Does anyone know of a site that has stats of refs? I'm thinking of stats with yellow and red cards given to be more specific. I'm confused as to why the number of yellow are so much higher than usually expected for the UEFA cup final (for instance Centrebet usually has 0-2 and 3+ yellow cards whereas it is 0-4 and 5+ for this game!). I know Celtic has a few players that'll put everything into every tackle, and Porto might just respond from what I've seen of them, but if the referee is sensible with giving cards usually then the 0-4 yellow cards (no red card "allowed) could be a good bet at 2,10
