Manchester United legend Roy Keane has took a dig at former and legendary manager Alex Ferguson, accusing him of hanging around like a bad smell at the club. Days after United parted ways with head coach Ruben Amorim, Keane questioned whether Ferguson and former chief executive David Gill were still making the decisions with regards to the club. Since Ferguson vacated the hot seat at the conclusion of the 2012/13 season, United have had six different managers and four interim managers with Amorim being the latest one to get sacked middle of the season. Speaking on Sky Sports, Keane wondered why the club appointed managers and changing them a year later saying: “he is not the guy for us.” After Amorim quit mid-way through the season, Darren Fletcher has been appointed as the care-taker manager. “What happens in these job interviews? I’m intrigued. Why do they keep giving certain people a job? What happens in the interview that they sit there and go, and 12, 14 months later, ‘He’s not the guy for us’. Do …