As a data scientist from Imperial College London with 5 years analyzing Premier League tactics, I’ve tracked every touch, pass, and pressure event across 78 matches in La Liga’s 12th matchweek. The data reveals hidden defensive patterns—teams like Celta Vigo and Las Palmas are outperforming expectations not through firepower but through structured compactness. Here’s what the models saw: low xG allowed correlates with high tackle efficiency. This isn’t luck—it’s logic.