Liverpool’s pursuit of Martin Zubimendi seems to be approaching its climax as they aim to press ahead with a £51m deal for the midfielder. Arne Slot believes Zubimendi would bring more control to Liverpool’s midfield, with the Reds currently lacking an out-and-out number six. The 25-year-old featured in Real Sociedad’s pre-season friendly against Union Berlin yesterday, but the ball is firmly in his court as he decides between staying at his boyhood club and moving on to greener pastures. Fabrizio Romano says Liverpool are working to agree personal terms with Zubimendi, while Real Sociedad, on…