Last year I started a mostly tongue-in-cheek system for predicting MLS matches, looking at how each team has done in the past with who is going to be the lead ref.
Saturday night, longtime MLS referee Michael Kennedy will blow the whistle in the Dynamo/Revolution game. This is potentially bad news for the Revs. Kennedy (who you'd think would be biased in favor of Boston with a name like that) has quite a history with the Revs. They are 9-14-5 in their 28 games with him as the lead ref. That's 14 losses in 28 games!! On top of that, he has dished out five reds and awarded nine penalties over that span, with an average of 3.6 yellows per game.
Dynamo, on the other hand, is 1-0-1 in games with Kennedy. Trouble spots, though, are the two reds and 10 yellows he has given out in those games. No penalties though.
So I'd have to say, this looks to be a slight edge for Dynamo.
I know, I know, it's a flawed system and certainly not airtight. But still, an interesting angle.