article_snippet: David de Gea, Marouane Fellaini and Luke Shaw
article_snippet: (L-R) could all start against the Gunners at Old Trafford .
article_snippet: Angel di Maria's form has dropped alarmingly after a bright start at Old Trafford following Angel di summer move .
article_snippet: Di Maria (centre) was substituted at half-time during United's 2-0 win at home to Sunderland last month .
article_snippet: Deploying Marouane Fellaini (right) as a makeshift forward has also received negative feedback this term .
highlights_snippet: Star striker Wayne Rooney has been deployed largely in midfield this term .
  
highlights_snippet: Midfielder Marouane Fellaini has been used as a target centre forward too .
  