An option that has only just presented itself.
The Real Madrid midfielder is looking for a move, albeit probably a loan one to ensure that he gets some playing time.
United could offer him that, and potentially even look to make the move permanent – but at the minute, they have to take what they can get.
Illarra is young, has pots of energy and a massive need to prove himself after seeing his career take a bit of a dive since joining Real Madrid.