Cologne's players celebrate the 1-0 goal scored by Cologne's midfielder Marcel Risse during the German first division Bundesliga football match of FC Cologne vs FC Schalke 04 in Cologne, western Germany on May 10, 2015. AFP PHOTO / SASCHA SCHUERMANN RESTRICTIONS - DFL RULES TO LIMIT THE ONLINE USAGE DURING MATCH TIME TO 15 PICTURES PER MATCH. IMAGE SEQUENCES TO SIMULATE VIDEO IS NOT ALLOWED AT ANY TIME. FOR FURTHER QUERIES PLEASE CONTACT DFL DIRECTLY AT + 49 69 650050.