After Villarreal's 4-1 loss to Barcelona, coach Marcelino openly acknowledged a critical mistake made by his team. According to him, the turning point was the third goal scored by young Barcelona winger Lamine Yamal.

Until that moment, the match was still competitive with Villarreal having opportunities. However, Marcelino described the conceded goal as "disastrous" due to how easily it was allowed, which shifted the momentum in Barcelona's favor. He admitted that Villarreal "opened the door" for a previously uncertain Barcelona side.

Despite the heavy scoreline, Marcelino felt the result was harsh considering the team's performance. He highlighted that Villarreal fought hard and created moments but fell victim to that crucial lapse.

Lamine Yamal’s outstanding display, including a hat-trick, was recognized as a decisive factor. Marcelino praised the young talent’s quality and noted that giving Yamal space almost inevitably leads to goals.

A minor incident occurred on the sidelines involving Hansi Flick, who showed frustration following a challenge on Yamal. Marcelino clarified the situation, mentioning that the issue was resolved after Flick apologized.

This key mistake significantly influenced the match’s outcome. Analyzing such moments is essential for understanding weaknesses and making adjustments to prevent similar defeats in the future.