In this season, the top performing CBs of the spanish league played outside the two biggest clubs (Real Madrid and Barcelona). Koundé was the best performing CB in La Liga leading the ratings list. Pau Torres was the second best perfoming CB but his rating was far off Koundé’s rating. An interesting fact is that all the top performing CBs of Liga Liga played in a Back 4.
| Player | Rating | Type of defense | Minutes Played | Team |
| Jules Koundé | 7.82 | Back 4 | 2460 | Sevilla |
| Pau Torres | 7.47 | Back 4 | 2855 | Villarreal |
| Éder Militão | 7.31 | Back 4 | 3031 | Real Madrid |
| David Alaba | 7.22 | Back 4 | 2372 | Real Madrid |
| Gerard Piqué | 7.08 | Back 4 | 1977 | Barcelona |
Conditions for the presented data:
– Minimum minutes played in the season: 450 minutes (equivalent to 5 full games) per type of defense played (Back 4 or Back 5);
Data from FBref.