Rangers won’t be signing left back Kai Wagner this month as he has decided to sign a new contract with Philadelphia Union. Rangers look to be in the market for a new left back, potentially this mont but at the very latest in the summer. Borna Barisic is out of contract in the summer and Ridvan Yilmaz hasn’t lived up to expectations at Ibrox. Rangers may therefore look to bring in a new first-choice left back to bolster Philippe Clement’s squad – but one option can now be ruled out. Kai Wagner won’t be signing for RangersReports ahead of the January transfer window suggested that Rangers were i…