"Unfortunately, Themba will be out for maybe around two months," the Portuguese tactician told the media.
"But he will come back stronger, I believe. We are expecting him to come [back] as quickly as possible. Since the moment he got injured, the club made everything and himself to make that time as reduced as possible.
"Let's hope that we can do it as short as possible. Look, all players when they are not 100 per cent are big blows, because we suffer from everybody's problems.
"But he will come back again, and soon he will be on the pitch. We will rise with the others," Cardoso concluded.