Four minutes of stoppage time have been added on at the Wanda Metropolitano. Liverpool continue to seek a way through. Atlético continue to hit them on the counter. Costa tries a shot from range, but it's wide.
Oblak wins a foul from a Liverpool corner. Van Dijk unintentionally pushed Gomez into him.
FULL-TIME: ATLETICO 1-0 LIVERPOOL. Saul's early goal proved decisive and handed the European champions their second defeat of the current campaign. All is still to play for in the Anfield rematch on 11 March.
Atléti are handling everything Liverpool are throwing at them, which is a difficult task for even the best of teams. Simeone continues to hype up the crowd, while Klopp has picked up a yellow card.
Costa makes his presence felt, bullying Wijnaldum off the ball and putting the hosts on the attack. However, Lodi is caught offside shortly afterwards.
Lodi has been a constant threat on the counter. He looks to play the ball in behind the Liverpool defence, but his pass is intercepted.
Milner comes on for Liverpool in place of Henderson, who appears hurt. Milner takes the captain's armband.
Diego Costa needs no introduction to Liverpool fans, having starred for their rivals, Chelsea. He comes on to replace Correa.
Liverpool appeal for a penalty against Thomas Partey for handball. None given, much to their dismay.
Llorente bursts down Atlético's right, but Oxlade-Chamberlain keeps pace with him and puts in a great sliding challenge to take the ball off him.
CLOSE! Origi's cross from Liverpool's right finds Henderson, who looks to hook the ball into the net. However, he fires wide.
Oxlade-Chamberlain replaces Salah, who didn't have his best game and also doesn't look too pleased.
Lodi goes for goal from long range. The swerving effort makes Alisson sweat, but ultimately drifts wide of him and the post.
Morata looks disappointed with himself as he trudges off to be replaced by Vitolo.
Lodi gets in behind the Liverpool defence and squares for Morata, but he trips at the vital moment and passes up a glorious goalscoring opportunity!
Correa is down after being caught by Fabinho. It looked painful, but he's probably made the most of it.
Thomas Partey marshals Origi out of play as he once again runs the ball beyond the byline.
Origi looks to round Oblak, but his touch is too heavy and he runs the ball out of play.
Gomez picks up a yellow card for his foul in the middle of the park.
Liverpool are heaping the pressure on Atlético now. The Reds are so strong in the late stages of games.
CHANCE! Gomez puts in a wonderful cross from deep, picking out Salah. It's a free header, but he glances wide of Oblak. Salah should have done better!
Henderson's header off an Alexander-Arnold cross goes into the path of Wijnaldum, but he controls the ball with his arm and Atléti get the free-kick.
Llorente pulls back for Vrsaljko inside the box, but the ball gets stuck under his feet and he fails to get the shot away.
KICK-OFF! The second half is underway. Both teams have made substitutions with Origi replacing Mané and Atlético bringing Llorente on for Lemar.
Correa is yellow-carded for a late challenge on Jordan Henderson.
HALF-TIME: ATLETICO 1-0 LIVERPOOL. Saul's opener separates the sides at the break. Liverpool are far from out of this yet. A bit of tension is simmering between Vrsaljko and Mané in particular. The second half will be fascinating.
Liverpool are applying the pressure, but they're still struggling to find through the sea of Rojiblancos bodies. Diego Simeone sets his teams up well.
Mané picks up a yellow card for catching Vrsaljko in the face with his hand or upper arm.
A foul from Gomez on Correa gives Atlético a free-kick inside their own half.
Salah gets the ball in the box off a Firmino cut-back. His shot deflects behind off Felipe.
Alexander-Arnold is growing into the game. He puts in a good cross from the right, but just fails to find Firmino at the near post.
Atléti look to catch Liverpool on the break with the ball over the top to Lemar. He breaks free, but is unable to stick it in the net. The offside flag eventually goes up anyway.
There have been some frantic spells in this game, but the last few minutes have seen the teams sizing each other up.
This is becoming a real end-to-end battle. Robertson has a go at goal from just outside the box, but curls it wide.
Partey lines one up from long range, but fires wide of the target with his low shot. He can really hit those, so you can't blame him for having a try.
Disallowed goal at the other end! Salah has the ball in the net, but Firmino was offside in the build-up.
Morata has a shot at goal, but Alisson makes the save at the near post!
Alexander-Arnold delivers the ball into the penalty area, but it's cleared. It's fair to say Lodi has outshone him so far at the other end.
Another inviting cross from Lodi. Robertson slides in to prevent Morata from tapping it into the net.
Liverpool are struggling to break through a compact Atléti defence. They're heaping the pressure on Diego Simeone's men, though.
Yet another poor cross from Alexander-Arnold goes behind for a goal-kick.
Liverpool are slowly beginning to find their feet, playing simple passes and pushing the fullbacks forward.
Alexander-Arnold's poor cross goes behind for a goal-kick. Liverpool look a bit rattled by this early Atlético onslaught.
Atlético are in complete control in the early stages. This will be a major test of Liverpool's character.
GOAL, ATLETICO, SAUL! 1-0: Atléti take a deserved lead! Liverpool fail to deal with the corner and the ball rolls into the path of Saul, who taps in!
Bright start from Atlético. Lodi gets a great cross in from the left, but Morata is unable to turn it home.
KICK-OFF! Underway at the Wanda Metropolitano.
Hello and welcome to our live coverage of this Champions League last 16 clash between Atlético Madrid and Liverpool at the Wanda Metropolitano.
Atlético XI: Oblak, Vrsaljko, Savic, Felipe, Lodi, Koke, Saul, Thomas, Lemar, Correa, Morata. Subs: Adán, Gimenez, Hermoso, M. Llorente, Vitolo, Carrasco, Costa.
Liverpool XI: Alisson, Alexander-Arnold, Gomez, van Dijk, Robertson, Fabinho, Henderson, Wijnaldum, Mané, Salah, Firmino. Subs: Adrian, Milner, Keita, Oxlade-Chamberlain, Minamino, Origi, Matip.
This will be a fascinating matchup of minds as Diego Simeone hosts Jürgen Klopp. Both have instilled solidity into their teams and are known for thriving without needing huge amounts of money.
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