Liam Rosenior might have downplayed the significance of Chelsea's win against Antonio Conte's Napoli in the Champions League after a comeback victory that secured a place in the last 16.
But outmanoeuvring a manager who once occupied his office at Stamford Bridge and guided them to the Premier League title should rank high among the new Blues manager's career achievements.
Managing in the Champions League for only the second time after taking charge of the club earlier this month, Rosenior was the novice facing a master tactician whose legacy looms large over the club.