From Arteta's call with Madueke and his father to the role of agent Ali Barat and sporting director Berta, here's how the deal was done

LONDON — Arsenal's transfer spree continued with the signing of England forward Noni Madueke from Chelsea on Friday. He is Arsenal’s fourth signing of the offseason after midfielders Martin Zubimendi and Christian Norgard and goalkeeper Kepa Arrizabalaga.

"Noni is an exciting and powerful young player, with his performances and numbers in recent seasons being of consistently high quality," Mikel Arteta said of Madueke.