Manchester United goalkeeper has been under the spotlight for the past few days, after his error allowed Steven Bergwijn to open the scoring for Tottenham Hotspur on Friday night.
De Gea let the ball through his hands to concede in United's 1-1 draw against Spurs, with former United captain Roy Keane leading the fierce criticism of the Spanish international.
Keane said he was "sick to death of this goalkeeper", though Ole Gunnar Solskjaer stood by his No.1 when asked about Keane's comments after the game.
Neville has now urged De Gea to simplify his game after pinpointing the goalkeeper's international form as the catalyst for a downturn in his United performances.Get the latest breaking Manchester United news and analysis every day direct.
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