try to change his position to another side and try play them with other players.
for example: you have 3 players MC (A,B,C) and when you try A & B, A have bad rating so try B & A or A & C...
i had the same problem and now i dont have...
sometimes i give blue arrow on MC and he get rating 8, the next match without arrow and he get 5...
so try everything what you can and good luck![]()