Dortmund's Gabonese striker Pierre-Emerick Aubameyang (L) celebrates after scoring 1-0 during the German first division Bundesliga football match FSV Mainz 05 vs Borussia Dortmund in Mainz on November 30, 2013. AFP PHOTO / DANIEL ROLAND RESTRICTIONS - DFL RULES TO LIMIT THE ONLINE USAGE DURING MATCH TIME TO 15 PICTURES PER MATCH. FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050 (Photo credit should read DANIEL ROLAND/AFP/Getty Images)