He opens scoring for Stuttgart in 3 - 0 win over Schalke . Stuttgart also open their season 's account with 3 - 0 win at Cologne . Last season 's fourth - placed side , Hanover 96 beat Hoffenheim 2 - 1 . Bayern Munich and Bayer 04 kick off their title challenge on Sunday .
Cacau opens scoring for Stuttgart in 3-0 win over Schalke . Wolfsburg also open their season 's account with 3-0 victory at Cologne . Last season 's fourth-placed side , Hanover 96 beat Hoffenheim 2-1 . Bayern Munich and Bayer Leverkusen kick off their title challenge on Sunday .