AC Milan manager Stefano Pioli believes Serie A champions Napoli will be a difficult opponent for his side despite tVictor Osimhen’s absence. Osimhen is currently sidelined with a thigh injury and is not expected to return to action until next month. The Partenopei has won their last two games despite the Nigeria international’s absence. Read Also:EPL: Onyeka Subbed On As Brentford Edge Chelsea…