Cologne - Although for some the winter break is a time for rest and relaxation, for the 18 Bundesliga clubs, the January transfer window provides an opportunity to continue attracting some of the world's finest players to German shores.

With bundesliga.com's updates, you can be sure you won't miss anything that happens on the transfer front between now and the closing of the window on 2 February...

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Monday 12 January

FC Schalke 04 have signed Serbian international defender Matija Nastasic on loan from English Premier League champions Manchester City FC until the end of the season. The 21-year-old has made just one appearance for City in all competitions this season, but sporting director Horst Heldt is delighted with the acquisition: "He's good in the tackle and comfortable playing the ball out from the back. He'll help give us that little bit of stability in defence that we've been looking for."

Friday 9 January

Shaqiri signs Inter deal
Xherdan Shaqiri has indeed joined FC Internazionale Milano. The Swiss international passed his medical on Friday, before signing a four-and-a-half-year deal.

Thursday 8 January

FC Bayern München have also confirmed the imminent departure of . The Swiss international is expected to sign for Italian outfit FC Internazionale Milano, pending a medical on Friday. The 23-year-old joined the record German champions in summer 2012 from FC Basel 1893 and went on to win eight trophies during his time at the club.

has been loaned out to FC Augsburg from FC Bayern München until the end of the season. The Danish international, capped four times by his country, will hope to pick up some more regular match practice in Augsburg after struggling to force his way into Bayern's star-studded side. "It's intended he will gather some match practice and we'll discuss the next steps in May or June," said his agent Soren Lerby to Sport Bild.

Wednesday 7 January

Philipp Wollscheid, capped twice by Germany, has left 1. FSV Mainz 05 to link up with English Premier League club Stoke City FC on loan until the end of the season. The 25-year-old only arrived in Mainz in August on loan from Bayer 04 Leverkusen, but he managed only five appearances under Kasper Hjulmand in the first four months of the season.

There was more transfer activity on Tuesday evening, this time within the Bundesliga, as 1. FSV Mainz 05 announced the loan signing of FC Schalke 04 midfielder Christian Clemens until the end of the 2015/16 season. "I think Mainz is exactly the right club for me. Their style of football suits me really well and I'm looking forward to the challenge here. I want to help the team as quickly as possible," said the former 1. FC Köln man.

Leverkusen have bolstered their backline for the start of next season with the signing of Brazilian defender Andre Ramalho from RB Salzburg. Ramalho has put pen to paper on a four-year contract, starting July. "Andre's a talented and young defensive all-rounder who's already enjoyed two successful years working with our current head coach," said sporting director Rudi Völler. "He won the league with Roger Schmidt and was particularly impressive in the UEFA Europa League.

Hannover 96 defender Stefan Thesker has joined Greuther Fürth on a two-and-a-half-year contract. The 23-year-old has only made two appearances for Tayfun Korkut's side since joining the Reds from TSG 1899 Hoffenheim in the summer. "We've increased our stability and our defensive options with the signing of Stefan Thesker," said Fürth president Helmut Hack, whose team are currently six points above the relegation play-off place in Bundesliga 2.

Eintracht Frankfurt have confirmed the signing of 19-year-old Gambian striker Yusupha Yaffa (pictured) until the end of the season. Yaffa, who left Italian giants AC Milan in the summer and has been training with the Commerzbank Arena club for several weeks, has been handed a contract until 30 June 2015 with the option of an extension. He will join the Eagles' Under-19 side on their mid-season training camp in Turkey on Tuesday.

In an effort to rectify their nightmarish first half of 2014/15, Borussia Dortmund have swooped to sign one of Europe's most exciting young attacking midfielders, Kevin Kampl. The Slovenian international joins Jürgen Klopp's side from Austrian champions FC Salzburg and with 29 goals in 109 appearances, the 24-year-old could prove the man to reverse BVB's fortunes in front of goal. Kampl himself could hardly hide his delight at signing for his boyhood club, posing proudly on social media in his new colours.

South Korean international Dong-Won Ji has opted to leave Borussia Dortmund and rejoin FC Augsburg. Ji has already played for Augsburg, scoring against BVB in January 2014 after arriving from English side Sunderland AFC, and has agreed terms on a contract until 2018 with the Bavarian club. Augsburg sporting director Stefan Reuter said that the signing of Ji gives "the squad some additional quality" as Markus Weinzierl's side look to build on an impressive first half of the season.

VfL Wolfsburg have already unveiled their first signing of January. Chinese international Xizhe Zhang has joined the club from Beijing Guoan, in the process becoming the 11th man from his nation to represent a Bundesliga club. "It's a big honour for me to play for such a big club like Wolfsburg," said Zhang at his presentation. "This is one of the top clubs in Germany and the Bundesliga is one of the best leagues in the world. I'll give it my absolute best to make sure China can be proud of me."