The Belgian forward has thrived under the current boss and is in awe of the playing style he has brought to the Stadio San Paolo
Napoli star Dries Mertens has described Maurizio Sarri's tactical obsession as a 12th man for the Serie A leaders.
The San Paolo club are in pole position in a tightly contested Scudetto race after winning 10 of their opening 12 league games this season.
Napoli's only defeats have come in the Champions League, but Sarri has made clear that domestic glory is at the forefront of the club's ambitions this season.