Erling Haaland made Champions League history as Salzburg earned a 1-1 Champions League draw away at Napoli on Tuesday.
Napoli gave another erratic performance as they hit the woodwork twice, wasted a hatful of chances and looked shaky at the back.
Haaland continued his prolific season by putting the Austrian champions ahead from a penalty.
The goal was his seventh of the competition and the 19-year-old now has the most of any teenager in a single Champions League season, beating the previous record of six held jointly by Raul and Kylian Mbappe.
Hirving Lozano equalised with a superb strike one minute before half-time but, despite carving out more openings in the second half, Carlo Ancelotti's side missed their chance to book a knockout-stage place with two games to spare.
Napoli, who had 30 shots on goal but only three on target, dropped to second in the group with eight points, one below Liverpool, while Salzburg are third with four despite being the group's topscorers with 12 goals.
Both sides missed early chances before Napoli defender Kalidou Koulibaly gave away a penalty with a clumsy tackle on Hwang Hee-chan and 19-year-old Norwegian Haaland continued his remarkable scoring run from the spot in the 11th minute.
Napoli, winless in four games, continue to misfire in attack.
Napoli finally levelled with their 16th attempt on goal. Insigne slipped the ball inside to Lozano who was surrounded by Salzburg defenders but the Mexican still managed to score with a snooker-like shot from the edge of the area which found a tiny gap between Carlos Coronel and his near post.
The pressure continued in the second half as Lozano flashed a shot over the bar and there was a lucky escape for Coronel when Insigne caught him napping with a 30-metre lob which struck the crossbar, hit the goalkeeper's head and went out for a corner.
Insigne sent another effort wide after a clearance was sent straight to his feet and Fernando Llorente headed wide from a corner, leaving Ancelotti with plenty to ponder.