Has there ever been a 9–3 in the Primera Argentina?

Yes, 2 times.

The first time: November 24, 1935, Independiente beat Tigre (Tigre 3–9 Independiente).

The last time: October 30, 1938, Huracán beat Tigre (Huracán 9–3 Tigre), 87 years ago.

Home wins: 1. Away wins: 1.

Nearby scores

1. 10–2 3 times
2. 10–3 1 time
3. 10–4 1 time
4. 9–2 5 times
5. 9–3 2 times
6. 9–4 Never
7. 8–2 16 times
8. 8–3 4 times
9. 8–4 2 times

All games

1. October 30, 1938 Huracán 9–3 Tigre
2. November 24, 1935 Tigre 3–9 Independiente