There is something slightly surreal about Real Betis calling La Cartuja home. It is a 60,000 seat athletics stadium built for a World Championships, borrowed while the Benito Villamarin undergoes its redevelopment, and it still does not quite breathe like a proper football ground. The running track keeps the crowd at arm's length, the acoustics scatter rather than concentrate, and for all of Betis' recent form, I am not convinced that fortress effect visiting sides used to feel at the Villamarin has fully transferred across the city. That matters this weekend, because the visitors are Barcelona, a team that will not need much encouragement to play with freedom in a stadium that does not yet have the menace of a true home end.

And yet this is not some free hit for Barcelona against a side just making up the numbers. Betis go into this one third in LaLiga after seven rounds, having just put five goals past Osasuna, and Manuel Pellegrini's group have rediscovered the kind of attacking fluency that made them such an awkward puzzle for bigger sides in recent seasons. This is not the match I would have picked out a month ago as a banana skin for Barcelona, but the form table says otherwise.

A building site playing host to the league leaders

The logistics of this season for Betis cannot be ignored. Playing their home fixtures at La Cartuja while the Villamarin is rebuilt changes the geometry of the pitch, the depth of the stands, and the sense of suffocation that away teams used to describe when they visited Heliopolis. Barcelona have already shown this season they travel well and start fast, and a bigger, emptier-feeling stadium with a Saturday evening kickoff at 18:30 local time plays into the hands of a technically superior visiting side that wants time and space to work the ball through the thirds rather than survive a cauldron. If Betis are going to make home advantage count here, it will have to come from their press and their crowd noise rather than any physical intimidation the ground itself might offer.

Betis have rarely looked this dangerous

What should worry Barcelona is not the venue but the version of Betis currently taking shape under Pellegrini. A 5-2 win over Osasuna is the kind of scoreline that tells you a team is scoring from multiple angles rather than relying on one moment of quality, and sitting third in the table after seven games is no fluke. The squad news in the build up to that Osasuna match was broadly encouraging too, with Marc Bartra, Troy Parrott and Ez Abde all returning to full training during the week, giving Pellegrini a deeper bench than he had a fortnight earlier. Junior Firpo was the only confirmed absentee for that Osasuna game through a muscle problem, though there are also suggestions that Aitor Ruibal and Angel Ortiz remain sidelined, and Diego Llorente has been managing a muscle issue of his own in recent weeks. None of that is confirmed in full for this specific fixture, and I would treat Bartra's involvement here as a genuine doubt rather than a certainty given how recently he was back in full training, but the broader picture is a Betis squad with more bodies available than it had a few weeks ago, not fewer.

Tactically, this is a Betis team that likes to have the ball in sensible areas and break lines through midfield rather than hoof it long, but they are equally comfortable dropping into a mid-block and springing forward in transition when the opposition commits numbers forward. Against a Barcelona side that will dominate the ball regardless of where the game is played, that transitional threat is Betis' route into this match. The warning signs for Barcelona are there in how freely Betis scored against Osasuna: when their front line gets isolated with pace against a back line in recovery, they punish it.

Barcelona's relentless machine

Barcelona did not arrive at this fixture by accident. They head into the weekend chasing a sixth consecutive league win and the chance to open up a four point cushion at the top of the table before their closest rivals play again, and they underlined exactly why they are favourites for the title with a 3-0 demolition of Getafe at Camp Nou. That performance had early intent written all over it: Anthony Gordon opened the scoring inside the first two minutes, Gabriel Jesus doubled the lead before the half hour, and Jules Kounde added a third from deep as Barcelona finished with 83 percent possession and 23 shots. That is not a side easing off the accelerator.

The shape that day was a 4-2-3-1, with Joan Garcia in goal behind a back four of Kounde, Eric Garcia, Gerard Martin and Xavi Espart, Rodri and Gavi screening in a double pivot, and a front four of Lamine Yamal, Dani Olmo and Gordon supporting Gabriel Jesus through the middle. Raphinha was absent through suspension for that game and should return for this trip to Seville, which only deepens Barcelona's attacking options. The one genuine concern is Yamal, who played the full match against Getafe but has reportedly emerged as a doubt this week. If he is missing or restricted, it blunts some of the unpredictability Barcelona bring down the right side, though Flick has more than enough quality in reserve to compensate.

The tactical collision that decides it

The way I see this playing out hinges on what happens in the ten yards either side of Rodri and Gavi. Betis will want to press that double pivot aggressively and force Barcelona's back four into longer, riskier passes, using their own front line to attack the space in behind Eric Garcia and Gerard Martin, both of whom are being asked to play a high defensive line against a Betis attack that scored five just a week ago. If Betis can win the ball in the middle third and break with any kind of numbers, there is a route to real chances here, possibly more than one.

Barcelona's counter to that is patience and rotation. Gavi and Rodri are comfortable receiving under pressure and shifting the ball quickly into the channels for Gordon or Olmo to run in behind, and Barcelona's habit of scoring early, as they did against Getafe, suggests they will not be interested in feeling their way into this game cautiously. If they get the early goal, the rest of the afternoon becomes about Betis chasing the game against a team that controls the ball better than almost anyone in the division, and that is a losing proposition more often than not.

Where this could go wrong for my calls

The obvious risk to backing Barcelona comfortably here is fatigue and rotation. Six games unbeaten and a title race to manage is exactly the kind of run that invites a flat performance, particularly on the road at an unfamiliar stadium against a well-organised home side with genuine quality of its own. If Yamal is indeed out, or if Flick decides to rest key figures with one eye on the following midweek, Betis have the attacking tools to make Barcelona pay, especially at home in front of a crowd desperate to make La Cartuja feel less like a building site and more like an occasion. I also would not be shocked if the uncertainty around Bartra, Ruibal and Ortiz for Betis opens gaps at the back that a sharp Barcelona front four exploits more ruthlessly than I am allowing for, which is why I am not reaching for a heavier winning margin here.

Verdict

I keep coming back to the same conclusion: Barcelona are simply playing with more control right now, and a team chasing a sixth straight win with the title race in view does not often stumble against a side still rebuilding its own stadium, let alone its away form narrative. I expect Betis to score, because the shape of this Barcelona back four and their high line invite exactly the kind of transition play that Pellegrini's side have shown they can produce. But I expect Barcelona's superior control of midfield, through Rodri and Gavi, and their habit of landing the first blow, to be the difference. Barcelona to win, both teams to score, and goals at both ends of a lively afternoon in Seville.