Jose Mourinho finally returned to Chelsea yesterday after a tumultuous spell with Real Madrid, signing a 4 year contract back with the club where he felt loved. His challenge now is similar to what it was in 2004, to make Chelsea title contenders once more, after two seasons without a credible challenge. Mourinho will also be seeking to restore his reputation, which has been somewhat dented by his failure to lead Madrid to their tenth Champions League title.

Although he won the Copa Del Rey and the La Liga Title, this fell well short of the expectations of the world’s biggest club for a three year managerial tenure, and Madrid’s demanding fans made their feelings known by booing Mourinho in his last game in charge. Mourinho’s ability to motivate his players has also been called into question after he lost the dressing room at Real Madrid and engaged in...