Has there ever been a 7–7 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 7–7 is about 1 in 13,972,434.

Nearby scores

1. 8–6 Never
2. 8–7 Never
3. 8–8 Never
4. 7–6 Never
5. 7–7 Never
6. 6–6 Never