Arsenal summer signing Jurrien Timber recently returned to full training, but it may be some time before he can return to first-team action. The Dutchman joined from Ajax for around £34m in the summer, and instantly impressed as a left-back in the Community Shield victory against Manchester City. However, the defender was dealt a massive blow as he picked up a cruciate ligament injury on his Premier League debut against Nottingham Forest, which looked set to keep him out for the majority of the campaign. With nine league games, and a minimum of two Champions League matches remaining this seaso…