It’s fair to say that it has been a tough couple of months for Ryan Gravenberch at Liverpool. After arriving from Bayern Munich on deadline day, the 21-year-old has had to learn on the job in the Reds’ midfield. There were some really promising early displays, but he’s found it difficult of late. This downward spiral culminated in a disappointing showing from the start against Arsenal two weeks ago. Having been trusted on the right of Liverpool’s midfield, cameras caught Jurgen Klopp going berserk at Gravenberch following Bukayo Saka’s opening goal. Before that, there had already been trouble …