Newly promoted sides Deportivo de A Coruña, Málaga, and Racing Santander face the steepest adaptation challenges in the opening weeks of the 2026-27 campaign, with limited top-flight experience and squad depth contributing to early defensive vulnerabilities and poor goal differences. Opta simulations highlight Deportivo (29.2% relegation probability), Elche (28.4%), and Sevilla (27.7%) as the highest-risk clubs, reflecting Sevilla’s repeated survival scrambles, ongoing financial constraints, and key summer departures. Racing and Málaga also carry elevated implied probabilities above 25% amid ownership instability and integration hurdles. Established sides like Espanyol, Levante, and Valencia remain in the mix due to inconsistent recent form and fixture difficulty, while early results show Athletic Bilbao and Real Sociedad rooted near the bottom after heavy defeats. Trader consensus therefore centers on the promoted trio and financially strained clubs as the primary relegation candidates through the winter months.