Man Utd deal done, Arsenal double move and Balogun exit

The Mirror's transfer roundup lands with a busy morning for Premier League clubs. Manchester United have announced a deal, while Arsenal are working a double move. Folarin Balogun's future is back in the spotlight as a fresh bombshell drops. It all comes as the top flight breaks its summer spending record at £3.2 billion. Liverpool and others are also involved in the day's business. The window is clearly not done yet.