Shakhtar Donetsk's Ukrainian defender Bohdan Butko (C) takes part in a training session at the training base camp in the outskirts of Kiev, on December 11, 2018, in the eve of the UEFA Champions League, Group F football match between FC Shakhtar Donetsk and Olympique Lyonnais at the NSK Olimpiyskyi stadium in Kiev. (Photo by GENYA SAVILOV / AFP)