By Matthew Cooper Jose Mourinho refused to publicly criticise Manchester United after he was sacked following more than two years in charge, with his comments from that time speaking volumes now. Mourinho won the Europa League and League Cup while at United and famously claimed their second-place Premier League finish in 2018 was “one of his best achievements” amid clashes with then Executive Vice Chairman Ed Woodward. However, the Daily Mail are now reporting that Mourinho wants to make a sensational return to Old Trafford as he believes he has ‘unfinished business’. The report claims that he…