"Yes, of course I am confident," Sky Sports News quotes Wenger as saying. "Why should I sit here and say to you we can absolutely not win the title with the players we have?
"I never said we have made a bid to Liverpool, now I can tell you we have made one, so at least that is some information. All the rest, I would like to keep to us.
"We have one month in front of us and we will work very hard to strengthen our squad, without naming any specific names, because I do not believe that will make negotiations easier."
Arsenal finished fourth in last season's Premier League campaign.