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

Arsenal will play two matches in Singapore against AC Milan and Newcastle United. The then fly to Hong Kong for a first north London derby overseas, playing Tottenham at the end of the month to conclude the tour of Asia.

"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.