straight to your inboxDavid de Gea believes competition among Manchester United's goalkeepers is key to improving individually amid suggestions Sergio Romero could replace him for tonight's game against West Ham.The Spaniard's form has dipped in recent months and plenty of United fans have called for Romero to replace him between the sticks following his errors in the FA Cup semi-final against Chelsea.Romero has not started a Premier League game since 2018 when he featured in a 1-0 win against