Jose Mourinho may feel that he has unfinished business at Manchester United but, after leaving Roma following two-and-a-half years at the Italian giants, he might struggle to find many in the Old Trafford boardroom who agree with that assessment. According to reports, Jose Mourinho has ‘made it his mission’ to secure a second spell in charge of the club he led to – at least in terms of silverware – their most successful season in the post-Sir Alex Ferguson era. We’ve been here before, of course; Mourinho lurking in the shadows as an embattled Dutchman fights for his future in the Manchester Un…