Ancelotti's thoughts on Chelsea's first-half performance were reflected in his decision to introduce Jeffrey Bruma, Kakuta and Drogba.

BBC: Blackburn 3-3 Chelsea

Chelsea trailed 1-0 at the break after a disappointing first-half performance, prompting Ancelotti to make a triple substitution at the restart with Kakuta, Jeffrey Bruma and Didier Drogba coming on.

BBC: Chelsea boss Carlo Ancelotti defends cup team selection

In recent seasons, Chelsea have reduced the lavish spending that characterised the early years of Abramovich's reign, an approach that has seen greater first-team opportunities for some of their academy players, including forward Gael Kakuta, defender Jeffrey Bruma and midfielder Josh McEachran.

BBC: Frank Arnesen resigns as Chelsea sporting director