A bizarre love triangle is forming between Sky, Liberty Global and a newly formed subsidiary called Liberty Fibre, with the three firms establishing a fiber network collaboration which could see Sky swap its current wholesale partner Openreach for Virgin Media. Openreach’s grip on the UK market is waning, but is there scope for a Sky-Liberty fiber foray elsewhere in Europe? With Liberty Global’s European cable TV exodus in full swing, following the sale of assets to Vodafone including Unitymedia in Germany along with UPC in Hungary and Czech Republic, getting hard and fast into fiber is looking increasingly like a field Liberty wants to reinvest these proceeds. While for Sky, the collaboration is an opportunity to funnel its Comcast-backed OTT…