With an average rating of 8.67, Marcelo Weigandt (Full-Back) was the player with best performances in this position group according to our model.
| Player | Rating | Defense | Minutes Played | Team |
| Marcelo Weigandt | 8.67 | Back 4 | 225 | Boca Juniors |
| Frank Fabra | 8.24 | Back 4 | 335 | Boca Juniors |
| Renê | 8.19 | Back 4 | 360 | Internacional |
| Fagner | 7.97 | Back 4 | 218 | Corinthians |
| Andrés Felipe Román | 7.95 | Back 4 | 225 | Atlético Nacional |
| Luis Advíncula | 7.90 | Back 4 | 270 | Boca Juniors |
| Joaquín Piquerez | 7.65 | Back 4 | 360 | Palmeiras |
| Agustín Bouzat | 7.61 | Back 5 | 514 | Colo-Colo |
| Fábio Santos | 7.48 | Back 4 | 270 | Corinthians |
| Pedrinho | 7.30 | Back 4 | 270 | Atlético Paranaense |
| Santiago Gabriel | 7.29 | Back 5 | 269 | Argentinos Jun |
| Lautaro Geminiani | 7.07 | Back 4 | 180 | Patronato |
| Wesley | 7.05 | Back 4 | 224 | Flamengo |
Conditions for the presented data:
– Minimum minutes played in the season: 180 minutes (equivalent to 2 full games) per type of defense played (Back 4 or Back 5);
– Libertadores Qualifying Round data excluded;
Data from FBref.