John Barnes noticed one Liverpool player who seemed very comfortable in Arne Slot’s new system during the 1-0 win over Real Betis. It is a huge summer for a lot of Liverpool players, who have only ever experienced one way of playing since arriving at Anfield, given the fact Jurgen Klopp was at the helm for nine years. In Arne Slot’s 4-2-3-1 shape against Real Betis, however, John Barnes felt one Liverpool player looked very much at ease with the new style… John Barnes praises Curtis JonesThe 60-year-old has been speaking very highly about Curtis Jones on Liverpool’s official YouTube channel. R…