Q&A: Why was January 2021 transfer window so quiet for Premier League clubs?

Jesse Lingard, Joe Willock and Mbaye Diagne all completed moves in January (Martin Rickett/PA/Adam Davy PA/Jason Cairnduff/PA)

The January transfer window closed with anything but a slam on Monday night.

One of the quietest deadline days in the past decade saw just nine signings completed by Premier League clubs.