Has there ever been a 11–6 in the Primera Argentina?

Never.

It would be a scorigami. Based on the average number of goals in the Primera Argentina, the chance of a game ending 11–6 is about 1 in 666,168,971.

Nearby scores

1. 12–5 Never
2. 12–6 Never
3. 12–7 Never
4. 11–5 Never
5. 11–6 Never
6. 11–7 Never
7. 10–5 Never
8. 10–6 Never
9. 10–7 Never