Maresca was questioned over Sancho's discipline after seeing his deadline day signing booked for dissent early into his Chelsea career, however the Italian was adamant that he would rather see passion from his players than they show a 'lack of motivation'.
Sancho was shown a yellow card on a night which saw referee Anthony Taylor hand out a Premier League record 14 bookings during Chelsea's 1-0 win at Bournemouth last weekend.
The forward, on loan from Manchester United, produced a game-changing display after coming on as a half-time substitute, with his creativity leading to Christopher Nkunku's winner.
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WHAT MARESCA SAID
Maresca said: “If a player comes and doesn’t look motivated or passionate, it’s a problem. Now a player comes and looks passionate and motivated, it’s a problem? It’s not a problem. It just shows his desire. I don’t think there was any kind of discipline problem in that game. Jadon showed what we expected from him.
“Not only in that 45 minutes, but also in the day by day, the way he is working, it’s fantastic. Hopefully it can continue in that way.”
The Blues are aiming to make it back-to-back away wins to build on an encouraging start for Maresca, who has won three of his first six games as Chelsea manager.