC Radio 5 Live
Image source, Getty ImagesArsenal's set pieces are without question one of the stories of the season - It's like the old days under George Graham.
Ben White just wants to be a nuisance, Varela can't handle him, pushing and shoving, and causing a distraction for the Porto defenders.
It's hung up to the far post, they've got William Saliba, Kai Havertz and Gabriel challenging for it. They should have scored from at least one of them.
Postpublished at 20:51 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Arsenal have failed to have a shot on target in the first half of a Champions League match for the first time since against Paris St-Germain in September 2016.
However, the Gunners have also have stopped the opposition from scoring a first-half goal in six of their seven games, only Real Sociedad (seven) have done this more often in this season's Champions League.
HALF-TIMEpublished at 20:48 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Goalless in Portugal too. The hosts had the best chances but Galeno hit the post and fired the rebound wide. Arsenal have looked a threat from Bukayo Saka's corners from the right wing, but Diogo Costa in the home goal hasn't had too many saves to make.
Image source, Getty ImagesHALF-TIMEpublished at 20:47 Greenwich Mean Time 21 February
Napoli 0-0 Barcelona
Barca started the half well, with 16-year-old Lamine Yamal instrumental but it's all gone a bit quiet since then.
Image source, Getty Imagesget involved Get Involvedpublished at 20:45 Greenwich Mean Time 21 February
#bbcfootball, text 81111 (UK only - standard rates apply) or WhatsApp 03301231826
I genuinely thought Arsenal may storm this match with a whole bunch of goals, but right now, I'm thinking it might be a draw or if not a one 1-0... to either team
Chelsea
Postpublished at 20:44 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
A deeper corner from Bukayo Saka, whose delivery has been superb today. Kai Havertz is coming in around the back post, and he, Jakub Kiwior and a few defenders all go for it. Havertz may well have got the final touch with a header but wide it goes.
'Outstanding football from Porto'published at 20:42 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Neil Lennon
Former Celtic manager on BBC Radio 5 LiveOutstanding football from Porto.
A wonderful backheel to Evanilson and he gets a good shot away across goal.
Another little warning shot for Arsenal.
Image source, Getty ImagesPostpublished at 20:42 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
This is a bright spell for Porto. Gabriel Martinelli loses the ball and Porto spring forwards. Pepe, the Brazilian, not the Portuguese, backheels the ball inside the penalty area and it falls to Evanilson.
He strikes low and hard across goal, but David Raya has his angles spot on and dives down to his right and holds on to the ball.
Postpublished at 20:38 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Nico Gonzalez wins the ball for Porto 30 yards out and tries his luck, but it's always going over and there no sign of any panic from David Raya in the Arsenal goal.
'Counter attack may be the way to go for Arsenal'published at 20:36 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Neil Lennon
Former Celtic manager on BBC Radio 5 Live
Image source, Getty ImagesThe first time that Arsenal have gotten Bukayo Saka one on one in the box with a Porto defender and it came from a counter attack.
That may be the way to go for Arsenal the longer this game goes on.
CLOSE!published at 20:36 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Saka's corner is an excellent one swung in from the right side. It is carnage in the penalty area with lots of pushing and shoving from both sides and the ball falls to William Saliba at the back post. But it's more a glancing header instead of a powerful effort and he nods wide of goal. Chance.
Image source, Getty ImagesPostpublished at 20:34 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Bukayo Saka tries to get to the byeline, and wins a corner, which he will take.
Postpublished at 20:33 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Leandro Trossard tries his luck from the corner of the penalty area but it is an absolute waste as he balloons the effort into the fans.
get involved Get Involvedpublished at 20:31 Greenwich Mean Time 21 February
#bbcfootball, text 81111 (UK only - standard rates apply) or WhatsApp 03301231826
Commentators and pundits alike talking as if Arsenal have already won this game, against a Porto team with far more Champions League pedigree and set up like Atletico Madrid! Not so sure it will be Arsenal's night myself.
Oli, Isle of Skye
As a Spurs fan it is tough to cheer on Arsenal even though their success may bring us Champions League next season. COYS
Keith, Orlando
Postpublished at 20:28 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Bukayo Saka swings in a corner from the right, but Diogo Costa does really well to leap high and catch the ball above his head to calm things down. Top handling from the Porto keeper.
Image source, Getty Imagesget involved Get Involvedpublished at 20:26 Greenwich Mean Time 21 February
#bbcfootball, text 81111 (UK only - standard rates apply) or WhatsApp 03301231826
We should be losing. How have Porto not scored? We need to wake up because despite what Neil Lennon says we haven’t started well at all. Not playing like we normally do.
Paul
Postpublished at 20:25 Greenwich Mean Time 21 February
Napoli 0-0 Barcelona
Robert Lewandowski has a chance for Barcelona, but it is saved by the foot of Alex Meret. Barca come again and get another opportunity but this time Ilkay Gundogan, from outside the penalty area, sees his shot tipped around the post by Meret.
Napoli hanging on at the moment.
Image source, Getty Images'Sharp reaction from Galeno, a massive let off for Arsenal!'published at 20:24 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Neil Lennon
Former Celtic manager on BBC Radio 5 Live
Image source, ReutersI thought it was in.
Galeno's reaction was so sharp, absolutely brilliant to get across the defender Gabriel.
The ball bangs off the woodwork and he gets on the end of the second chance and just puts it wide.
That's a massive let off for Arsenal! Porto's tactics are working, on the counter with such gusto and speed nearly caught them out.
HITS THE WOODWORK - Portopublished at 20:21 Greenwich Mean Time 21 February
Porto 0-0 Arsenal
Two massive let-offs for Arsenal. Galeno catches one on the half volley and it is a great connection eight yards out and it smashes off the left upright. It bounces instantly back to Galeno and a rapid snap-shot sees him fire just wide of the other post. Anything on target with the rebound and Porto would be in front.