Napoli handed Liverpool their only loss of the season in all competitions when these teams first met in UEFA Champions League action in September. On Wednesday at Anfield, the two clubs settled for a draw.
Dries Mertens scored the lone goal for Napoli, while Dejan Lovren tallied for Liverpool.
After five matchdays, Liverpool remained atop Group E on 10 points, while Napoli sits right behind them in second place with nine points. Neither club's place in the knockout round is secure, with Salzburg looming at seven points ahead of its final group-stage matchup against Liverpool on Dec.