2018 January transfer window: All the major moves

Updated 1212 GMT (2012 HKT) January 31, 2018
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Gabon international Pierre-Emerick Aubameyang has joined Arsenal from Borussia Dortmund for a reported fee of $85 million. Stuart Franklin/Bongarts/Bongarts/Getty Images
The deal for the Gabon international, could see Arsenal's Olivier Giroud join Chelsea for a fee thought to be in the region of £18 million ($25.5m). GEOFF CADDICK/AFP/AFP/Getty Images
The transfer merry-go-round involving Arsenal, Dortmund and Chelsea could take Michy Batshuayi from the Premier League champions to the Bundesliga club. Julian Finney/Getty Images Europe/Getty Images
Manchester City confirmed the signing of Aymeric Laport from Athletic Club, after the Premier League leaders activated the £57.2 million ($80.9 million) buyout clause in the defender's contract. Juan Manuel Serrano Arce/Getty Images Europe/Getty Images
And the Manchester club Alexis Sanchez has signed for is ... United.
Sanchez had linked with a move to Manchester City, but the 29-year-old Chilean has opted to join Jose Mourinho's United.
Michael Steele/Getty Images Europe/Getty Images
Meanwhile Henrikh Mkhitaryan has left Manchester United to join Arsenal in the transfer swap involving Sanchez. Richard Heathcote/Getty Images Europe/Getty Images
Carlos Tevez returned to boyhood club Boca Juniors from Chinese Super League side Shanghai Shenhua, where he was the highest paid player in the world -- earning a reported $900,000 per week. EITAN ABRAMOVICH/AFP/AFP/Getty Images
Philippe Coutinho has joined Barcelona from Liverpool in a transfer widely reported to be worth $170 million. Catherine Ivill/Getty Images Europe/Getty Images
Besiktas' forward Cenk Tosun is set to join Everton for a reported £27 million fee, making him the most expensive player in Turkish Super Lig history. "It is just personal terms now, the final stage," said manager Sam Allardyce on Thursday. BULENT KILIC/AFP/AFP/Getty Images
Liverpool paid $101 million for Southampton defender Virgil van Dijk -- a world record for a defender. The Merseyside club had tried to sign the Dutch international during the 2017 summer transfer window, but a potential deal was scuppered after Liverpool was forced to apologize for making an alleged illegal approach for the 26-year-old. PAUL ELLIS/AFP/AFP/Getty Images
Portuguese international Adrien Silva finally joined Leicester City from Sporting Lisbon for a reported $29 million. Silva has been in limbo for the last four months after paperwork relating to his transfer was submitted 14 seconds too late on the final day of the summer transfer window on August 31. Ian Walton/Getty Images Europe/Getty Images
Diego Costa is back at Spanish club Atletico Madrid for a second spell. The Spain international rejoined Atletico from Chelsea in a $77 million deal after the two clubs agreed his transfer September. When Costa signed Atletico was operating under a FIFA ban on registering news players until January, so the Spanish club's record signing is only now eligible to play. David Ramos/Getty Images Europe/Getty Images