Has there ever been a 8–5 in the Premier League?

Yes, 1 time.

The only time: September 6, 1890, Derby County beat Blackburn Rovers (Derby County 8–5 Blackburn Rovers).

Nearby scores

1. 9–4 Never
2. 9–5 Never
3. 9–6 Never
4. 8–4 2 times
5. 8–5 1 time
6. 8–6 Never
7. 7–4 12 times
8. 7–5 4 times
9. 7–6 Never