DAVID DE GEA missed Manchester United's clash with Crystal Palace for 'personal reasons'.
Ole Gunnar Solskjaer made the mysterious admission before Wednesday's Premier League clash at Selhurst Park.
And United's iconic Spanish goalkeeper is also a doubt for Sunday's crunch clash against leaders and fierce rivals Manchester City.
De Gea was replaced between the sticks by youngster Dean Henderson, who has played second fiddle to the veteran since his return from Sheffield United.
When asked why De Gea was not in the squad for the Palace game, boss Solskjaer simply replied: "Personal reasons."
The Norwegian went on to also explain Anthony Martial's absence in south London.
And Solskjaer added that both are likely to miss out against City on Sunday.
He revealed: "Anthony got a knock in training on Monday on his knee so he's not ready for this.
"Hopefully [they're both back] for the weekend but we're not sure yet."
De Gea has been a mainstay in the United team ever since his 2011 switch from Atletico Madrid.
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The shot-stopper has played 434 games for the Red Devils, winning one Premier League title, one FA Cup and one Europa League.
However, De Gea has come under fire in recent seasons after a number of high-profile errors.
And some United supporters believe the club would be better off making Henderson the new No1 due to his undoubted potential.