Arsenal has been active in their transfer window, as evidenced by the various news outlets. [1] mentions that Arsenal have opened talks with Newcastle United over a potential £60 million deal for Bruno Guimaraes, who is currently at Newcastle. Meanwhile, [2] and [3] provide more detailed information on this transfer, stating that Arsenal are in direct negotiations with Newcastle for the Portuguese defender. Additionally, [4] reports that Barcelona has requested reinforcements in their midfield, suggesting they may be looking to sell or bring in new players.
In other developments, [5] covers a broader range of transfer news, including updates on Arsenal's interest in Vinicius Jr and talks involving Bradley Barcola potentially moving to Man United. These sources provide a comprehensive look at the current state of Arsenal’s transfer window activities.