Chelsea assistant coach Willy Caballero defended Enzo Marescas decision to replace Cole Palmer after the controversial substitution sparked jeered from angry fans during the 2-2 draw against Bournemouth on Tuesday.
The Chelsea managers move backfired, leaving them with just one win from their last seven league games and sparking more boos at the final whistle.
The pressure is growing on the Italian, with fifth-placed Chelsea having dropped 13 points at home from winning positions.
