Liverpool are likely to be very active in the transfer market once they return to England next week. The Reds have been enjoying a productive visit to the United States over the past 10 days or so, picking up two wins in two games. The matches against Real Betis and Arsenal gave Arne Slot a chance to assess all of the travelling Liverpool squad. Given that plenty of the first-team have either been arriving late or are still on holiday, the group was made up of a big number of players from the Liverpool academy. Some of those have impressed immeasurably out in the US. Fans loved Trey Nyoni’s pe…