Has there ever been a 11–2 in the La Liga?

Yes, 1 time.

The only time: February 7, 1960, Real Madrid beat Elche CF (Real Madrid 11–2 Elche CF).

Nearby scores

1. 12–1 1 time
2. 12–2 Never
3. 12–3 Never
4. 11–1 1 time
5. 11–2 1 time
6. 11–3 Never
7. 10–1 5 times
8. 10–2 1 time
9. 10–3 1 time