ALTACH, AUSTRIA - AUGUST 05: Andre Schuerrle of Dortmund in action during the friendly match between AFC Sunderland v Borussia Dortmund at Cashpoint Arena on August 5, 2016 in Altach, Austria. (Photo by Deniz Calagan/Getty Images)
ALTACH, AUSTRIA - AUGUST 05: Andre Schuerrle of Dortmund in action during the friendly match between AFC Sunderland v Borussia Dortmund at Cashpoint Arena on August 5, 2016 in Altach, Austria. (Photo by Deniz Calagan/Getty Images)