Manchester United are reported to have ruled out approaching Andoni Iraola when it comes to appointing a new permanent manager to replace Ruben Amorim. That decision only further strengthens current interim Michael Carrick’s chance of getting the job. United have deliberately delayed a decision on who will lead the team next season and beyond, refusing to rush into handing out a permanent contract while matches were ongoing. But Carrick’s impact since returning to Old Trafford in January, securing Champions League qualification with three games to spare, had made the 44-year-old Englishman the candidate to beat. Iraola, available this summer after opting to leave Bournemouth, had emerged as the only alternative in the search so far that was being given any credence.…