Has there ever been a 7–1 in the Primeira Liga?

Yes, 5 times.

The first time: September 18, 1995, Sporting CP beat Campomaiorense (Sporting CP 7–1 Campomaiorense).

The last time: December 19, 2021, SL Benfica beat Marítimo (SL Benfica 7–1 Marítimo), 4 years ago.

Home wins: 4. Away wins: 1.

Nearby scores

1. 8–0 1 time
2. 8–1 2 times
3. 8–2 Never
4. 7–0 9 times
5. 7–1 5 times
6. 7–2 1 time
7. 6–0 27 times
8. 6–1 15 times
9. 6–2 7 times

All games

1. December 19, 2021 SL Benfica 7–1 Marítimo
2. January 4, 2020 Belenenses 1–7 SC Braga
3. May 16, 1999 FC Porto 7–1 Académica
4. May 17, 1998 SL Benfica 7–1 Leça
5. September 18, 1995 Sporting CP 7–1 Campomaiorense