Manchester United defender Noussair Mazraoui was forced off through injury in an Africa Cup of Nations qualifier on Tuesday.The right-back picked up the knock in the 69th minute of Morocco’s clash with Lesotho, played in Bloemfontein, South Africa.Noussair Mazraoui was taken off in the second half of Morocco’s AFCON qualifierGettyThe Atlas Lions were 1-0 up at the time of the injury with Mazraoui seen holding his lower back.It came after he slid in to tackle an opposing player that saw him fall to the ground in visible discomfort.His teammates were quick to signal to the bench that the 28-year-old could no longer continue.No further details have been given on the extent of the injury.Manchester United boss Michael Carrick will hope for positive news on the defender after a brutal international break for the club.Man United’s international break injury worriesUnited are in something of an injury crisis with Kobbie Mainoo and Marcus Rashford having pulling out of the England squad at late notice due to knocks picked up in the 1-1 at Fulham.Captain Bruno Fernandes suffered an injury during the first week of the international break with Portugal.He missed the 2-1 win over Norway at the weekend but could return for his country this week.There was further bleak news this week with the news that Patrick Dorgu has returned to the club after suffering a suspected hamstring injury.Dorgu went down off the ball while playing for Denmark against Wales last week.View Tweet: https://t.co/hdihSqMGlWFernandes provided an injury scare for Carrick last weekGettyDorgu left the Denmark squad after picking up an injuryGettyUnited need their big guns fit and firing for the Premier League’s return next month after a disappointing start to the season.The Red Devils have won just one of their five league games this season and are without a win in their last five in all competitions.United’s only victories this term have come in a 5-2 win over Ipswich in the league and a 4-0 thrashing of Azerbaijani outfit FK Sabah in the Champions League.They were dumped out of the Carabao Cup after a 3-2 defeat to Brighton despite having led 2-0 in the tie.Manchester United’s struggles mean they currently sit 12th in the Premier League table with Carrick already under pressure.And it doesn’t get any easier for his underperforming side with Tottenham up next after the international break. Michael Carrick faces a difficult run of fixtures in OctoberGettyAfter that, United take on face Atletico Madrid, Leeds United, Como, Bournemouth and Chelsea.