| Season | 1931 |
|---|---|
| Dates | 31 May 1931 – 6 January 1932 |
| Champions | Estudiantil Porteño (AFA) Boca Juniors (LAF) |
←1930 1932 → | |
The1931Primera División season was the 40th season of top-flightfootball in Argentina and the first to be professional in the country, after eighteen clubs broke away from the amateur league structure to form the professional league, "Liga Argentina de Football" (LAF). The inaugural champions wasBoca Juniors led by coachMario Fortunato.[1] The top scorer of the championship wasAlberto Zozaya ofEstudiantes de La Plata with 33 goals.[2]
The official body (AFA) remained amateur under the denomination "Asociación Amateurs Argentina de Football".[3]
The championship had originally started on May 10, 1931 with 34 teams competing. After the first run was played, 19 teams disjoined the league to move to recently createdLiga Argentina de Football (professional); they were Argentinos Juniors, Atlanta, Boca Juniors, Chacarita Juniors, Defensores de Belgrano, Estudiantes LP, Ferro Carril Oeste, Gimnasia y Esgrima LP, Huracán, Independiente, Lanús, Platense, Quilmes, Racing, River Plate, San Lorenzo, Talleres (RE), Tigre, and Vélez Sarsfield.[3]
 Estudiantil Porteño, AFA champions | |
| Season | 1931 |
|---|---|
| Dates | 28 June – 27 December |
| Champions | Estudiantil Porteño (1st title) |
| Promoted | Nueva Chicago |
| Relegated | San Fernando |
| Matches | 306 |
| Goals | 1,093 (3.57 per match) |
| Top goalscorer |  José Ciancio (Almagro)(14 goals) |
| Biggest home win | Sp. Barracas 7–2 S. Fernando(19 Jul) |
| Biggest away win | S. Fernando 0–6 Almagro(12 Jul |
| Highest scoring | S. Fernando 3–7 El Porvenir(29 Nov |
←1930 1932 → | |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Almagro | 15 | 13 | 0 | 2 | 45 | 13 | +32 | 26[a] |
| 2 | Estudiantil Porteño | 15 | 12 | 2 | 1 | 31 | 17 | +14 | 26[a] |
| 3 | Sportivo Buenos Aires | 15 | 11 | 0 | 4 | 26 | 16 | +10 | 22 |
| 4 | El Porvenir | 15 | 9 | 3 | 3 | 34 | 20 | +14 | 21 |
| 5 | Excursionistas | 15 | 7 | 3 | 5 | 36 | 27 | +9 | 17 |
| 6 | Nueva Chicago | 15 | 7 | 3 | 5 | 22 | 24 | −2 | 17 |
| 7 | Argentino (Q) | 15 | 7 | 2 | 6 | 24 | 24 | 0 | 16 |
| 8 | Sportivo Palermo | 15 | 6 | 3 | 6 | 24 | 23 | +1 | 15 |
| 9 | Sportivo Barracas | 15 | 5 | 4 | 6 | 35 | 30 | +5 | 14 |
| 10 | Barracas Central | 15 | 5 | 4 | 6 | 22 | 26 | −4 | 14 |
| 11 | Estudiantes (BA) | 15 | 5 | 3 | 7 | 20 | 23 | −3 | 13 |
| 12 | Colegiales | 15 | 4 | 5 | 6 | 20 | 26 | −6 | 13 |
| 13 | Defensores de Belgrano | 15 | 3 | 3 | 9 | 13 | 19 | −6 | 9 |
| 14 | Banfield | 15 | 3 | 3 | 9 | 21 | 37 | −16 | 9 |
| 15 | Argentino (B) | 15 | 2 | 2 | 11 | 12 | 25 | −13 | 6 |
| 16 | San Fernando | 15 | 1 | 0 | 14 | 13 | 48 | −35 | 2 |
Estudiantil Porteño andAlmagro finished level on points at the top of the table, so a championship playoff was played to proclaim a champion.[3]
| Estudiantil Porteño | 3-1 | Almagro |
|---|---|---|
F. Martínez 25',84'Bissio 70' | Report | M. Fernández 42' |
         Estudiantil Porteño |    Almagro
|
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 Boca Juniors, LAF champions | |
| Season | 1931 |
|---|---|
| Dates | 31 May 1931 – 6 January 1932 |
| Champions | Boca Juniors (7th title) |
| Relegated | (none) |
| Top goalscorer | Alberto Zozaya (33) |
| Biggest home win | Racing 6–0 Vélez(14 Jun) |
| Biggest away win | Ferro 2–6 Huracán(4 Oct) |
←1930 1932 → | |
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Boca Juniors | 34 | 22 | 6 | 6 | 85 | 49 | +36 | 50 |
| 2 | San Lorenzo | 34 | 19 | 7 | 8 | 81 | 52 | +29 | 45 |
| 3 | Estudiantes (LP) | 34 | 20 | 4 | 10 | 103 | 51 | +52 | 44 |
| 4 | River Plate | 34 | 19 | 6 | 9 | 63 | 39 | +24 | 44 |
| 5 | Racing | 34 | 19 | 5 | 10 | 81 | 51 | +30 | 43 |
| 6 | Independiente | 34 | 18 | 7 | 9 | 69 | 60 | +9 | 43 |
| 7 | Chacarita Juniors | 34 | 18 | 6 | 10 | 63 | 58 | +5 | 42 |
| 8 | Huracán | 34 | 13 | 7 | 14 | 58 | 49 | +9 | 33 |
| 9 | Vélez Sarsfield | 34 | 13 | 7 | 14 | 63 | 68 | −5 | 33 |
| 10 | Ferro Carril Oeste | 34 | 12 | 8 | 14 | 60 | 74 | −14 | 32 |
| 11 | Argentinos Juniors | 34 | 12 | 7 | 15 | 49 | 61 | −12 | 31 |
| 12 | Gimnasia y Esgrima (LP) | 34 | 9 | 12 | 13 | 42 | 64 | −22 | 30 |
| 13 | Platense | 34 | 13 | 3 | 18 | 52 | 52 | 0 | 29 |
| 14 | Quilmes | 34 | 12 | 5 | 17 | 53 | 62 | −9 | 29 |
| 15 | Talleres (RE) | 34 | 11 | 2 | 21 | 48 | 68 | −20 | 24 |
| 16 | Tigre | 34 | 8 | 7 | 19 | 47 | 70 | −23 | 23 |
| 17 | Lanús | 34 | 10 | 2 | 22 | 43 | 82 | −39 | 22 |
| 18 | Atlanta | 34 | 4 | 7 | 23 | 33 | 83 | −50 | 15 |
| Pos | Name | Team | Goals |
|---|---|---|---|
1 | Alberto Zozaya | Estudiantes (LP) | 33 |
2 | Alejandro Scopelli | Estudiantes (LP) | 31 |
3 | Francisco Varallo | Boca Juniors | 27 |
