Should i accept this trade?

It's a pretty fair trade, and I might consider taking it. I don't like to be giving up the best player in a trade, which Utley is, but Polanco is a decent replacement, and Guillen is an upgrade over Theriot, and Dunn will make up for the power of Utley, even though the average will hurt a little. You could still have the steals of Taveras as a UTIL guy, and you would have Theriot and Lowell as decent alternatives for the other UTIL spot if Delagdo comes back down to earth. It would be hard to hit the accept on because I like Utley and Glaus has been mashing, but with upgrades at 2 skill positions, it might be worth it for you.