Many who buy and sell them also are collectors. Below are examples of some of the most valuable Hummels to sell on eBay right ...

but it does seem like an odd move at face value. Hummels has represented either Bayern or Dortmund for his entire career, yet all of a sudden he is moving to Italy. Still, AS Roma is a big club ...

Roma defender Mats Hummels released an interview to Il Messaggero ... I am convinced that if we succeed we can still finish above them,” he added.