Arsenal face a problem in this transfer window as they have a lack of depth and plenty of injuries in defence, but limited spending power to recruit in the market. Takehiro Tomiyasu has missed plenty of games with injury, whilst Jurrien Timber is set to miss most of the season. Ben White has been reportedly carrying a knock since November, and Cedric Soares now looks set to join Turkish side Besiktas. With this in mind, there are currently very few options available at full-back on both sides, with Jakub Kiwior set to fill in whilst Oleksandr Zinchenko remains sidelined with a calf problem. Mi…