Raffaele Palladino's team are now fourth in Serie A on goal difference ahead of Lazio thanks to a deserved win over champions Inter earned thanks to a brilliant finish from Luca Ranieri and a Moise Kean double, all which came in the second half.
Bove, who is still waiting to see if he will be granted permission to continue his fledgling playing career in Italy, watched from the bench as his teammates delighted fans who two months ago watched in horror as he collapsed early in the game and was then rushed to hospital.
Fiorentina did Napoli a big favour with a superb performance which came even without five new winter transfer window signings who were not allowed to play.
On Monday night Inter will have chance for revenge for a first league defeat since losing the Milan derby in September as they host Fiorentina at the San Siro.