Lazio's Ederson will miss the rest of the season after tests revealed he will need surgery to repair a thigh injury.
Brazilian midfielder Ederson has joined Lazio from Lyon on a free transfer.
Lazio are in "pole position" to sign Lyon midfielder Ederson, according to the Brazilian's agent Antonio Caliendo.
The agent of Ederson claims Lazio have stepped up their interest in his client, with no contract extension having been agreed with Lyon.
Ederson's agent feels the Lyon midfielder is being ostracised by manager Remi Garde because of his contract situation.
Brazilian midfielder Ederson admits he is edging towards the exits at Lyon, with a frustrating spell on the bench forcing him to weigh up his options.
Lyon playmaker Ederson is confident talks regarding an extension to his current contract will reach a positive conclusion.
Lyon could be forced back into the transfer market after seeing Ederson ruled out for several months.
Ederson's agent has invited AC Milan to step up their interest in the Lyon midfielder.
Lyon have secured the signing of Nice midfielder Ederson for a fee in the region of €15million (£11million).
Juventus defender Jean-Alain Boumsong expects to sign for Lyon in the next few days.
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