Being available at €110m (£94m) if his release clause is met means Osimhen is set to be one of the sought after forwards in Europe, especially if his recent uptick in form continues.
After playing a pivotal role in firing Napoli to their first Scudetto in over 30 years last season, Osimhen has become a figure of constant interest regarding a potential move away from Serie A.
Scoring 26 league goals won Osimhen the accolade of Serie A Forward of the Season, while his attacking partner Khvicha Kvaratskhelia won the league's MVP award.
Across all competitions, the Nigerian has scored just 13 so far, but recent weeks suggest that, under new management, Osimhen could add to that tally significantly before May.
After netting a crucial equaliser in their Champions League last 16 first leg against Barcelona, Osimhen also found the net against Cagliari, before scoring a hat trick away to Sassuolo.
While the reigns of Rudi Garcia and Walter Mazzarri proved disastrous for the champions, and saw Osimhen struggle on top of injury concerns, Francesco Calzona has come in and got Napoli winning again.
Fine form brings much attention though, and the Independent claim that Man United are one of the favourites to land the 25-year-old come the summer.
Paris Saint-Germain are also said to be interested, considering that Kylian Mbappe is set to leave for Real Madrid.
The two previous transfer windows saw Chelsea and Arsenal also heavily linked with the player, but the situations at both Man United and PSG have strengthened their ambitions to bring a new number nine in as soon as possible.
Sir Jim Ratcliffe's takeover of the
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