Bundesliga strugglers Borussia Dortmund have agreed to sign Slovenia international Kevin Kampl in January.
Cardiff have agreed to sell Norwegian midfielder Mats Daehli to Freiburg in January.
France international Franck Ribery has said he would he happy to extend his contract with Bundesliga champions Bayern Munich.
Ribery, 30, has been with the Bavarian outift since 2007 and is under contract until the summer of 2015.
The French winger has been an integral part of Jupp Heynckes' side, helping Bayern Munich reach the UEFA Champions League final and win the Bundesliga title.
Speaking to kicker-Sportmagazin, Ribery said: "I am very happy being at this club.
"If there is a possibility to sign a new contract with a club like Bayern Munich, why should I not agree to something like that?"
With new coach Pep Guardiola taking over next season, Ribery could see out his career in Germany if he pens an extension.