In the Torneo Apertura, Deportes Tolima won their second league title on 9 June, after tying with Atlético Nacional 2–2 on aggregate score in the finals and then beating them 4–2 on penalties[1] and in the Torneo Finalización, Junior won their eighth title on 16 December, following a 5–4 win against Independiente Medellín on aggregate score in the finals.
[4] On the other hand, Boyacá Chicó sealed their promotion on 6 December 2017, by winning the Primera B championship on penalty kicks against Leones.
a: Atlético Huila played their first three home games in the Torneo Apertura (against Deportivo Cali, Junior, and La Equidad) at Estadio Manuel Murillo Toro in Ibagué due to their regular stadium Estadio Guillermo Plazas Alcid not meeting DIMAYOR's stadium requirements.
b: Jaguares played their first three home games in the Torneo Apertura (against La Equidad, Deportes Tolima, and Patriotas) at Estadio Armando Tuirán Paternina in Sahagún due to works on the artificial lighting system at Estadio Jaraguay which enabled it to meet DIMAYOR's stadium requirements.
Source: Dimayor The First stage began on 20 July and featured the same format used in the Torneo Apertura, with reversed fixtures.