put him out of his misery and sell him, Ranieri probably didn't handle him well but the mistake is Tuago's. He is a good player but we play 4-4-2 now and that doesn't suit him, the club should have helped him with his adaptation.
There is no point now continuing with him, all confidence is gone. Let him move on and get us another player. It's a shame because I've always liked him, I think this is the fault of all paries involved.