
Yuya Osako (R) of 1. FC Koeln and Fabian Frei of FSV Mainz 05 vie for the ball during the Bundesliga match in Cologne, Germany, May 20, 2017. Koeln won 2-0. (Xinhua/Ulrich Hufnagel)

Yuya Osako (R) of 1. FC Koeln and Fabian Frei of FSV Mainz 05 vie for the ball during the Bundesliga match in Cologne, Germany, May 20, 2017. Koeln won 2-0. (Xinhua/Ulrich Hufnagel)