Vitaly Mutko, Russian sports minister and president of the Russian Football Union, was clear about the instructions given to Russian clubs:
“I think that if anyone wants [to sign a Turkish player] during the upcoming transfer window in the winter break, there will not be such a possibility.
“We don’t need to jump too far ahead, but [the clubs] have already got the message.”
When pressed for further clarification on the subject and whether this was a clear directive by the sports ministry to Russian football teams to avoid signing Turkish players, Mutko replied .... https://www.rt.com