A win for United would see them earn 10 points from their opening four games, and on course for qualification to the knockout round for eighth time in the last ten years.
|MAN UNITED LATEST
|16/1||Man Utd and Real Sociedad are 16/1 with BetVictor to draw 2-2 on Tuesday|
"We want to win on Tuesday and continue the good form we’ve shown in Europe so far," De Gea told the club’s official website.
"We know that if we get the three points we’ll have one foot in the knockout rounds, but it won’t be easy. Real Sociedad showed they are a strong team when they came to Old Trafford and they’ll be even stronger at home in front of their own fans.
"I’m looking forward to the match a lot. It’s a great stadium and San Sebastian is a very special city. I think their fans will create a very good atmosphere so it should be an enjoyable game.
"It’s always a good experience to go back to Spain and, of course, doing so wearing the Manchester United shirt makes me very proud. I’ve played for United in Spain against Madrid and Bilbao and it was very special."
Sociedad are yet to win in the competition this year, scoring once in the opening three games, while United only have a draw against Shakhtar Donetsk as a blight on their perfect record.