Napoli right-back Camilo Zuniga will be sidelined until the new year after undergoing a knee operation.
Argentine striker Cristian Chavez has flown in to Napoli to undergo a medical and complete his move to the Serie A side.
Napoli's president says he has offered Man Utd one million euros to play his side in a friendly game.
Lyon have denied lodging a big-money bid for Bologna's highly-rated defender Miguel Britos.
Bologna grabbed a dramatic late winning goal thanks to Marco Di Vaio to deny Chievo a point in Serie A.
The agent of Napoli defender Matteo Contini has played down talk of a move to Bologna.