Arsenal may be top of the Premier League, but they should be looking to strengthen their squad in January.
Here are five players Arsene Wenger should have on his transfer wishlist:
Arsenal may have the luxury of Alexis Sanchez, Theo Walcott, Alex-Oxlade Chamberlain and Joel Campbell on the wings, however, they shouldn't shy away from the Southampton forward.
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Walcott showed his capabilities on the wing with his spectacular finish against Manchester City, but he and Chamberlain are both very susceptible to injuries.
Campbell has shown glimpses that he can be relied on, but doesn't seem like a player you can trust in the long-term. Besides, the Gunners could get a reasonable fee for him in this transfer window.
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Imagine the speed the Gunners could have in their front line with Sanchez, Walcott and Mane. That would frighten the life out of any defence, especially with assist-wizard Mesut Ozil feeding them.
The former Red Bull Salzburg player is a big game player also. With three of his five assists this season coming against both Manchester clubs and Chelsea. Not to mention, scoring important goals against Mourinho's former side and Liverpool.
United were rumoured to be interested in trying to sign the Senegalese international in the summer. That means he could come at a hefty price, but at 23-years-old, the investment could be worthwhile in the long-term.
Another player who isn't short of pace is Pierre-Emmerick Aubameyang. Wenger will probably be gutted he didn't purchase the Gabonese forward in the summer.
The Dortmund striker has gone on to score 18 goals in 17 Bundesliga matches, totalling his tally to 27 in all competitions before the winter break.
He is powerful, quick, and clinical. The ideal forward in many people's eyes.
To sign a player like that with Sanchez, Walcott and Olivier Giroud to call upon also, the Gunners could steam-roll the title.
Once again, he won't come cheap, and he has expressed his fondness of Dortmund recently, so Arsenal fans might have to wait for the summer for this one to happen.
A 6'1" build and 23-years of age, William Carvalho would represent excellent value for money.
The combative midfielder would provide much needed cover for the injured Francis Coquelin, and provide a solid base for the Arsenal midfield.
If the Gunners want to win this league, they are going to need a dominant, tough-tackling presence in midfield. With tough games against Stoke, Liverpool, both Manchester clubs, Everton and Tottenham all away from home to come, they need someone who can fight in big matches.
The Sporting Lisbon midfielder has been capped 15 times for his country and could be just the player Wenger needs to provide more balance to his side.
He has the potential to be one of the best centre-backs in world football, but in order to prove it, John Stones needs to move to a big club.
He won't come cheap, but his expensive price-tag will be worth the return.
Laurent Koscielny has been regarded as one of the best centre backs in the Premier League, but he needs a strong, composed partner.
Stones is incredibly comfortable on the ball, as he can glide from his own box into midfield, something that Wenger would surely admire.
He wouldn't be shaky on the ball, which the Arsenal manager will like with his possession-based philosophy. As well as possessing speed, he can read the game impeccably.
Even Barcelona have reportedly been interested in signing the former Barnsley player.
The 21-year-old has already racked up sixty appearances for club and country, and you would expect him to make many more at Arsenal.
Chelsea were rumoured to be interested in signing him in the summer, but Arsenal could solve their defensive problems if they signed the Everton centre half.
The second Southampton player on the list. He has been heavily linked to the north London club in recent weeks and it would be a shrewd move by Wenger to sign him.
Just like Carvalho, Wanyama would provide extra depth to the holding midfield role with Coquelin out injured.
He would probably be a cheaper option than Carvalho too, with £15 million being suggested.
Another young player, but with experienced shoulders, he is the ideal Patrick Vieira placement that Arsenal need.
The January window is always a difficult time to sign players. Clubs are reluctant to let their star assets go, knowing it will be troublesome to replace them.
The Gunners may win the league without these players, but that doesn't mean they shouldn't be keeping an eye on them in the summer also.
Who should Arsene Wenger sign in January? Give YOUR opinion in the comment box below
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