While the possible introduction of Arthur will only benefit Liverpool on the progressive front, Klopp's attackers have struggled to convince early doors and must now attempt what no Liverpool team has done before - score an away goal against Napoli.
Spalletti's side are far from watertight at the back following the sale of Kalidou Koulibaly, but the Serie A leaders can feel confident about winning the midfield battle this week, and we have faith in the Partenopei to extend their unbeaten Champions League home run at the expense of Liverpool's golden away streak.
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Data Analysis
Our analysis of all available data, including recent performances and player stats up until an hour before kickoff, suggested the most likely outcome of this match was a Liverpool win with a probability of 52.06%. A win for Napoli had a probability of 24.33% and a draw had a probability of 23.6%.
The most likely scoreline for a Liverpool win was 0-1 with a probability of 9.95%. The next most likely scorelines for that outcome were 1-2 (9.72%) and 0-2 (8.69%). The likeliest Napoli win was 1-0 (6.38%), while for a drawn scoreline it was 1-1 (11.13%). The actual scoreline of 4-1 was predicted with a 0.6% likelihood. Our team at Sports Mole correctly predicted that Napoli would win this match.