Liverpool are in real danger of falling behind their rivals next season given their lack of action in the summer transfer window. Arne Slot is yet to sign any players ahead of the new campaign, with many of Liverpool’s rivals making major signings. The Reds finished third in the Premier League last time out, behind champions Manchester City and Arsenal. Pep Guardiola and Mikel Arteta have been busy this summer, but Slot is using the current pre-season tour of the USA to assess his squad. The Dutchman has already enjoyed success on the pitch with the Reds, with Liverpool beating Real Betis 1-0 …