The summer window continues to heat up as Arsenal take a huge step towards signing Bruno Guimaraes, while Chelsea, Manchester United, Liverpool and Tottenham also work to secure statement signings. The Gunners are said to have agreed a deal worth around £80million for the Newcastle captain, with a medical pencilled in for next week. There is also said to be an agreement with Vinicius Junior over personal terms, while Mikel Arteta is said to have identified a surprise defender signing.