Having successfully switched to a new formation against Rangers last week, Jurgen Klopp's fortunes turned at Arsenal on Sunday.
Something of a new-look 442 allowed the Liverpool manager the luxury of squeezing an extra attacker into the lineup for the first-ever competitive meeting with the Scottish side last week.
What followed was one of the more positive performances of the campaign as they ran out 2-0 winners in Champions League Group A. Sunday's visit to the Emirates, however, was always going to be more indicative of whether or not this was a system that could be used to help stabilise a team in flux.
