Bayern Munich go for seventh successive win at Mainz

GUANGZHOU, CHINA - JULY 23: Robert Lewandowski of Muenchen reacts during the international friendly match between FC Guangzhou Evergrande Taobao FC and FC Bayern Muenchen of the Volkswagen Cup Guangzhou at Tianhe Stadium on July 23, 2015 in Guangzhou, China. (Photo by Alexander Hassenstein/Bongarts/Getty Images) GELSENKIRCHEN, GERMANY - SEPTEMBER 13: Yunus Malli of Mainz runs with the ball during the Bundesliga match between FC Schalke 04 and 1. FSV Mainz 05 at Veltins-Arena on September 13, 2015 in Gelsenkirchen, Germany. (Photo by Mika Volkmann/Bongarts/Getty Images)