Has there ever been a 12–11 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 12–11 is about 1 in 82,880,517,475,430.

Nearby scores

1. 13–10 Never
2. 13–11 Never
3. 13–12 Never
4. 12–10 Never
5. 12–11 Never
6. 12–12 Never
7. 11–10 Never
8. 11–11 Never