Palmer's rehabilitation is reportedly progressing well, despite a recent setback, with hopes for his return to the pitch after the next international break.
This potential return could see Palmer back for Chelsea's fixture against Burnley on 22 November, marking an absence of up to 11 games.
Maresca also commented on Liam Delap's recent red card in the Carabao Cup, acknowledging the error but maintaining belief in the striker's future as a key player.