The then-20-year-old had big boots to fill, yet he surpassed all expectations for the Bundesliga club.
World Cup 2010 is where Ozil really made his name—becoming one of the standout players of the tournament, he signed for Real Madrid soon after.
Flash forward to 2013 and Ozil is considered to be one of the best creative midfielders in the modern game. He is a true No. 10 who, at 24, still has years ahead of him.
The German international showed patches of inconsistency last season. He got off to a slow start and soon found himself in and out of Jose Mourinho's starting XI.
The second half of the season saw things improve (on the pitch, at least) and Ozil ended up creating the most clear-cut chances of any player in Europe's top five leagues.
With a new manager and a World Cup on the horizon, there are plenty of reasons to suggest that Ozil could be in for a stellar season with Real Madrid.
Read on to find out why!