Ziegler never played in Serie B, so no he didn't come from there. He played 129 games in Serie A. And yes, Diego move is stupid and I was mad after selling him, but still that kind of moves happen all the time. We also got new players after selling him. Now, getting rid of someone that was signed 2 months ago is something that never happens. Doing it after mercato was closed is something even more rare. Doing it when we have to use Grosso is something beyond stupid. Doing it cause he doesn't fit is just a lame excuse. Grosso or De Ceglie wouldn't fit for anyone but still they will have to play.
This move was stupid and amateurish, nothing can excuse it. I can't believe some people are trying so hard to find anything positive in it.