In a thrilling match, Andre Schurrle scored two goals with eight minutes remaining to push Mainz 4-2 over Hamburg, putting the club in the Bundesliga top four.
Gojko Kacar has added to Hamburg's injury woes, limping out of last night's defeat to Borussia Dortmund with ankle ligament damage, making it nine players now missing for them.
With pre-season preparations under way across Europe, FIFA.com takes a look at the comings and goings on the continent as the major league teams build for success.
Hertha Berlin look set to be relegated from the Bundesliga after being held to a 2-2 draw at Eintracht Frankfurt on Sunday, while Dortmund also drew 1-1.
Borussia Moenchengladbach secured their first win of the season when they beat Hertha Berlin 2-1 on goals from Roel Brouwers and Karim Matmour.
Hertha Berlin drew at Hamburg as the Bundesliga title contenders shared the points while leaders Wolfsburg end the weekend three points clear.