Jurgen Klopp saluted “role model” James Milner after Liverpool maintained their quadruple challenge with a 1-0 Premier League victory at Newcastle.The 36-year-old former Magpie, who made his senior debut for Leeds almost 20 years ago, was one of five men drafted into Klopp’s much-changed starting line-up for a vital league game sandwiched between the two legs of the Champions League semi-final clash with Villarreal, and turned in a fine individual display.Asked if he had come across a fitter 36-year-old, Klopp said with a smile: “No, but it would be interesting to look at Luka Modric. Is he not 36 as...