Liverpool and Chelsea have earned away wins in the Champions League on Wednesday night.
Jurgen Klopp's side beat Belgian champions KRC Genk 4-1 at the Luminus Arena.
Genk had chance to trouble Liverpool but a goal in each half from Alex Oxlade-Chamberlain had the visitors in control.
Sadio Mane made sure of the result when he swept in a third after a build-up involving all of Liverpool's fabled front-three.
And Mo Salah marked his return to the team with the fourth on 86 minutes. Stephen Odey also netted a late consolation for Genk.
However, Napoli stay top of Group E after beating RB Salzburg 3-2 in Austria. The Italian side are top on seven points, with Liverpool one behind.
Chelsea
Meanwhile, Chelsea rode their luck somewhat in Amsterdam. But they managed to came away with a 1-0 win against Ajax.
Michy Batshuayi scored four minutes from time to give Frank Lampard's side a narrow victory, while Ajax had a goal ruled out for offside in the first-half.
Chelsea subsequently leapfrog Ajax in Group H on head-to-head results, although they are both level on six points.
Valencia's 1-1 draw at Lille leaves the La Liga side fourth, two points adrift.
Elsewhere, Barcelona won 2-1 at Slavia Prague in Group F, while Inter Milan beat Borussia Dortmund 2-0 at the San Siro.
In Group G, RB Leipzig edged Zenit St Petersburg 2-1 in Germany and Benfica picked up their first win at home to Lyon in a 2-1 scoreline.
Ex-Crystal Palace and Ireland defender Damien Delaney was in studio for tonight's Champions League coverage. You can watch Delaney's thoughts on the Top 4 Footballers of all-time in full below on the Football Show: