Club career
A product of FC Bayern Munich's youth ranks, Hummels signed his first professional contract on 19 December 2006, until 2010. On 19 May 2007, in the season's final match, he played his first league game with the first team, in a 5-2 home routing of 1. FSV Mainz 05.
On January 2008, Hummels joined Borussia Dortmund, initially on loan. During his first full season, he quickly established himself as first-choice, as he often partnered newly signed Neven Subotić (also born in December 1988), but also missed a great part of its final months due to injury. In February 2009, he was fully signed to the club.[1]
International career
Hummels was called by the U21 team for the 2009 European Championship; after playing almost no part whatsoever in the first four matches, he started and performed well in the final, a 4-0 success against England.
Honours
Team
German Cup: Runner-up 2007–08
German League Cup: Runner-up 2006
Country
UEFA European Under-21 Football Championship: 2009