There probably have been Premier League games that were fixed, but I'd expect it to have been relatively low key ones where one side's got nothing to play for.
The most obviously fixed match of recent years was overseen by a Premier League official, but I doubt he had anything to do with it, despite my dislike for him.
Lyon's six goals in half an hour against Dinamo Zagreb was just blatant. They'd only managed two goals in the five other group games.
Ajax lost 3-0 to Madrid in the other relevant tie in the group and the Dutch side had two goals chalked off.
The French side went through, Platini decided that was ok and Mark Clattenburg was none the wiser on the night, despite some obvious antics that he might have spotted.
[video=youtube;hS-ouhy8yqQ]http://www.youtube.com/watch?v=hS-ouhy8yqQ[/video]