straight to your inbox every day for freeDavid de Gea has been warned his place is not secure in the Manchester United team after his errors in the 3-3 draw with Everton.De Gea, 30, fumbled the ball into the path of Abdoulaye Doucoure for Everton's first and was widely criticised for his feeble attempt to thwart Dominic Calvert-Lewin's 95th minute equaliser.United have the worst defensive record in the Premier League top 10 and De Gea has started in all but two of their 23 league fixtures.Dean