Everton were one of the better performers in the summer transfer window in terms of getting players into the club.

They sold Marouane Fellaini to Manchester United but brought in James McCarthy for £14 million, sold Victor Anichebe and brought in Arouna Kone and also bolstered the squad with loan deals for the likes of Romelu Lukaku and Gerard Delofeu from Chelsea and Barcelona respectively.

While profits from the transfers would have been used to fund the loan deals, there is surely most definitely money to work with in the January window.

Everton are already off to a good start in the 2013/14 season and have picked up twelve points from their first seven games.

Savvy business in January could prove the difference for Roberto Martinez's side in getting a place in the Europa League.

But who are these five candidates?

5. Tom Ince

Ince is a man who is frequently gossiped about during transfer windows. In the final year of his contract, he may just be on the verge of a Premier League move. Everton have been linked with him and may try to get Blackpool to sell Ince on the cheap.

He's quick footed, highly-skilled and capable of performing on the left or right flank. Ince is just the type of man Martinez likes in his team, playing out wide. Given his reduced fee, he will prove to be a bargain for his next employers.

4. Callum McManaman

McManaman is another young, exciting midfield prospect and has all the traits that Martinez admires.

Everton's manager has recently gone and watched one of Wigan's games and McManaman may just be the reason why.

A former member of Everton's academy, he would surely jump at the chance to join the Premier League once again, especially with his boyhood club.

He may be expensive as young English players generally tend to have an inflated fee, so the Toffees may need to offload a few more fringe players before making a bid for the Wigan man.

3. Philipp Hosiner

A regular source of goals has been Everton's downfall for a very long time. Lukaku will temporarily mask this deficiency for this campaign, but it will haunt them if a long-term replacement isn't brought in. Hosiner has been prolific in Austria with 32 goals from 36 games last season and is now gaining European experience with Austria Wien.

If the 24-year-old continues his stunning form and becomes a hit in Europe, he may prove to be a decent purchase.

2. Andres Guardado

Guardado is another player heavily linked with the Toffees. The left winger can also operate as a left-back and is currently at Valencia.

He has almost 100 caps for Mexico at the age of 27 and is a hard worker on and off the ball.

Given the financial problems in Spain, especially in Valencia, Guardado may not command a hefty fee.

1. Bruno Martins Indi

Left centre-back at Everton is a position currently occupied by Sylvain Distin, but the Frenchman is approaching 36 as well as the end of his career.

He is not particularly suited to the passing game and Martinez will surely be scouting for players in this position.

Indi is one potential candidate to fill the position and matches most of the criteria. Strong and powerful, as well as naturally left-sided, the Feyenoord defender seems well suited to play in the Premier League.

He will command a hefty fee, but at the age of 21 and a regular in the Dutch national side already, he would prove a wise investment.

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