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GELSENKIRCHEN, GERMANY - MAY 13: Dennis Diekmeier (L) of Hamburg and Sead Kolasinac (R) of Schalke fight for the ball during the Bundesliga match between FC Schalke 04 and Hamburger SV at Veltins-Arena on May 13, 2017 in Gelsenkirchen, Germany. (Photo by Lukas Schulze/Bongarts/Getty Images)

GELSENKIRCHEN, GERMANY - MAY 13: Dennis Diekmeier (L) of Hamburg and Sead Kolasinac (R) of Schalke fight for the ball during the Bundesliga match between FC Schalke 04 and Hamburger SV at Veltins-Arena on May 13, 2017 in Gelsenkirchen, Germany. (Photo by Lukas Schulze/Bongarts/Getty Images)