Manchester United star Noussair Mazraoui has undergone a procedure after experiencing heart palpitations, in another blow to Erik ten Hag.The Morocco international joined the fallen giants from Bayern Munich back in the summer transfer window.He has since established himself a key player for Ten Hag, with the defender normally starting at right-back with Diogo Dalot shunted to the left.Mazraoui recently withdrew from the Morocco squad after being substituted at half time during United’s goalless draw with Aston Villa on Sunday. Manchester United star Noussair Mazraoui has undergone a procedure after experiencing heart palpatations, in another blow to Erik ten HagGETTYIt has now emerged that the former Ajax defender has been experiencing heart palpitations.The United star has undergone what is being described as a ‘minor procedure’, with the surgery a success.But the Red Devils will still have to cope without Mazraoui for the foreseeable future.It has been a nightmare season for United so far, with the club picking up just eight points from their first seven Premier League matches. JUST IN: Wimbledon champion gets married to fan who asked her for a selfie