In the Torneo Apertura, Atlético Nacional won its sixteenth title after beating Deportivo Cali in the finals, while in the Torneo Finalización Millonarios defeated crosstown rivals Santa Fe in the finals to win its fifteenth title.
[1] 20 teams took part, eighteen of them returning from last season plus América de Cali and Tigres, who were promoted from the 2016 Primera B.
[2] Cortuluá used the Estadio Francisco Rivera Escobar in Palmira for its home game against Deportes Tolima.
c: Deportivo Cali used the Estadio Pascual Guerrero for its home games against Atlético Huila and Cortuluá.
[3] e: La Equidad used the Estadio El Campín for its home games against América de Cali and Atlético Nacional.
Source: Dimayor The First stage began on 7 July and featured the same format used in the Torneo Apertura, with reversed fixtures.