The Manchester United goalkeeper’s awful lapse in judgment put Everton ahead before three minutes were played at Goodison Park on Sunday.
[ STREAM: Everton-Man Utd ]
Played a safe ball into his box, De Gea dithered with the ball as Everton’s in-form striker closed him down.
De Gea finally attempted to clear the ball as a leaping Calvert-Lewin made himself big to block the attempt.
The forward did that and got a fine result, the ball bounding off his boot and inside the yawning cage for 1-0.
[ MORE: Premier League schedule ]
Calvert-Lewin now has 13 league goals this season, five coming in his last six outings.Follow @NicholasMendola