Gelson Fernandes of Eintracht Frankfurt and Mahmoud Dahoud of Borussia Dortmund fight for the ball during the Bundesliga match between Borussia Dortmund and Eintracht Frankfurt at Signal Iduna Park in Dortmund, Germany, on Sept. 14, 2018. Dortmund won 3-1. (Xinhua/Joachim Bywaletz)