Chelsea boss Enzo Maresca has revealed that talisman Cole Palmer had a groin problem as the Blues warmed up to face West Ham United in the derby yesterday.Maresca also revealed that the Chelsea no.

Maresca said Chelsea's star hasn't been fully fit this week and the team decided not to risk him after a blip during warm-ups."In the last 4-5 days he was not 100 percent and tonight during the warm-up he again felt something,

Estêvão became the youngest player in Chelsea history to assist a Premier League goal in Friday’s 5–1 win over West Ham United. The Brazilian was a late starter for Chelsea after Cole Palmer was forced to pull out of the pre-match warm-up with a groin injury, but wasted little time in catching the eye once again.