Luciano Spalletti's squad were involved in a morning training session at the SSCN Konami Training Centre.
Following the week of international fixtures Serie A will be back underway this weekend, with Napoli taking on Torino at 15:00 on 1 October at the Maradona, in Serie A Matchday 8.
Piotr Zielinski and Stanislav Lobotka were back from international duty and carried out fitness work.
The squad carried out a warm-up in the gym before fitness drills outside. The session ended with tactical drills and a small-sided game. Matteo Politano followed a custom schedule while Victor Osimhen spent the day in the gym and receiving treatment.