David Luiz said Chelsea coach Antonio Conte had told him to "run a lot" when he played a midfield role in Chelsea's 2-1 win over Tottenham on Sunday.
Two goals from Marcos Alonso gave the Premier League champions victory at Wembley, with Luiz shielding a back three of Cesar Azpilicueta, Andreas Christensen and Antonio Rudiger.
The Brazil international said he felt Chelsea had played "a clever game" in the absence of key men Eden Hazard, Cesc Fabregas and Gary Cahill.
And asked by Sky Sports what Conte had wanted him to do, Luiz said: "Run -- run a lot!