Arsenal are battling Tottenham for Inter Milan fullback Alvaro Pereira.
Spurs boss Andre Villas-Boas is willing to offer Benoit Assou-Ekotto in a swap for Pereira, who he worked with at Porto.
However, Arsenal are also keen as they prepare to offload Andre Santos to Fenerbahce and have lost Kieran Gibbs for almost a month due to injury.
Gunners boss Arsene Wenger is eager to make a new fullback signing today.