Rangers watched on as Owen Beck made an immediate impact upon his return to the Dundee side on Tuesday night. Rangers have been linked with left back after left back this month and it’s starting to look like the January window will end without an arrival there. A deal to sign Fluminense left back Jefte has collapsed with loan club APOEL unwilling to let him go. The Brazilian may still arrive in the summer but Rangers must now consider whether to strike a late move for somebody else or wait for Jefte. Borna Barisic and Ridvan Yilmaz don’t appear to be going anywhere this month and Rangers may w…