The Brazilian, who penned a new contract last season, missed Wednesday night's defeat at Palermo after aggravating a long-time shoulder injury. Dida has struggled for form this season, while his stand-in in Sicily, Zeljko Kalac, did little to impress.
Pressure is now mounting on Milan vice-president Adriano Galliani for not only allowing striker Ricardo Oliveira to leave over the summer, but also failing to strengthen their goalkeeping stocks.