straight to your inboxManchester United fans have demanded that David de Gea is dropped for Dean Henderson next season after his two errors in the FA Cup semi-final against Chelsea.De Gea's form has nosedived in recent months with a number of key mistakes creeping into his game.With Henderson impressing during a two-year loan spell at Sheffield United, De Gea's position as United's first-choice goalkeeper was already under threat.The Spaniard did not help his cause at Wembley, allowing Olivier