Raphael Guerreiro (top) of Dortmund vies with Alessandro Schoepf of Schalke 04 during the Bundesliga match between FC Schalke 04 and Borussia Dortmund at Veltins-Arena in Gelsenkirchen, Germany on Dec. 8, 2018. Dortmund won 2-1. (Xinhua/Joachim Bywaletz)