Napoli 2-4 Manchester City: Sergio Aguero becomes all-time record scorer as Pep Guardiola's side progress into Champions League knock-out stages Lorenzo Insigne put Napoli ahead after 20 minutes as the home side cut through the Manchester City defence Nicolas Otamendi equalised before the break before John Stones headed City in front in the second half Leroy Sane felled Raul Albiol in the box to allow Jorginho to square the contest again from the spot Sergio Aguero broke City's all-time goalscoring record when he finished a counter-attack to make it 3-2 The result was secured when Raheem Sterling struck late in injury time, slamming past Pepe Reina