Mendez collects on the edge of the box and tries an ambitious strike on the half-volley, only to blast his effort well over the bar.
90' +1
OFF THE POST! Semedo bursts down the right flank into space and has acres of room to fire a cross to the near post. The delivery is brilliant and Sergi Roberto latches on to the ball, but he can only guide his effort off the post.
90'
There will be three minutes of added time.
89'
Sergi Roberto raids down the right and forces a low ball across the edge of the box, but Sergi Gomez is there to clear it away from Dembele.
87'
SAVE! Aspas creates room for a left-footed strike from 25 yards and Cillessen cannot hold the strike due to the power, but Semedo clears the danger away from the penalty area.
85'
The last five minutes could be crucial in the context of the tie. A late goal for the home side would send them into the second leg with a lead to protect.
82'
F. Roncaglia enters the game and replaces Jonny.
Roncaglia replaces Jonny for the home side.
BLOCK & WIDE! Celta work the ball with short sharp passes into the box before Aspas tees up Maxi Gomez for a strike, but his effort is blocked by Vermaelen. Sanchez picks up the loose ball and goes for the shot from distance, only to fire well wide of the target.
80'
Rakitic carves out space in the final third and he goes for the drive from distance on his left foot, but he drills the ball straight at Alvarez.
78'
Sergi Roberto almost makes an instant impact as he threads the ball through to Dembele in the right inside channe. The Frenchman pokes his effort towards the near post, but Alvarez pushes it wide of the post.
Minute
Description
76'
Sergi Roberto enters the game and replaces Aleix Vidal.
Sergi Roberto replaces Vidal for Barca.
75'
Celta are starting to find their rhythm once again and are putting the visitors under pressure at the back.
73'
CLOSE! Mor opens up the Barca defence as he combines with Aspas. He has space and time to pick his spot with his left foot from the inside channel, but he can only fire inches wide of the post. Agony for Unzue on the bench.
72'
O. Dembélé enters the game and replaces José Arnaiz.
Dembele returns to action to replace Arnaiz.
71'
I. Rakitić enters the game and replaces Paulinho.
Rakitic replaces Paulinho for the visitors.
69'
CHANCE! Mendez and Mor combine in the final third to open up the Barcelona defence, but the latter can only fire a tame effort straight into the hands of Cillessen.
68'
Brais Méndez enters the game and replaces D. Wass.
Mendez comes on for Wass.
67'
E. Mor enters the game and replaces P. Sisto.
Mor replaces Sisto for the home side.
66'
For the second time of the half, Digne sends a brilliant ball into the box, but on this occasion Vidal is on his heels and cannot latch on to the cross.
64'
André Gomes gets yellow.
Gomes clips the heels of Aspas on the turn and he goes into the book.
63'
Lobotka looks to release the run of Sisto in behind the Barca backline, but the winger is caught offside.
61'
BUSQUETS RATTLES THE BAR! Barca probe again and Busquets goes for the first-time strike from 25 yards and curls his effort towards the top corner. Alvarez is beaten, but the home side are saved as the ball crashes off the bar and bounces over.
59'
MISS! SUAREZ SPURNS A HUGE CHANCE! Semedo curls a delightful ball to the back post and the winger makes a late run to latch on to the cross. He meets the ball first time and has the goal at his mercy, but Suarez sends his side-footed effort wide of the post. A huge moment in the match.
58'
Suarez swings the ball into the box from the resulting corner and his delivery travels to the back post. Gomes sticks out a boot in his battle with Fontas, but he guides his effort over the bar.
57'
Semedo gets the better of his man down the right flank and lifts the ball to the back post, but Mallo rises highest to head behind.
56'
CLOSE! Digne collects on the left and sends a dangerous low cross to the back post. Arnaiz meets the ball with a diving header, but can only guide his effort wide of the post.
54'
Both teams are playing expansive football and are not afraid to commit numbers forward. Chances should be in the offing here.
52'
Mallo raids down the right flank and he cuts the ball back into the middle for Sisto to strike, but the winger misses his kick completely unmarked in the box.
50'
SAVE! Suarez releases the run of Arnaiz into the left inside channel and the winger tries to fire a strike past Alvarez, but the keeper makes a block with his body to divert the ball behind for a corner.
48'
Barca have started the half on the front foot and are knocking the ball around well in the Celta half.
46'
We're back underway in this Copa del Rey clash.
45'
Suarez makes a good challenge in the final third and Gomes pounces on the loose ball. He raids to the edge of the box before firing at goal, only to blast his effort well over the bar.
The referee ends the first half.
42'
CHANCE! Space opens for Paulinho to shoot from distance and he goes for the strike. His effort takes a deflection off Sanchez and travels just past the post, although Alvarez may have had it covered.
41'
WIDE! Wass tries to catch Cillessen unaware low to his right as he strikes from distance, but his effort goes just past the post.
40'
Wass raids to the edge of the box and slides a pass into the feet of Sisto. He leaves his team-mate with a lot to do, but the winger beats the challenge of Semedo before the defender comes in with a recovery challenge.
38'
Barcelona are losing their composure in possession as Suarez gifts the ball back to the home side.
37'
Jonny breaks down the left and tries to go for the blast from the edge of the box, but a strong tackle from Semedo stops his progress.
34'
Paulinho looks for a quick release of Arnaiz into the right inside channel, but the winger mistimes his run and is caught offside.
33'
Celta deserve their equaliser they've been the better side this evening and have finally found their clinical edge.
31'
P. Sisto has scored a goal for Celta Vigo!
Gomes surges forward through the middle of the park and looks for the offload down the left inside channel for Digne, but he overhits his pass out of play.
GOALLLLLLLLLL!!!!!! CELTA ARE LEVEL! The home side are back on level terms. They hit the visitors on the counter as Sisto breaks down the left. He slides a pass to Aspas, who tees up Lobotka for a strike. His effort is blocked into Maxi Gomez, who finds Aspas unmarked in the middle. On the stretch the winger crashes his effort into the bar and the ball bounces back off Cillessen. The Barca defence appeal for offside, but Sisto gathers and from a tight angle hammers his strike into the net. A brilliant effort from the Celta man.
29'
Valverde will not be thrilled with his side's performance thus far, but they're doing enough to keep the home side at bay. Without his key men in the final third, taking an early lead will ease the pressure on the Catalan club.
27'
Sisto latches on to a ball behind the Barca defence on the byline down the left inside channel. He loops a cross into the box for Maxi Gomez to head at goal, but Pique clears ahead of the forward.
26'
Andreu Fontàs gets yellow.
Fontas slides through the back of Arnaiz and goes into the book.
24'
Unzue will be frustrated with the scoreline at the moment. His side have dominated possession, but their one lapse at the back has handed Barca the advantage. That will play into the visitors' hands the longer Celta go without finding parity.
22'
Maxi Gomez bundles Pique off the ball in the final third. However, Wass and Sisto cannot combine to break open the Barca defence further and the home side are forced backwards.
20'
Aspas probes down the left with a weaving run and he has support in the box. The winger tries to force the ball across the face of goal, but Pique makes an important interception.
17'
Celta cannot let the Barca goal affect their confidence. They were playing well, but a loose pass in the final third from Wass allowed the visitors to break down the left and expose them on the counter.
15'
José Arnaiz has scored a goal for Barcelona! Assist by André Gomes.
Gomes surges down the left flank and fires a good cross into the box that Arnaiz slots home.
GOALLLLLLLL!!!! ARNAIZ FIRES HOME! Barcelona take the lead as the winger converts Gomes' low cross into the box at the back post. Gomes raided down the left flank and just managed to get an inch of space on Mallo to fire the ball across the face of goal. Arnaiz made a run to get in front of his man and he steered his effort into the bottom corner, leaving Alvarez with no chance.
14'
Celta have started the contest well and are asking questions of Valverde's men in the final third.
12'
Wass directs another teasing ball over the top of the visitors' backline. However, on this occasion it travels out of play as Sisto tried to latch on to the pass.
11'
Barca break with Vidal down the right and he slides a pass down the inside channel for Semedo. The full-back lifts the ball into the area for Gomes to attack, but the Portuguese can only guide his headed effort over the bar.
9'
WIDE! Celta win a free-kick on the right and although Barca clear the first cross the ball deflects to Maxi Gomez on the edge of the box. The striker pulls the trigger on a right-footed strike, but Pique diverts it behind for a corner.
8'
CHANCE! Wass lifts a great ball over the top of the Barca defence for the run of Aspas. The forward takes the ball in stride, but before he can shoot Semedo comes across to make a brilliant challenge to stop his strike.
7'
Unzue's men have settled into the contest and are moving the ball well across the pitch.
5'
The home side waste the opening as Sisto's low ball into the box is cleared with ease by Gomes.
4'
Sisto finds space again down the left and he releases the run of Jonny to the byline. The full-back lifts a cross to the back post and Digne is forced to head behind for a corner.
3'
Suarez raids into the box down the left flank and he tries to cut the ball back into the middle under pressure, but the Celta defence clear the danger.
2'
The home side move the ball with pace into the final third, but a poor first touch from Sisto allows Barca to get back in numbers.
1'
We're underway in this Copa del Rey clash.
The team news has been announced and we'll start with the home side.
Barcelona eased past Real Murcia in the last round, winning by a margin of eight goals over the course of the tie. Ernesto Valverde's men left their LaLiga campaign on a high note before the break by defeating Real Madrid in El Clasico. The Catalan club will be determined to continue their momentum with a strong performance to secure their place in the last eight of the competition.
Barcelona subs: Ter Stegen, Rakitic, Dembele, Mascherano, Alba, Sergi Roberto, Alena.
Celta defeated Deportivo La Coruna in their last contest before the winter break in LaLiga by a 3-1 margin. However, Unzue has made three changes to his side from the team that signed off on a high note. Sergio Alvarez comes into the side between the sticks, while Andreu Fontas and Jozabed Sanchez also come into the fold.
Valverde opts to leave Lionel Messi and Luis Suarez out of his side, with neither player even selected for the bench this evening. Jose Arnaiz leads the line through the middle as Paco Alcacer has not recovered from injury. Denis Suarez and Aleix Vidal support Arnaiz in the final third. Andres Iniesta is also left out of the team with Andre Gomes replacing him in the middle of the park. Nelson Semedo and Lucas Digne take their place in the back four, while Jasper Cillessen starts between the sticks.
FLASHBACK! In their meeting earlier this season, Barca and Celta played out a 2-2 draw at the Camp Nou as strikes from Aspas and Maxi Gomez cancelled out a brace from Messi.
HALF-TIME: CELTA VIGO 1-1 BARCELONA
Celta Vigo edged past Eibar in the last round of the competition, recording a 3-1 aggregate win, although they needed a late penalty from Iago Aspas to see off their opponents' threat in the second leg. The Celestes have never won the Copa del Rey, but have been runners-up on three occasions, last reaching the the final in the 2000-01 season.
Good evening and welcome to the live commentary of the Copa del Rey clash between Celta Vigo and Barcelona at the Balaidos.
It's all square at the break in the first leg of this Copa de Rey clash between Celta Vigo and Barcelona. Jose Arnaiz put the Catalan club ahead against the run of play, but Pione Sisto equalised for the home side with a powerful strike. Both sides have had good chances since, leaving the match evenly poised this evening.
FULL-TIME: CELTA VIGO 1-1 BARCELONA
The match remains evenly poised heading into the second leg at the Camp Nou next week. Jose Arnaiz did put Barcelona head, only for Celta Vigo to draw level through Pione Sisto. Both teams had chances to snatch the victory as Sergio Busquets and Sergio Roberto hit the woodwork for the visitors, while Emre Mor fired wide of the target for the home side. Denis Suarez has the best opening for Barca as he placed his effort wide from close range. However, there was no decisive third goal, leaving the contest in the balance.
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