Benjamin Stambouli (L) of FC Schalke 04 vies with Nils Petersen of SC Freiburg during the German Bundesliga football match between FC Schalke 04 and SC Freiburg at the Veltins-Arena on March 31, 2018 in Gelsenkirchen, Germany. FC Schalke 04 won 2-0. (Xinhua/Joachim Bywaletz)