TOPSHOT – Dortmund’s Gabonese striker Pierre-Emerick Aubameyang (C) wears a mask as he celebrates with his teammates Dortmund’s after scoring the 0-1 during the German first division Bundesliga football match between FC Schalke 04 and Borussia Dortmund in Gelsenkirchen, western Germany, on April 1, 2017. / AFP PHOTO / PATRIK STOLLARZ / RESTRICTIONS: DURING MATCH TIME: DFL RULES TO LIMIT THE ONLINE USAGE TO 15 PICTURES PER MATCH AND FORBID IMAGE SEQUENCES TO SIMULATE VIDEO. == RESTRICTED TO EDITORIAL USE == FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050Football Soccer – Schalke 04 v Borussia Dortmund – German Bundesliga – Veltins Arena, Gelsenkirchen, Germany – 1/04/17 – Borussia Dortmund’s Pierre-Emerick Aubameyang celebrates with his teammates after scoring a goal. REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY DFL RULES TO LIMIT THE ONLINE USAGE DURING MATCH TIME TO 15 PICTURES PER GAME. IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED AT ANY TIME. FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050.Dortmund’s Gabonese striker Pierre-Emerick Aubameyang (L) wears a mask as he celebrates with his teammate Dortmund’s Japanese midfielder Shinji Kagawa after scoring the 0-1 during the German first division Bundesliga football match between FC Schalke 04 and Borussia Dortmund in Gelsenkirchen, western Germany, on April 1, 2017. / AFP PHOTO / PATRIK STOLLARZ / RESTRICTIONS: DURING MATCH TIME: DFL RULES TO LIMIT THE ONLINE USAGE TO 15 PICTURES PER MATCH AND FORBID IMAGE SEQUENCES TO SIMULATE VIDEO. == RESTRICTED TO EDITORIAL USE == FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050