Has there ever been a 7–2 in the Primeira Liga?

Yes, 1 time.

The only time: May 10, 1998, FC Porto beat Salgueiros (FC Porto 7–2 Salgueiros).

Nearby scores

1. 8–1 2 times
2. 8–2 Never
3. 8–3 Never
4. 7–1 5 times
5. 7–2 1 time
6. 7–3 Never
7. 6–1 15 times
8. 6–2 7 times
9. 6–3 1 time