
Yuya Osako (L) of 1. FC Koeln and Jean-Philippe Gbamin of Mainz fight for the ball during the Bundesliga match in Cologne, Germany, May 20, 2017. Koeln won 2-0. (Xinhua/Ulrich Hufnagel)

Yuya Osako (L) of 1. FC Koeln and Jean-Philippe Gbamin of Mainz fight for the ball during the Bundesliga match in Cologne, Germany, May 20, 2017. Koeln won 2-0. (Xinhua/Ulrich Hufnagel)