Has there ever been a 8–0 in MLS?

Never.

It would be a scorigami. Based on the average number of goals in MLS, the chance of a game ending 8–0 is about 1 in 9,710.

Nearby scores

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