Has there ever been a 7–5 in the Primera Argentina?

Yes, 3 times.

The first time: December 23, 1928, Quilmes beat Chacarita Juniors (Quilmes 7–5 Chacarita Juniors).

The last time: March 22, 1999, Gimnasia y Esgrima La Plata beat Gimnasia y Esgrima (Jujuy) (Gimnasia y Esgrima La Plata 7–5 Gimnasia y Esgrima (Jujuy)), 27 years ago.

Home wins: 3. Away wins: 0.

Nearby scores

1. 8–4 2 times
2. 8–5 Never
3. 8–6 Never
4. 7–4 5 times
5. 7–5 3 times
6. 7–6 Never
7. 6–4 18 times
8. 6–5 4 times
9. 6–6 2 times

All games

1. March 22, 1999 Gimnasia y Esgrima La Plata 7–5 Gimnasia y Esgrima (Jujuy)
2. May 27, 1945 Estudiantes de La Plata 7–5 Vélez Sarsfield
3. December 23, 1928 Quilmes 7–5 Chacarita Juniors