Chelsea suffered a shock loss to relegation-battlers, Everton, at Goodison Park.
The Toffees took the lead as Richarlison converts from close range in the 5th minute of the game.
Everton then doubled their advantage in the 49th minute as Calvert-Lewin dispatches a low strike past Kepa.
Despite Kovacic’s goal which made the scoreline 2:1 in the 52nd minute of the game, Chelsea gave the game away with a number of errors to allow Calvert-Lewin to strike which made it 3:0 in the 84th minute.