Al Duhail coach Rui Faria has confirmed Medhi Benatia suffered a 'bad injury' in their 1-1 draw against Al Sadd.
After representing Morocco at the 2019 Africa Cup of Nations in Egypt, Benatia's return to Qatar was short-lived by a knock at Abdullah bin Khalifa Stadium on Tuesday.
He picked up an injury in the 15th minute of the AFC Champions League clash which delayed the game slightly and he was replaced by Bassam Al Rawi three minutes later.
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During the encounter, Tunisia's Youssef Msakni cancelled out Akram Afif's opener for Al Sadd as both teams settled to share the spoils in the first leg of their Round of 16 fixture.