Campeonato Nacional
Format: 20 teams divided into 2 groups of 10, the top 2 teams in each group went to direct elimination. Both semi-finals and final were single match, played on neutral venue. Participants: 14 teams from Metropolitano league – the to 12 in the final standing plus 2 qualified in the 'petit' tournament; 6 provincial teams – all of them had to qualified in 2 tournaments: one was for the 'stronger' provinces of Tucuman, Mendoza, Gran Mendoza, and the city of Mar del Plate. 4 teams came from those qualifications. The rest of the interior provided 2 teams.
Campeonato Nacional [National Championship] 1970
Table:
Group A
No. Team G W D L Gf Ga P
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1. Chacarita Juniors 20 13 3 4 25 19 29 Semifinalist
2. Gimnasia y Esgrima LP 20 12 3 5 46 31 27 Semifinalist
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3. River Plate 20 11 4 5 30 20 26
4. San Lorenzo de Almagro 20 11 2 7 45 26 24
5. Gimnasia y Egrima M 20 10 3 7 33 32 23
Standing from left: Wolff, Cejas, Basile, Chabay, Aguirre, Rulli
Crouching: Perfumo, Cardenas, Machado Da Silva, Adorno, Lamelza
6. Racing Club 20 5 7 8 35 30 17
7. Newell's Old Boys 20 5 5 10 29 36 15
8. Talleres (C) 20 4 7 9 27 42 15
9. San Martín (T) 20 5 4 11 19 37 14
10. Platense (VL) 20 3 4 13 21 46 8
Group B
1. Rosario Central 20 13 3 4 42 26 29 Semifinalist
2. Boca Juniors 20 13 3 4 36 20 29 Semifinalist
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3. Vélez Sarsfield 20 9 7 4 39 24 25
4. Independiente (A) 20 9 3 8 37 35 21
5. Estudiantes LP 20 7 6 7 31 22 20
6. Banfield 20 6 6 8 29 29 18
7. Atlanta 20 5 6 9 17 22 16
8. Kimberley (MdP) 20 4 7 9 33 41 15
Standing from left: Peralta, Taritolay, Allier, Roldán, Salinas, Torres. Crouching: Cáceres, Quevedo, Siaccia, Cerrizuela, Herrera.
9. Gimnasia y Esgrima J 20 4 6 10 27 43 14
10. San Martín (SJ) 20 4 5 11 27 47 13
Semifinals
Standing: Roberto Rogel, Julio Meléndez (Peru), Antonio Roma, Rubén Suñé, Norberto Madurga, Silvio Marzolini.
Crouching: I. Peña, Raúl Savoy, Angel Clemente Rojas, Orlando Medina, Aldo Villagra.
1. Boca Juniors 1 1 0 0 2 0 2 Finalist
Standing: Marcos, Poncio, Zurita, Eresuma, García Cambón, Neumann.
Crouching: Petrocelli, Buzzo, Ortiz, Frassoldatti,Bargas.
2. Chacarita Juniors 1 0 0 1 0 2 0
1. Rosario Central 1 1 0 0 3 0 2 Finalist
2. Gimnasia y Esgrima LP 1 0 0 1 0 3 0
Final
1. Boca Juniors 1 1 0 0 2 1 2 Champion
2. Rosario Central 1 0 0 1 1 2 0
Boca Juniors – winner of Campeonato Nacional.