Petr Cech has admitted that Arsenal's biggest problem at the moment is conceding early goals.
Arsene Wenger's side were guilty of letting their opponents in during the opening 10 minutes of both games against Manchester United and Southampton.
The Gunners were beaten 3-1 by the Red Devils and left it late to rescue a 1-1 draw at St Mary's.
"One thing that is really gutting is that we lost the game against Man United in the first 10 minutes," Cech told Arsenal's official website. "We could have been 3-0 down after 10 minutes again (at Southampton) and I think this is something we need to improve.
"In this league, if you give other teams the advantage in the first five minutes, you make it far more difficult for yourselves. We were lucky to get a point, even if we deserved to get one in the end, because we put them under pressure. But we wanted all three."
Arsenal are currently fifth in the Premier League table, 17 points adrift of leaders Manchester City.
