There has also been interest in £9m-rated Inter keeper Emiliano Viviano and Real Madrid's Karim Benzema - but the France striker would cost upwards of £30m and is unlikely to leave the Bernabeu.
Wenger added: "I've said many times we were very close, despite the disappointment we had at the end of the season, we were very close again to winning things.
"I hope that provokes a response from my players, to think we were so close. We want to come back and achieve it.
"My responsibility is first of all not to lose players and then to add and make us stronger. Let's hope we can bring in one or two more additions of top quality."