On-pitch influence is a term that describes how players and coaches can have a significant impact on their team's performance during matches. In the case of Napoli, their on-pitch influence has been crucial in helping them achieve success this season.

One of the key factors that has contributed to Napoli's success is their ability to create chances from set pieces. This has allowed them to dominate games and take advantage of their opponents' mistakes. The club's defensive midfielders, such as Jorginho and Dries Mertens, have also played a vital role in creating opportunities for their teammates.

Another factor that has helped Napoli is their tactical flexibility. They have shown the ability to adapt their tactics depending on the opposition and the game situation. This has enabled them to find winning combinations and exploit weaknesses in their opponents' defenses.

The on-pitch influence of the likes of Lorenzo Insigne and Kalidou Koulibaly has also been instrumental in helping Napoli win matches. Their leadership and physicality have made them a formidable force on the pitch, and they have been essential in securing important victories for the club.

Overall, Napoli's on-pitch influence has been crucial in helping them achieve success this season. From creating chances from set pieces to adapting their tactics, they have demonstrated a high level of skill and professionalism. With continued improvements and development, it is likely that Napoli will continue to be a force to be reckoned with in Serie A.