Lambert: Transfers key for Celtic, Postecoglou must win

Ange Postecoglou must bring instant success to Celtic and will not be given time to settle, according to Paul Lambert, who also believes the transfer window will be "massive" for his former club.

Lambert: Transfers key for Celtic, Postecoglou must win
Ange Postecoglou must bring instant success to Celtic and will not be given time to settle, according to Paul Lambert, who also believes the transfer window will be "massive" for his former club.