Napoli blasted four goals in a devastating 20-minute first half spell as they thumped Atalanta 4-1 in Serie A on Saturday, handing the visitors a taste of their own medicine.

Free-scoring Atalanta, last season’s top-scorers with 98 goals, had netted 13 goals in winning their first three games but had no answer to Napoli’s attacks in an extraordinary first half.

Mexican forward Hirving Lozano, out of favour with coach Gennaro Gattuso last season, set Napoli on their way with two goals in four minutes. Matteo Politano fired in the third on the half-hour and Victor Osimhen scored the fourth before the interval.

Napoli goalkeeper David Ospina’s kick upfield was misjudged by Cristian Romero and Osimhen, signed from Lille in the summer, chested the ball down and scored.