As we enter the New Year there's one thing running parallel to the football season that's sure to have every fan regularly checking the papers; the January transfer window.

As teams look to get a mid-season boost and trump their rivals in the never-ending quest for superiority, GMS contributor Ollie Ledwith looks over three big deals that have a realistic chance of happening this month.

Diego Costa to the Premier League

Costa was strongly linked with Arsenal in the winter months, and with Liverpool in the summer.

He has scored 19 goals in 17 games for Atletico Madrid in La Liga so far, and is a big reason as to why Atletico are 2nd only on goal difference in La Liga.

Worth around £30-40million, at 25 in theory he still hasn't reached the pinnacle of his career. I think he would fit in well at Chelsea, who need a natural goal scorer.

However, any of the bigger teams would be happy to have him.

Koke to Manchester United

Another player linked to a Premier League club is Koke, a teammate of Costa at Atletico.

Manchester United are interested in the player, and are said to be preparing a £25million bid to secure his signature. This may be a little under what Koke is worth but for a 21-year-old it is a handsome fee.

Koke is a playmaker who has an attacking role at Atletico Madrid, and this position needs strengthening in the United side. Kagawa is the only attacking midfielder United possess, and perhaps Rooney, depending on how deep he has been deployed.

However, this signing must be successful, as Moyes' panic buy of the summer, Marouane Fellaini, has thus far failed to meet his potential at the club. Should Moyes' signing of Koke prove to be another poor decision, or should Moyes fail to acquire another midfielder, the pressure already upon him will hit fever pitch.

Marco Reus to Manchester United or Arsenal

The third transfer is that of a player who is always linked to big European clubs; Marco Reus.

Reus has been connected with Man United and Arsenal recently, with other clubs waiting in the wings to acquire his services. The 24-year-old German has been an Arsenal target for months, and they attempted to sign him last window.

Borussia Dortmund recently stated that they would not sell Reus for under £40million, yet a bid in the thirties could prise him away from Dortmund.

He seems suited to the Premier League and, although not incredibly strong, he is quick and has a good shot, combined with good passing ability.

His talent suggests that he would complement Arsenal's side nicely, however only time will tell as we wait to see where he is on February 1st.

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