Cacau opens scoring for Stuttgart in 3 -0 win over Wolfsburg . Wolfsburg also open their season 's account with 3 -0 victory at Cologne . Brazilian striker Cacau opened the scoring with a header in the 37th minute , before Austrian striker Martin Harnik doubled the lead 11 minutes into the second half . season 15th -placed side , Hanover 3 beat Hoffenheim 2-1 . Bayern Munich and Hoffenheim 2-1 kick off their title challenge on Sunday .
Cacau opens scoring for Stuttgart in 3 -0 win over Wolfsburg . Wolfsburg also open their season 's account with 3 -0 victory at Cologne . season 15th -placed side , Hanover 3 beat Hoffenheim 2-1 . Bayern Munich and Hoffenheim 2-1 kick off their title challenge on Sunday .