With Arsenal languishing in 6th place in the Premier League, attention has now turned to who Arsene Wenger can bring in during the January transfer window in a bid to improve his sides' fortunes on the pitch.

The Gunners currently trail their north London rivals, Tottenham, by six points. Although Arsenal have a game in hand on Andre Villas-Boas' side, the discontent around the Emirates continues to grow, with questions being asked as to why Wenger hasn't improved the squad.

Here are five players linked to the Gunners who could improve their squad.

David Villa - Barcelona

It looks increasingly unlikely that David Villa will be an Arsenal player come the end of January. But never say never - with a good sensible offer there is no reason why a deal cannot be struck, and fast.

Yes, the problem does lie with Barcelona’s reluctance to sell the Spanish striker, and secondly Arsenal aren't making the right noises regarding a potential move.

At 31, Villa's goalscoring record is impeccable, yet Wenger is likely to look for a player with potential who is ten years younger than the Barcelona starlet.

Fernando Llorente - Athletic Bilbao

Another player who could add serious firepower to the Arsenal front-line is Fernando Llorente.

Llorente is willing to leave Athletic Bilbao at the end of the season, if not sooner, after rejecting the offer of a new contract.

It would be in Arsenal's best interests to move quickly for 'the Lion King', because the 27-year-old striker will undoubtedly have a whole host of potential suitors.

Standing tall at 6'5", Llorente would add a new dimension to the Arsenal attack. Younger and most likely cheaper than Villa, could the Pamplona-born frontman be the bargain Wenger is looking for?

Yann M'Vila - Rennes

On the face of it, signing Yann M'Vila would be the sensible option for an Arsenal side lacking a commanding defensive midfielder. That said, it would seem that relegation-threatened QPR have swooped to bring the powerful midfielder to Loftus Road, with a switch to Harry Redknapp's side all but confirmed.

Strong and willing to help out the defence, the France international is a player Arsenal have lacked since the days of Patrick Vieira, whilst Abou Diaby is constantly battling with fitness.

M’Vila's attitude has come under some scrutiny at times, but he'd go a long way to balancing the attacking flair of the Arsenal midfield.

Mapou Yanga-Mbiwa - Montpellier

At 23-years-old, Mapou Yanga-Mbiwa would be an ideal candidate to help improve Arsenal's defence.

The Bangui-born stopper has plenty of time to improve, but he is quick, strong and is a commanding centre-back - something Arsenal fans have been screaming out for in recent times.

His versatility would be a real asset, and his ability play in midfield would provide Arsenal with a number of options.

Available at the right price, this move would make great sense, yet it remains to be seen whether Arsene Wenger agrees.

Theo Walcott - Arsenal

In truth, this is the most important signing Arsenal could make this window.

Although reports suggest Theo Walcott is close to agreeing a new and improved contract, the ongoing saga continues to drag on, and until it's confirmed by the club, Arsenal fans will have that nagging doubt in their mind that the Gunners are to lose yet another of their key players.

With key players leaving the club in years gone by, losing Walcott would be disastrous. Wenger’s willingness to play the England international in his preferred position down the middle is clearly an attempt to get Walcott to extend his stay at the Emirates.

Maybe Walcott is not in the same league as club legend Thierry Henry, but his new found form and improved finishing abilities have got the Arsenal fans chanting "Wenger, Wenger sign him up!" - and I think the majority of Gooners agree.

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