Has there ever been a 14–3 in the Liga MX?

Never.

It would be a scorigami. Based on the average number of goals in the Liga MX, the chance of a game ending 14–3 is about 1 in 4,436,366,508.

Nearby scores

1. 15–2 Never
2. 15–3 Never
3. 15–4 Never
4. 14–2 Never
5. 14–3 Never
6. 14–4 Never
7. 13–2 Never
8. 13–3 Never
9. 13–4 Never