Liverpool are getting ready for their second pre-season outing in the USA this Thursday. The Reds kicked off their pre-season tour with a relatively routine 1-0 win over Real Betis in Pittsburgh. With Liverpool now travelling to Philadelphia, a sell-out crowd is expected for their match against Premier League rivals Arsenal at Lincoln Financial Field. Arne Slot has some decisions to make about his line-up after what he saw against Betis. Liverpool fans were blown away by Trey Nyoni, for example, and it will be interesting to see if he gets a start. With three returning faces since Saturday’s v…