Ghana's workaholic winger Wakaso Mubarak is now having question marks surrounding form at Russian side Rubin Kazan as he is gradually falling out of favour at the club.
In Thursday night's Uefa Europa League, the 23-year-old was conspicuously missing from the Kazan team as they recorded a 2-0 away win Zulte-Waregem.
Many criticised the former AshGold player's decision when he resolved to quit Spanish side Espanyol to Russia.
Thursday's Europa League no-show is not only the concern as he also failed to make the first team grades for their game over the weekend against Lokomotiv Moscow.
Has also failed to appear in the club's last five games in all competitions.
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