There are reports Mattia De Sciglio could be out for six weeks, while Cristian Zapata is sidelined for a month.
Milan beat Sassuolo 2-1 to reach the Coppa Italia quarter-finals on Tuesday, but paid a heavy price for that game.
The club released a statement confirming Zapata has fractured a metatarsal in his foot and is expected to be out of action for a month.
Now Sky Sport Italia are reporting that De Sciglio has been diagnosed with plantar fasciitis.
There are reports Mattia De Sciglio could be out for six weeks, while Cristian Zapata is sidelined for a month.
Milan beat Sassuolo 2-1 to reach the Coppa Italia quarter-finals on Tuesday, but paid a heavy price for that game.
The club released a statement confirming Zapata has fractured a metatarsal in his foot and is expected to be out of action for a month.
Now Sky Sport Italia are reporting that De Sciglio has been diagnosed with plantar fasciitis.
It would be a recurrence of an old condition and therefore keep him on the treatment table for around 40 days.
Still only 22, versatile full-back De Sciglio has suffered a series of injury problems during his brief career.