Agent Kia Joorabchian could place three more of his players at Arsenal this summer.
And Joorabchian could help Mikel Arteta strengthen his team this summer ahead of the 2020/21 campaign.
The current season remains suspended amid the coronavirus crisis, but transfer plans are still being outlined at clubs across Europe.
But getting cheap deals will be key too, with Willian and Kurzawa both coming off contract, while Barca slashing their price for Coutinho.
All three players are of interest for Arteta.