Borna Barisic isn’t exactly everyone’s flavour of month heading into what it is (probably) the most important Rangers Celtic clash of the season. The Croatian international left-back, 31, has been an Ibrox stalwart for six years but his time in Govan looks to be coming to an end. Out of contract at the end of the season, and amid heavy murmurs about interest from Turkey, the man who comes and goes, might just be about to do exactly that for one of the final times. The yellow carded Croatian international was subbed off early v Hibs – in what we can only view as a deliberate precaution – and if…