Has there ever been a 8–2 in the Serie A?

Yes, 6 times.

The first time: November 21, 1948, Lazio beat Bologna FC (Lazio 8–2 Bologna FC).

The last time: January 15, 2023, Atalanta beat Salernitana (Atalanta 8–2 Salernitana), 3 years ago.

Home wins: 5. Away wins: 1.

Nearby scores

1. 9–1 8 times
2. 9–2 2 times
3. 9–3 1 time
4. 8–1 4 times
5. 8–2 6 times
6. 8–3 Never
7. 7–1 34 times
8. 7–2 15 times
9. 7–3 7 times

All games

1. January 15, 2023 Atalanta 8–2 Salernitana
2. April 14, 1996 Internazionale 8–2 Calcio Padova
3. March 5, 1995 Lazio 8–2 ACF Fiorentina
4. May 24, 1992 US Foggia 2–8 AC Milan
5. October 23, 1988 SSC Napoli 8–2 Pescara Calcio
6. November 21, 1948 Lazio 8–2 Bologna FC