If you're playing against a big club, and score, but someone was in an offside position, they were intefering and it's offside.
If they score, but someone was in an offside position, he's not intefering and it stands as a goal.
Liverpool winning the Europa League has no effect.
We finish 5th or 6th we qualify.
We finish 7th, we need Man Utd to finish 5th or 6th and win the FA Cup.
Yeah, can't see them changing a result that's already happened.
I can see West Ham having to play a game or two behind closed doors at the start of next season though.