Giordano believes the Parthenopeans should have paid less for the services of the Super Eagles forward and highlighted some of the criteria to determine transfer fees.
"The price of an attacker depends on the market and the demands the player has," Giordano told La Gazzetta dello Sport, as per Spazionapoli.
"I don't know if the Nigerian is worth so much: I know that Haaland at Borussia cost less and so it is logical that the square should question itself given the high expectations surrounding Victor, who is only 22 years old".
Osimhen has struggled to justify the big-money move due to injury, suspension and coronavirus related problems.