Despite his transfer to Liverpool in the middle of the season, Luis Díaz was one of the main performers of the Portuguese league with the highest average rating in his position.
| Player | Rating | Defense | Minutes Played | Team |
| Luis Díaz | 8.73 | Back 4 | 1491 | Porto |
| Rafa Silva | 8.54 | Back 5 | 843 | Benfica |
| Vitinha | 8.10 | Back 4 | 2251 | Porto |
| Otávio | 8.08 | Back 4 | 2659 | Porto |
| Samuel Lino | 7.76 | Back 4 | 2868 | Gil Vicente FC |
| Ricardo Horta | 7.75 | Back 5 | 2166 | Braga |
| Pedrinho | 7.73 | Back 4 | 2882 | Gil Vicente FC |
| Darwin Núñez | 7.69 | Back 5 | 599 | Benfica |
| Pedro Gonçalves | 7.54 | Back 5 | 1824 | Sporting CP |
| Pedro Rodrigues | 7.52 | Back 5 | 1760 | Famalicão |
| Matheus Nunes | 7.45 | Back 5 | 2552 | Sporting CP |
| Julian Weigl | 7.43 | Back 4 | 1485 | Benfica |
| João Mário | 7.40 | Back 5 | 812 | Benfica |
| Julian Weigl | 7.38 | Back 5 | 928 | Benfica |
| Rafa Silva | 7.35 | Back 4 | 1148 | Benfica |
| Crysan | 7.17 | Back 4 | 1156 | Santa Clara |
| Mateus Uribe | 7.16 | Back 4 | 1990 | Porto |
| João Carlos Teixeira | 7.16 | Back 5 | 796 | Famalicão |
| Lincoln | 7.08 | Back 4 | 2479 | Santa Clara |
| Gustavo Sauer | 7.07 | Back 5 | 1760 | Boavista |
| Shoya Nakajima | 7.05 | Back 4 | 1231 | Portimonense |
| Fabio Vieira | 7.03 | Back 4 | 763 | Porto |
| André Franco | 7.02 | Back 4 | 2505 | Estoril |
| Iuri Medeiros | 7.02 | Back 5 | 1163 | Braga |
| Marcus Edwards | 7.01 | Back 4 | 1286 | Vitória Guimarães |
| Al Musrati | 7.00 | Back 5 | 2070 | Braga |
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);
– Relegation/Promotion play-off data excluded;
Data from FBref.