The CIES Football Observatory have compiled the strongest XI of the campaign based on the information, with three players apiece from Atleti and the Blaugrana.
The title-winning Rojiblancos are represented by goalkeeper Jan Oblak, midfielder Koke and striker Luis Suarez, while Barca have Clement Lenglet, Frenkie de Jong and Lionel Messi included.
Goalkeeper: Jan Oblak (Atletico Madrid)
Defense: Jesus Navas (Sevilla), Jules Kounde (Sevilla), Clement Lenglet (Barcelona), Javi Galan (Huesca)
Midfield: Frenkie De Jong (Barcelona), Koke (Atletico Madrid), Luka Modric (Real Madrid)
Attack: Lionel Messi (Barcelona), Karim Benzema (Real Madrid), Luis Suarez (Atletico Madrid)