SAVE! Fati plays a give-and-go with Griezmann and the latter's shot is heading in at the near post if not for Martin, who makes the save. The France striker is clearly not willing to settle for just the two goals today.
90'
William Carvalho gets yellow.
Roberto takes the ball past Carvalho and is ready to lead a late counter-attack, only to be dragged back by the Betis midfielder. A deserved yellow card.
Pedraza produces a good challenge on Fati inside the box at full stretch to keep the scoring down - he had to get that tackle spot on and he did exactly that.
89'
Barcelona are a few minutes away from getting their first three points on the board this season. They were made to work hard in the first half, but thanks to some Griezmann magic they are cruising over the line.
87'
NEARLY! Fati, keen to make an impression after being brought off the bench, sends an arrowed shot flying wide of the far post from a tight angle. That was nearly a 'remember the name' moment from the teenage talent.
85'
A third Betis goal would make things interesting. Ter Stegen collects the ball to relieve some of the pressure that had been building on his side. With a three-goal advantage, though, it is surely safe to assume that it is job done for Barcelona.
83'
Semedo makes Pedraza look silly by turning his opponent inside out. He is unable to pick out a team-mate with his cross, though, instead sending the ball straight to Martin at his near post.
81'
J. Firpo enters the game and replaces Rafinha.
Junior, who scored in this fixture for Betis last season, replaces Rafinha for the closing stages. Barca are protecting a three-goal lead.
79'
Loren Morón has scored a goal for Real Betis!
GOOOOOAAAALLL!!! BARCELONA 5-2 REAL BETIS! Loren pulls one back for Betis with a swerving shot into the top-right corner. Griezmann gave the ball away and Loren did not need a second invitation to pull the trigger.
78'
Ansu Fati enters the game and replaces Carles Pérez.
Perez, who can be happy with his shift having found the back of the net, is replaced by 16-year-old forward Fati.
Minute
Description
77'
A. Vidal has scored a goal for Barcelona! Assist by A. Griezmann.
Griezmann now has two goals and an assist to his name today - welcome to Barcelona! The ball was flashed into his path but he had the presence of mind to tee up Vidal alongside him.
GOOOOAAALLL!!! BARCELONA 5-1 REAL BETIS! Yet another sublime Barcelona goal! Griezmann is again heavily involved, unselfishly squaring the ball for Vidal with a first-time pass. The finish was of the highest order, with the substitute midfielder picking out the top-right corner and giving Martin no chance whatsoever.
76'
There has been little by the way of chances or indeed shots since Barcelona's fourth goal of the match. Alba's close-range finish killed off the contest for good and Betis do not look as though they have it in them to score a second.
75'
D. Lainez enters the game and replaces Sergio Canales.
Canales is replaced by Lainez in Betis' third and final change of the match.
74'
A. Vidal enters the game and replaces Sergio Busquets.
Influential Barcelona midfielder Busquets is unable to shake off the injury and is replaced by Vidal. There is no need to take any risks at 4-1 up.
73'
Busquets has gone down and is holding his shin, so Valverde may well be forced into making his first change of the match. There is not a great deal else happening at the moment, with Barcelona managing the game in a professional manner.
72'
Betis are enjoying a prolonged spell on the ball but they are struggling to break down Barcelona's back-line. In fact, the hosts appear happy to invite pressure on themselves so they can hit their opponents on the counter.
70'
Fekir and Alba collide and both players look in a little pain, but they are fine to continue. Valverde is holding off from turning to his bench for the time being.
68'
Barcelona have had 73 per cent of the ball today. They struggled to do much with it for large parts of the first half, but since Griezmann's opening goal they have been truly dominant. You would not rule out a fifth goal following shortly.
66'
Rafinha fouls Emerson and Betis have a chance to get the ball into the box from the free-kick, but they do not make the most of the set-piece opportunity. The attack fizzles out and time is now fast running out for Rubi's charges.
64'
Barcelona can afford to go through the motions now after putting the game out of Betis' reach. Remember, they were a goal behind with five minutes of the first half to go - what an impressive turnaround this has been. It is passes galore now for Valverde's side.
61'
Joaquín enters the game and replaces A. Guardado.
W. Kaptoum enters the game and replaces Cristian Tello.
Rubi springs into action by making a couple of changes following Barcelona's fourth goal. Kaptoum is on for Tello in the first of those subs.
Joaquin is on for Guardado with a little under half an hour to play at Camp Nou.
60'
Jordi Alba has scored a goal for Barcelona! Assist by Sergio Busquets.
GOOOOAAALLL!!! BARCELONA 4-1 REAL BETIS! If it was not game over before, it certainly is now! Busquets prods the ball through for Alba and the left-back fires it past back-up Betis keeper Martin, who has not covered himself in glory today.
Alba held his run and Busquets played the ball between two Betis players for the defender to latch on to. As simple as you like for the home side, who will feel a lot better about themselves after this impressive win.
58'
Griezmann has grown more and more into this game and you would not bet against him scoring a hat-trick. Betis have offered very little in the second half and are staring successive defeats in the face.
56'
Carles Pérez has scored a goal for Barcelona! Assist by Nélson Semedo.
GOOOOAAALLL!!! BARCELONA 3-1 REAL BETIS! One goal down with 40 minutes played, Barcelona are now 3-1 up after 56 minutes. Possession is turned over high up the pitch and Perez this time keeps his composure when given time to pick his spot. He brings the ball inside Guardado and passes the ball into the back of the net, though it was not quite in the bottom corner and Martin maybe could have done better.
Semedo cut the ball back from the byline and Perez did well to bring it inside his man and pick his spot.
55'
SIDE-NETTING ONLY! Griezmann starts an attack that ends with Perez shooting into the side-netting. The youngster could have - and should have - returned the ball to Griezmann. Barca are now the side focusing on the counter-attack in a complete reverse to the first half.
52'
In the absence of Suarez, Messi and Dembele, Griezmann has stepped up to put Barcelona 2-1 in front. That goal changes the complexion of the match, with the onus now on Betis to get at their opponents. There are more goals in this game.
50'
A. Griezmann has scored a goal for Barcelona! Assist by Sergi Roberto.
GOOOOAAALLL!!! BARCELONA 2-1 REAL BETIS! Griezmann's Camp Nou career well and truly has lift-off! He shifts the ball on to his left boot and bends the ball out of Martin's reach from just inside the box. That really is out of the top drawer!
A second goal for Griezmann and a second assist for Roberto. This was less impressive than his first, though, with this goal all about the quality of Griezmann's finish.
49'
Griezmann helps out his side defensively by sliding in on Fekir. He appears to get some of the ball, but the referee Jose Luis Gonzalez Gonzalez feels otherwise and a free-kick is awarded to Betis.
48'
Barcelona have picked up from where they left off in the first half. Griezmann is doing well to link up play and he spreads it to Perez, who gets his contact all wrong and sends a shot off target.
46'
KICK-OFF! Betis, who will consider this a big point if they can hold on, get us back up and running at the home of the champions.
45' +1
HALF-TIME: BARCELONA 1-1 REAL BETIS
45'
Barcelona are turning the screw in search of a second goal before the half-time interval. Betis may need to rethink their gameplan because they surely cannot see out another 45 minutes of this.
43'
NEARLY A SECOND! Barcelona almost turn the game on its head in the space of a couple of minutes as Semedo sends in a great cross. It is just out of Perez's reach and Betis survive the two corners that follow.
41'
A. Griezmann has scored a goal for Barcelona! Assist by Sergi Roberto.
This is a brilliant assist. Roberto has played a couple of smart through-balls today and this pass was simply crying out for Griezmann to convert.
GOOOOAAALLL!!! BARCELONA 1-1 REAL BETIS! Griezmann is up and running in a Barcelona shirt - and what a time to score his first competitive goal in the famous colours! Roberto picks out Griezmann's run and the France striker volleys the ball home. The contact was not clean - it hit his shin - but it was still an impressive strike and had enough power to beat Martin.
39'
The game has become incredibly scrappy as we approach half-time. Barca are continuing to probe away and have just had a handball shout turned down by the referee.
38'
DEFLECTED WIDE! Roberto slides the ball through and Alba is in behind the Betis defence. He manages to pick out Rafinha in a good position, but the shot hits Sidnei in front of goal and deflects behind for a corner.
36'
The end product is still lacking from Barcelona's perspective. Vidal has been sent to warm up and Valverde may be forced into an early change, with Busquets seemingly the player struggling.
34'
Rafinha goes to ground in the box but there was no contact made - he lost his footing, rather than being tripped.
33'
FEKIR HAS A GO! The free-kick may be a good 30 yards out, but Fekir is not put off and he decides to have a go at goal. The attempt is on target but it is a routine save for Ter Stegen to make.
32'
Piqué gets yellow.
Betis are causing all sorts of problems on the counter. Fekir and Loren once again link up and the latter is barged off the ball by Pique around 30 yards from goal, leading to the first booking of the contest.
31'
Busquets brings down Fekir and Betis have a chance to breathe a little. It has been pretty much a constant wave of Barcelona pressure, but they need to start testing the opposition keeper. As things stand, they will be six points adrift of top spot in LaLiga.
29'
Only one of Griezmann's shots shortly before Fekir's goal was on target - that aside Martin has had very little to do. Barca are struggling to get in behind and when they do the final pass is lacking.
27'
Barcelona are trying a little too hard to force the issue. Betis are forming a compact shape at the back and that is making it very difficult for the champions to find a way through. A bit of inspiration is needed from one of Barca's attacking talents.
25'
Rubi's side are getting bodies back behind the ball and are focusing on hitting their opponents on the counter. It is a gameplan that is working perfectly at the moment, with Loren and Fekir playing a key part in their strategy.
23'
Betis fail to clear their lines from the corner and the ball is played back to Griezmann. The France striker attempts to pick his spot but only succeeds in picking out an opposition player.
21'
Valverde's side are starting to find their rhythm once again, but the longer they remain a goal behind the more frustrated their players - and indeed fans - will get. Griezmann had a couple of attempts before Fekir's goal but we have seen less of him since then.
19'
One shot for Betis and one goal - it really has been smash-and-grab stuff. The visitors try to counter once again but Tello, formerly of Barcelona, is dispossessed.
17'
Barcelona now have it all to do. They started the match with plenty of confidence, despite their shock defeat last week, but there was little end product and now they have to score twice - a task made far more difficult without Suarez, Dembele and Messi in their ranks.
15'
N. Fekir has scored a goal for Real Betis! Assist by Loren Morón.
SAVES! Barcelona are really starting to tighten their grip on this match. Griezmann's shot has power behind it but Martin makes the save. A minute later, his first-time shot is slightly mishit and Martin is there again.
The finish from Fekir was impressive and the pass to him from Loren was not bad, either. The ball was perfectly weighted for Fekir to take it in his stride and slot into the far corner.
GOOOOAAAALLL!!! BARCELONA 0-1 REAL BETIS! Completely against the run of play, Real Betis take the lead at Camp Nou. Busquets is guilty of giving away possession and boy do the visitors make him pay. Loren slides the ball through for Fekir, who takes a touch to set himself and then fires it across Ter Stegen with his second. Brilliant finish!
14'
HALF A CHANCE! Alba has been heavily involved in the opening 15 minutes here. He sends in another cross from the left which Roberto gets on the end of, but he mistimes his leap and guides the header off target.
13'
Play is spread to Alba down the left and Rafinha, keen to make a point today, soon takes over. It is worked to Griezmann on the edge of the box but he soon runs into trouble. Betis are being penned in.
10'
The hosts are already looking a lot better on the ball compared to last week at San Mames. They have had 73 per cent of possession and managed a couple of shots, although neither of those have been on target.
8'
Barcelona are playing some very nice football. Rafinha flicks the ball into the path of Alba but there is nothing to show for what was shaping up to be a promising attack as the cross is cut out.
6'
Griezmann, guilty of trying one pass too many in that previous attack, opts to have a go from range on this occasion and sends his shot wide of the target.
5'
Barcelona, as expected, are completely dominating possession in the early stages. The ball is played into the box a couple of times but Betis are standing firm at the back. De Jong brings the ball inside and plays it into the path of Griezmann, who elects against shooting - wrong choice!
3'
This Barcelona side is far from full strength and Betis look to have set up in a fairly attacking formation. The ball falls for Rafinha to strike in the box but his effort is blocked.
1'
KICK-OFF! Barcelona, aiming to respond to last week's defeat to Athletic, get us under way at Camp Nou!
Hello and welcome to our coverage of the LaLiga clash between Barcelona and Real Betis at Camp Nou.
Reigning LaLiga champions Barcelona suffered a shock 1-0 defeat to Athletic Bilbao in their opening fixture and need to respond here against Betis, who went down 2-1 to Real Valladolid last weekend. Not since 2008-09 have Barca remained winless in their first two league games and, even if he has won back-to-back titles, anything less than victory today will see the pressure grow on boss Ernesto Valverde.
Atletico Madrid lead Leganes 1-0 with 15 minutes to go in that game and Sevilla already have six points from six, so Barcelona could really do with getting a first win on the board in this opening home game of the new campaign. Betis are also pointless following their loss to Valladolid, leaving them in the relegation zone with Barca and Leganes at this early stage in the season, but they won 4-3 here on their most recent visit and are capable of pulling off another upset.
BARCELONA (4-3-3): Marc-Andre ter Stegen; Nelson Semedo, Gerard Pique, Clement Lenglet, Jordi Alba; Sergi Roberto, Sergio Busquets (c), Frenkie de Jong; Rafinha, Antoine Griezmann, Carles Perez.
REAL BETIS (4-2-3-1): Dani Martin; Emerson, Marc Bartra, Sidnei, Alfonso Pedraza; William Carvalho, Andres Guardado (c); Nabil Fekir, Sergio Canales, Cristian Tello; Loren Moron.
Barcelona subs: Junior, Anssumane Fati, Ivan Rakitic, Inaki Pena, Arthur, Samuel Umtiti, Arturo Vidal.
The two teams are now out on the field at Camp Nou and we are moments away from kick-off.
Real Betis subs: Juanmi, Wilfrid Kaptoum, Javi Garcia, Diego Lainez, Aissa Mandi, Joaquin, Daniel Rebollo.
Valverde will be a lot happier now that his side are on level terms, but there is still plenty of work to be done in the second half. Vidal was sent to warm up during the first half and may well be introduced before play resumes. In terms of attacking changes, though, there are no real game-changing players on the hosts' bench.
Thanks for joining our coverage today. Until next time, goodbye!
Barcelona, three points adrift of early LaLiga pacesetters Sevilla and Atletico Madrid, return to action next Saturday with a trip to Osasuna. As for Betis, they will go in search of their first points of the campaign against Leganes in six days' time.
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