Dries Mertens admits he's still learning to adjust to a new role at Napoli.

Mertens is playing deeper behind summer arrival Victor Osimhen.

He said, “I am still getting used to this role, but I am enjoying myself.

"I like training, the coach asks for a lot from us and we can see our performances improving.

“I am not surprised Osimhen is doing so well, as if you pay that much money for a player, it means he must be pretty good… The truth is, he has the potential to grow a great deal."