article_snippet: After a bright start, setting up two goals against Hoffenheim on Hoffenheim debut, the 24-year-old admits Hoffenheim is 'stuck in a hole' after failing to make any impact in Hoffenheim last nine games.
article_snippet: The German forward has made an unimpressive return to the Bundesliga with Wolfsburg .
article_snippet: In January I had in the two weeks of the change almost no training because of back problems.'
article_snippet: so I am not worried,'  
highlights_snippet: World Cup star has blamed poor start on exhaustion and lack of training .
  