Jose Mourinho’s return to Portugal is a full-circle moment for a manager who has etched his name into footballing folklore over the past 25 years. His recent appointment by Benfica has inevitably divided opinion. Some people think it is a masterstroke by a club which is desperate to win a record-extending 39th league title. However, many other individuals believe Mourinho is no longer capable of living up to his glittering managerial legacy. That theory is supported by the betting industry.…