The Reale Arena witnessed a sporting anomaly that challenged the very foundations of expected goals and territorial dominance. While the final score read 2–1 in favor of Real Sociedad, the statistical backdrop suggested a match that Barcelona should have won by a landslide. Hansi Flick’s side finished the evening with an overwhelming 72% possession and unleashed 25 shots, accumulating a staggering 3.68 Expected Goals (xG).
Yet, the narrative of the night was not one of Barcelona’s brilliance, but rather a tactical masterclass in efficiency and psychological endurance by Pellegrino Matarazzo’s men. This was a victory of the few over the many, a defensive siege that turned the “death by possession” philosophy back on its architect.
Tactically, Real Sociedad’s approach was an exercise in extreme discipline. By conceding nearly three-quarters of the pitch to Barcelona, they effectively compressed the game into a thirty-yard corridor in front of Álex Remiro’s goal. This low block looked like a sign of surrender, but it was a calculated invitation. Barcelona completed 604 passes, but the vast majority were forced into the periphery as Sociedad’s narrow defensive structure denied Lamine Yamal and Pedri the central pockets they usually exploit. Matarazzo understood that against a team with Barca’s creative volume, you do not fight for the ball; you fight for the space where the ball becomes dangerous.
The opening goal in the 32nd minute was the perfect distillation of this “less is more” philosophy. Despite having only seven shots the entire game, Sociedad’s transitions were surgical. When Gonçalo Guedes found space on the flank, his cross was a rare moment of offensive verticality that bypassed Barca’s high line. Mikel Oyarzabal’s clinical volley was the result of the only real defensive lapse Barca committed in the first half, proving that in a game of 28% possession, every touch must be a killing blow.
However, the tactical story cannot be told without addressing the psychological warfare waged by the Video Assistant Referee and the woodwork. Barcelona’s mental fortitude was tested to its absolute limit as they saw three separate goals, from Fermín López, Frenkie de Jong, and Lamine Yamal, overturned for marginal offsides.
To have the ball in the net three times and remain at zero on the scoreboard creates a unique form of psychological damage. When a penalty awarded to Yamal in first-half stoppage time was also rescinded, the frustration within the Blaugrana ranks became palpable. This VAR trauma acted as a morale boost for Sociedad’s defense, as every Barca attack began to feel shadowed by a sense of impending nullification.
The secondary psychological factor was the invisible wall formed by the frame of the goal. Barcelona hit the woodwork five times, a feat of statistical misfortune that rarely occurs in elite football. Dani Olmo was denied twice by the post, while Robert Lewandowski, Jules Koundé, and Marcus Rashford all saw goal-bound efforts rebuffed by the metal.
For the Real Sociedad defenders, every clang of the post acted as a morale booster, a sign that the gods of the game were on their side. Conversely, for Barcelona, it created a desperate, hurried quality to their finishing in the final twenty minutes.
The match reached its crescendo in a manic sixty-second window that defined the difference between momentum and clinical reaction. In the 70th minute, Marcus Rashford seemed to have finally broken the curse, heading home an equalizer just seven minutes after entering the fray.
At 1–1, with 72% possession, the momentum should have swung irrevocably toward Barcelona. Instead, the psychological fragility of the moment was exposed. Straight from the kickoff, Sociedad attacked with a directness that Barca wasn’t prepared for. When Joan García fumbled Carlos Soler’s effort, Gonçalo Guedes, the match’s tactical protagonist(for the home side), was there to restore the lead instantly. It was a sucker punch of the highest order, reclaiming the lead before Barca had even finished celebrating their equalizer.
The final ten minutes were a test of pure mental grit. Real Sociedad were forced to defend their slim lead with ten men after Carlos Soler was shown a red card in the 88th minute for a foul on Pedri. Faced with nine minutes of stoppage time and a relentless Barca assault, the Basque side relied on the heroics of Álex Remiro. His eight saves were not just physical interventions; they were psychological statements. His point-blank stop against Roony Bardghji in the 97th minute was the final act of a performance that refused to buckle under the weight of 25 shots.
Ultimately, Real Sociedad won because they embraced the role of the survivor. They accepted that they would be outplayed in every statistical category, possession, shots, corners, and xG, and focused entirely on the moments that mattered. They exploited Barca’s high line with a directness that punished the league leaders’ arrogance, and they maintained a psychological calm while Barcelona descended into a frantic, woodwork-rattling desperation.
Of course Sociedad had a bit of luck, but they converted their chances, which is all that matters ultimately, it was a victory of tactical efficiency over volume, proving that in the Reale Arena, 28% of the ball was more than enough to dismantle a giant.






