Ray Clemence and Bruce Grobbelaar were sat together at Anfield and it was no stretch to re-imagine the former Liverpool goalkeepers as those old curmudgeons from the Muppet Show, Statler and Waldorf, ripping into the failings of today’s generation. Loris Karius’s teething troubles continued while Darren Randolph reacted to the final whistle by burying his head in a towel. The West Ham United keeper’s despair was understandable but, for his manager, humiliation …