By 90min Staff Jose Mourinho has been linked with a shock return to Manchester United just over five years after he was sacked by the Old Trafford club towards the end of 2018. Mourinho is currently out of work after being let go by Roma earlier this month and is seemingly looking for a way back into football. The will appears to come from Mourinho’s side, with the Daily Mail reporting that the 61-year-old is “keen” to take charge at Old Trafford for a second time. The logic conveyed to the newspaper by a friend of Mourinho’s is that he has “unfinished business” at the club given how his first…