I think we are going to see surprise with Xavi, and he wont sign up for Chelsea that shows lowest odds.
There was rumors he could sign for Bayern Munich, but there was no official confirmations about that.
He should sign for club that offers him the best deal.
Looking at the odds, Arsenal is the most ambitious team after Chelsea, but I don't think he will go there. Arsenal doesn't need a player of that profile anyway. I think his chances of going to Bayern are much higher than Arsenal. Of course Leipzig wouldn't want to lose such a player to a rival from the same league. Chelsea still seems to be the first and closest option. For 1.45 odds I can understand those who don't want to take this risk but I don't see a big surprise here. I think he'll end up signing for Chelsea.