Has there ever been a 8–2 in the Primera Argentina?

Yes, 16 times.

The first time: June 29, 1901, Belgrano Athletic beat Quilmes (Belgrano Athletic 8–2 Quilmes).

The last time: March 14, 1982, Talleres beat Mariano Moreno (Junín) (Talleres 8–2 Mariano Moreno (Junín)), 44 years ago.

Home wins: 12. Away wins: 4.

Nearby scores

1. 9–1 10 times
2. 9–2 5 times
3. 9–3 2 times
4. 8–1 28 times
5. 8–2 16 times
6. 8–3 4 times
7. 7–1 83 times
8. 7–2 43 times
9. 7–3 22 times

All games

1. March 14, 1982 Talleres 8–2 Mariano Moreno (Junín)
2. December 6, 1978 Estudiantes de La Plata 8–2 Juventud Antoniana
3. September 24, 1950 Estudiantes de La Plata 2–8 Atlanta
4. April 30, 1950 San Lorenzo 8–2 Banfield
5. September 28, 1947 San Lorenzo 8–2 Tigre
6. July 28, 1940 Boca Juniors 8–2 Gimnasia y Esgrima La Plata
7. July 23, 1939 Argentino de Quilmes 2–8 Lanús
8. December 18, 1938 Independiente 8–2 Lanús
9. October 9, 1938 Estudiantes de La Plata 2–8 Racing Club
10. October 2, 1938 Racing Club 8–2 Platense
11. December 8, 1935 Platense 8–2 Gimnasia y Esgrima La Plata
12. March 18, 1934 Gimnasia y Esgrima La Plata 8–2 Ferro Carril Oeste
13. September 11, 1932 San Lorenzo 8–2 Tigre
14. December 21, 1919 Atlanta 8–2 San Isidro
15. July 9, 1905 Reformer 2–8 Belgrano Athletic
16. June 29, 1901 Belgrano Athletic 8–2 Quilmes