2018 Torneo Descentralizado
The 2018 Torneo Descentralizado de Fútbol Profesional (known as the 2018 Copa Movistar for sponsorship reasons) was the 102nd edition of the top flight of Association football governed by the Federación Peruana de Futbol (FPF) ( or ). There were 16 teams in play; Alianza Lima were the defending champions. Sporting Cristal won their nineteenth domestic championship on 16 December after beating Alianza Lima in both legs of the finals. Competition format. The season was played in four phases: Torneo de Verano (Summer Tournament), Torneo Apertura (Opening Tournament), Torneo Clausura (Closing Tournament), and the Playoffs. In the Torneo de  Verano, teams were separated into two groups. Teams in each group played two matches against each team in their group, once at home and once away. The winner of each group qualified to play a double-legged final. The group winner with the most points on the aggregate table chose their home match. The winner of this tournament gained access to the playoffs and the 2019 Copa Libertadores if they finished in the top eight of the aggregate table at the end of the season. The Torneo Apertura and Torneo Clausura were two smaller tournament of 15 games in which  each team played all others once. In the Torneo Clausura, matches were played in reverse order to the ones in the Torneo Apertura, and Apertura points did not carry over to Clausura. The winners of the Apertura and Clausura qualified to the playoffs and the 2019 Copa Libertadores as long as they finished in the top eight of the aggregate table at the end of the season. In the Playoffs, the winners of the three tournaments and the top team in the aggregate table played two semifinals with the winners playing the final. If a team won two out of  the three tournaments, they would qualify for the final and the winner of the remaining tournament would play in the semifinal the best team in the aggregate table. The team with the most points on the aggregate table chose the home match. If teams were tied in points, a third match on neutral ground would be played to decide the national champion. If a team won the three tournaments, the playoffs would have been canceled and they would be declared as champions. The 2019 Copa Sudamericana berths were awarded to the four teams with the best record in the aggregate  table that did not qualify for the Copa Libertadores. The two teams with the fewest points at the end of the third leg were relegated. Teams. There were 16 teams confirmed to play in the 2018 Torneo Descentralizado; 14 teams from the previous season, the 2017 Segunda División champion (Sport Boys), and the 2017 Copa Perú champion (Binacional). Torneo de Verano. Finals. The champion was the team with the most points after the two legs were played. In case both teams tied in points and scored the same number of goals, there would have been 30 minutes of extra time  and penalties if still tied. Times are local, PET (). "Sporting Cristal won 2–1 on aggregate and secured a spot in the Playoffs." Aggregate table. All stages (Torneo de Verano, Torneo Apertura, and Torneo Clausura) of the 2018 season were aggregated into a single league table throughout the season to determine one of the teams that will qualify for the Copa Libertadores and the four Copa Sudamericana qualifiers, as well as those to be relegated at the end of the season. Playoffs. Semi-final. Second leg. "Tied 2–2 in points, Alianza Lima won on penalties and qualified for the Finals." Finals . Sporting Cristal (Torneo de Verano and Torneo Apertura winners) and Alianza Lima (winning semi-finalists) contested the finals. "Sporting Cristal won 6–0 in points."