Hakim Ziyech will be out of action for the "coming weeks" after it was confirmed by Ajax Amsterdam that he has suffered a tear in his calf muscle.
The Morocco International lasted 59 minutes during Sunday's 2-1 Eredivisie victory over Sparta Rotterdam and was replaced by Jurgen Ekkelenkamp.
The injury means he could miss the Last 32 Round Europa League game against Getafe. He will definitely be out of the club's important league matches before then.
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Head coach Erik ten Hag revealed the following to Ajax's official website.