Has there ever been a 15–5 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 15–5 is about 1 in 686,087,491,247.

Nearby scores

1. 16–4 Never
2. 16–5 Never
3. 16–6 Never
4. 15–4 Never
5. 15–5 Never
6. 15–6 Never
7. 14–4 Never
8. 14–5 Never
9. 14–6 Never