Liverpool captain Virgil van Dijk endured a frustrating international break, but several Anfield players did impress for their nations. Trent Alexander-Arnold shone for England, while Luis Diaz really impressed for Colombia, which will have delighted Liverpool manager Arne Slot. The Anfield boss will now be grateful that his players are back on Merseyside, with a key period now getting underway. Liverpool will play seven matches within 20 days, with the club involved in Premier League, Champions League and League Cup action. Slot has thus far passed the test after replacing Jurgen Klopp, but f…