£450million – reported fees spent by Premier League clubs in the January window as a whole – double the previous record for a winter window.
£75million – Liverpool’s signing of Virgil van Dijk was the first and most expensive of the month.
£56million – new Arsenal striker Pierre-Emerick Aubameyang’s signature cost a club record and was the highest on deadline day.
12 – the number of signings by Premier League clubs on deadline day.
7 – shirt worn by both Alexis Sanchez and Henrikh Mkhitaryan after their swap deal between Manchester United and Arsenal.
4 – Stoke and Watford made the most signings in the Premier League this month.
3 – Aubameyang’s move sparked a three-pronged striker shuffle, with Arsenal selling Olivier Giroud to Chelsea who shipped Michy Batshuayi to Aubameyang’s former club Borussia Dortmund on loan.
1 – every club made at least one signing, with Manchester United and Tottenham contenting themselves with a solitary addition apiece – Sanchez and Lucas Moura respectively.