Andrea Berta is ready to try and bring Bruno Guimaraes to Arsenal this summer as part of a midfield overhaul with two high-profile stars poised to move on. The Gunners have identified Berta, formerly of Atletico Madrid , as their top choice to succeed Edu as sporting director after the Brazilian opted to leave his post earlier in the season. Berta will be tasked with identifying and signing the players capable of transforming Arsenal from title contenders into champions. And while the