Reports have been circulating suggesting that Charlton may make a move for released Wolves defender Christophe Berra and this has had a generally positive response from the Addickted.
However, it is unlikely to happen. The Wolverhampton paper is suggesting that he would prefer to move to the Premier League. That may not be possible, but a move back to his native heath at Rangers does seem more likely: Rangers
More about him here: Berra