Ruben Amorim has said it would be "naive" to think he will be allowed to continue as Manchester United manager if the team's poor results continue. And he accepts that it will be "impossible" for co-owner Sir Jim Ratcliffe to continue to show faith if United's form doesn't turn around soon. "We understand that we need results to continue the project. United will look to extend their unbeaten run against newly promoted teams against Sunderland this weekend. There's been speculation the 40-year-old could quit before he's sacked if the poor results continue, but he says only the club's hierarchy will decide his future.