This is true but I still think they should get a new keeper in the summer. Karius has gotten better but his kicking and distribution lacks something and he's still prone to some bad positioning. Robertson though may be the best money they spent in the summer other than Salah, of course (who is certainly the biggest value for money in the entire Prem). He's still young and prone to some fuckups like today against West Ham, but he's nothing like the utter colossal cluster in defense that Moreno is. And Alexander-Arnold on the other side has made Clyne's long-term injury immaterial. He's made a number of naive young player mistakes but what he offers on offense makes up for it most of the time.