The 1970 Primera División season was the 79th season of top-flight football in Argentina, with Independiente winning the Metropolitano championship (9th title) by goals for difference (43–42) after being equaled on points with River Plate.
[1] In the Nacional championship, Boca Juniors (coached by José María Silvero after Alfredo Di Stéfano resigned) won its 18th league title after beating Rosario Central in the final.
[3] Unlike previous seasons, there was no team promoted from Primera B Metropolitana.
Boca Juniors and Rosario Central (as champion and runner up of Nacional respectively) qualified to 1971 Copa Libertadores.
[4][5] This tournament was contested by two teams from Primera B Metropolitana (Ferro Carril Oeste and Almirante Brown) and teams placed 4th and 5th in Reclasificatorio Tournament, in order to define the rest two promoted or relegated clubs.