Mikel Arteta says Arsenal are "still active" in the transfer market but warned it might take more than "one or two windows" for him to build the squad that he wants.
Arsenal have brought in Willian, Gabriel Magalhaes and Dani Ceballos so far this summer, but have struggled to move players on - with Henrikh Mkhitaryan the only senior player to leave the club.
Arteta admits that has left his squad unbalanced ahead of the new season and that there is still plenty of work to be done before the window closes on October 6.
Editors' Picks
“We are still active in the market,” he said.