The Premier League's January transfer window officially opens on January 1 and closes on January 31, giving clubs the opportunity to make signings ahead of the next round of fixtures.

This is a crucial time for teams looking to strengthen their squad in preparation for the second half of the season. The Premier League has seen some significant transfers over the years, with players moving from one club to another at the end of the year or during the winter break.

One of the most high-profile moves of the January transfer window was the £45 million move from Manchester United to Juventus for Paul Pogba in August 2016. Another notable signing was Harry Kane's move from Tottenham Hotspur to London rivals Chelsea in January 2019 for a fee of £25 million.

Other big names who have made moves during the January transfer window include Lionel Messi, who joined Paris Saint-Germain from Barcelona for a reported £70 million in July 2020, and Cristiano Ronaldo, who signed for Juventus from Real Madrid for a reported £80 million in June 2021.

With the Premier League set to resume its matches in February, teams will be hoping to bolster their squads with new signings ahead of the second half of the season. It remains to be seen how many more transfers will take place before the window closes on January 31st, but it is clear that this period is one of the busiest times of the year for football fans.