Arsenal have been linked with players in all positions throughout the summer.
Here, GMS Academy member Elliott Gordon looks at what Arsene Wenger needs to do before the transfer window closes.
Wojciech Szczesny and Lukasz Fabianski are Arsenal's only first-team goalkeepers.
Szczesny, only 23 years of age, is Arsenal's no.1 and has demonstrated that he holds the qualities to become a top class goalkeeper. But to enable Szczesny to become a world class keeper, he must face a tough challenge to start games regularly.
Fabianski could provide essential competition for Szczesny after some impressive performances in the last campaign and in pre-season. However, an experienced and world class goalkeeper could provide more than just competition for Szczesny.
An already proven top keeper will provide Szczesny with some additional knowledge to improve his game and help Arsenal concede fewer goals. Fabianski could be the player to challenge Szczesny at Arsenal but an experienced and world class goalkeeper would benefit Arsenal more.
The defenders at Arsenal are all good players. In the centre-back position, Per Mertesacker, Laurent Koscielny and Thomas Vermaelen all work well, whatever the partnership is in defence, and all have stand-out individual qualities.
When injuries or suspensions occur in this area, Arsenal suddenly look very short of options. The addition of a high quality centre-back would really strengthen Arsenal's back line and increase the amount of options in the heart of the defence.
Arsenal have four very good full-backs. Bacary Sagna and Carl Jenkinson on the right and Kieran Gibbs and Nacho Monreal on the left are all good quality players and naturally have competition for places - as well as cover for injuries or suspensions.
Arsenal have no major problems in the full-back position but should Arsenal decide to purchase a new full-back, then a versatile player who could play either side of the pitch would be a good option. The full-back position is not an area of concern for Arsenal at the moment.
At present, Arsenal lack the imposing and powerful figure of a specialised defensive midfielder. With no doubt, the acquisition of a defensive midfielder would significantly improve the quality and performance of the current Arsenal side.
A high quality signing would benefit Arsenal in attack and defence. He could organise and aid the current defence when it becomes exposed and act as an anchorman when Arsenal attacks build up.
The likes of Mikel Arteta and Aaron Ramsey have both filled in this defensive midfield position, but they are more suited to more advanced positions. The signing of a masterful defensive midfielder would be extremely beneficial to Arsenal and should be one of the priority positions for Arsenal to fill this summer.
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