Omer Toprak (R) of Dortmund vies with Hwang Hee-chan of Salzburg during the UEFA Europa League round of 16 first leg match between Germany's Borussia Dortmund and Austria's FC Red Bull Salzburg at the Signal Iduna Park in Dortmund, Germany, on March 8, 2018. FC Red Bull Salzburg won 2-1. (Xinhua/Joachim Bywaletz)