Has there ever been a 11–4 in the Primeira Liga?

Never.

It would be a scorigami. Based on the average number of goals in the Primeira Liga, the chance of a game ending 11–4 is about 1 in 132,589,797.

Nearby scores

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