Keep or get rid? I think time to cash in, his heart doesn't seem with the club, he isn't guaranteed a place and his attitude has always been a bit suspect as well from what I can gather - a shame, on his day a world beater but the lure of guaranteed Champions League football doesn't help either.
Get rid. Send him back to Germany where he came from. edit. Oops, didn't realise that this thread was opened in the Man City sub-forum. I saw this thread emerging as a new one on the main page and answered. What have I done?
I don't think there's been anything wrong with his attitude. I'll be gutted if he goes, easily the most exciting player in our squad to watch and his numbers are ridiculous. No doubt, if he hadn't been injured all season we wouldn't have been 25 points behind Liverpool. I'd much rather have another season of watching him and letting him go on a free than cashing in now.