Transfermarket lists the top 10 most expensive La Liga winter transfers, with Philippe Coutinho at €135 million in first place, Diego Costa at €60 million in second, and Ferran Torres at €55 million in third.

Top 10 Most Expensive La Liga Winter Transfers (in Euros):

1. Philippe Coutinho - Liverpool to Barcelona €135m (17/18 season)  

2. Diego Costa - Chelsea to Atlético Madrid €60m (17/18 season)  

3. Ferran Torres - Manchester City to Barcelona €55m (21/22 season)  

4. Íñigo Martínez - Real Sociedad to Athletic Bilbao €32m (17/18 season)  

5. Vitor Roque - Athletico Paranaense to Barcelona €30m (23/24 season)  

6. Reinier - Flamengo to Real Madrid €30m (19/20 season)  

7. Klaas-Jan Huntelaar - Ajax to Real Madrid €27m (08/09 season)  

8. Enzo Pérez - Benfica to Valencia €25m (14/15 season)  

9. Paco Alcácer - Borussia Dortmund to Villarreal €23m (19/20 season)  

10. Raúl de Tomás - Benfica to Espanyol €22.5m (19/20 season)