“Football always evolves,” said Maresca, whose side take a 2-1 aggregate lead into the home leg of their Conference League last-16 tie against Copenhagen on Thursday.

Chelsea’s default shape under Maresca is easily identifiable and widely known - but the Italian’s ‘line of six’ is a situational tactic

Chelsea will get "better and better" because of the "amazing" coaching of Enzo Maresca, insists Blues defender Levi Colwill. In his first season in charge at Stamford Bridge, Maresca has Chelsea fourth in the Premier League but they have suffered disappointing exits in both domestic cups.