Manchester United boss Louis van Gaal says they must not underestimate Leicester City today.
The Foxes are one of the favourites for relegation, but Van Gaal has been impressed by the spirit they have shown so far this term.
"They have had some difficult games," the United boss said of the Premier League newcomers, who have taken five points from their opening four matches.
"For one hour against Chelsea away, it was 0-0, so I don't think it's an easy game.
"They were behind (against Arsenal) and they came back (to draw) so the character in their team is very good."
