Enzo Maresca, then. From assistant under Pep Guardiola at Man City to winning the Championship with Leicester and soon to be at Stamford Bridge.
What can Chelsea fans expect from their exciting, if inexperienced, new boss when he arrives? What will change and where might he need to strengthen?
Maresca's priority when he joined Leicester was to sign young Denmark goalkeeper Mads Hermansen. Maresca's teams, like his mentor Guardiola's, need a goalkeeper who can pass. A lot.
When Maresca's teams have the ball, the full-back tucks into midfield, the centre-back shuffles across and the keeper steps into the defensive line.