Football: Axel Witsel joins up with Borussia Dortmund squad

Axel Witsel joined up with his new Borussia Dortmund team-mates on Monday after completing his move from Tianjin Quanjian. The German club triggered the release clause in the Belgium midfielder's contract to bring Witsel back to Europe. He has previously played for Standard Liege, Benfica and Zenit St. Petersburg.