Ben Davies has officially completed his move to Birmingham City – and another Rangers star could be about to follow him out the exit door! The Gers have sanctioned a season-long loan deal which will see the former Liverpool defender join the US-billionaire backed Blues until the end of the season. The hope will be that Ben Davies leaves a big impression on the promotion-chasing League One club and that they stump up for a permanent signing come the end of the campaign. Whilst there’s no mention of a purchase option, Davies’ exit will free up substantial wages in the squad as Philippe Clement r…