Arsenal have been struggling this season. The list of poor performances is extensive; losing 1-0 to the Championship side Blackburn Rovers in the FA Cup, a 3-1 defeat to Bayern Munich in the Champions League, a current standing of fifth in the Premier League, and not to mention Arsenal have been bereft of a trophy in over seven years. Who, therefore, should the Gunners sign this summer to strengthen this somewhat disjointed squad?

Edinson Cavani | Napoli

When Robin Van Persie left in the summer of 2012, Arsenal were left in a precarious position. The lack of a proven, notorious goal scoring striker was a problem for Arsene Wenger's side.

Wenger called upon Olivier Giroud of Montpellier to fill the void created by the departure of Van Persie. However Giroud has performed distinctly average at the best of times and clearly does not show the star quality of the likes of Van Persie.

Therefore Arsenal are in need of a world class striker and a such a man is Edinson Cavani of Napoli. The Uruguayan International has netted 27 goals in 29 games this season and therefore, in my opinion, would provide Arsenal with the prolific goal scorer they have so clearly lacked. 

Kolo Toure | Manchester City

This season Arsenal have been poor defensively, conceding 29 goals. The Gunners have lacked quality and a strong leader at the heart of the defence. Some may argue that Thomas Vermaelen provides leadership within the Arsenal ranks but his defensive qualities have been somewhat questionable this season.

Per Mertesacker has not had the best of seasons either. The German has been caught out of position by the oncoming attack countless times recently and the fact that he is devoid of pace makes it almost impossible for him to recover. Although bringing back a centre half you left north London to the nouveau riche Manchester City may seem controversial to some, it could also be a masterstroke.

Wenger will have admired the ruthlessness of Bayern Munich's defence - his old teams had it in abundance. Not so long ago Sol Campbell and Kolo Toure were the most envied centre-back pairing in the world. Bringing back someone who has one numerous trophies at Arsenal could only improve a defence which is shaky and inconsistent at best.

Toure's contract runs out at the end of the season and City are unlikely to extend, so Wenger would not have to pay a penny to sign the 31-year old.

Victor Wanyama | Celtic

The departure of Alex Song for a fee of £15 million left Arsenal with a gap to fill. Arsenal's squad currently lacks a defensively oriented midfielder as a consequence of Song's move to Barcelona. This has left Arsenal defence, for the majority of the season, unprotected allowing opposition counterattacks to overwhelm the Gunner's back line.

Victor Wanyama is a defensive midfielder of some quality. The muscular 6' 2" Kenyan has proven himself at Celtic displaying his defensive qualities as well as strengths in attack with his ability to net from range. Wanyama will provide what Arsenal have missed through the loss of Alex Song. 

Hatem Ben Arfa | Newcastle

Since Andrei Arshavin's form dipped a couple of seasons ago Arsenal have been lacking quality on their left wing. Lukas Podolski has taken up that role for the majority of the season showing quality in places. However one cannot deny that the German international excels in a more striking/centre-forward role.

Alex Oxlade-Chamberlain is another candidate for wing however I believe his future at Arsenal lies within the midfield. Gervinho has not shown any promise in the last two seasons at Arsenal. The Ivorian has displayed little quality in front of goal as well as awful decision making when attacking down the left flank.

Hatem Ben Arfa seems to possess what Arsenal lack. Newcastle have clearly suffered over the last to months with the loss of Ben Arfa through injury and thus could clearly add a great deal of depth and quality to the Arsenal squad. The 25-year old is nearing upon his prime as a player and not to mention suiting Wenger's French themed squad.

Simon Mignolet | Sunderland

Arsenal's first choice keeper, Wojciech Szczesny, has been inconsistent this season. Szczesny's decision making woes have become more evident than ever and it is necessary for arsenal to bring a more reliable keeper into the club over the summer transfer window.

One such keeper is Simon Mignolet who has been impressing at Sunderland over the past two seasons being hailed by the likes of Craig Gardner. The Belgian has kept nine clean sheets in 26 games as well as making over 100 saves - twice that of Szczesny.  The Black Cats keeper should also add competition for the first team spot encouraging on Szczesny to improve. 

Who do you think Arsenal should sign this summer? Have your say below...

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