Manchester United defender Harry Maguire accepts they were poor for defeat to Fulham.
Alex Iwobi struck Fulham's winner nine minutes into injury-time after Harry Maguire had equalised Calvin Bassey's opener for the visitors.
"Overall on the balance of play we didn't do enough in the first 60 minutes or so, we started the game not great," said Maguire.
"The first half was pretty even, but when you're not playing at your best you have to do the basics right and set pieces is part of that.
"We knew they would cause us a threat from those areas and they've scored early in the second from what we knew - so that's disappointing on that aspect.
"To be a goal behind, I thought our reaction was brilliant especially in the last 30 minutes and when we equalised probably only one team going to win it.
"We were probably naive in the end by throwing too many bodies forward and getting done on the counter attack.
"We've been on a good run of form and came into the game we were confident."