Firstly, there was the major signing of Portuguese midfielder Bruno Fernandes from Sporting Lisbon on Thursday 30 January - the eve of the transfer deadline.
On deadline day itself, young goalkeeper Nathan Bishop arrived from Southend United, also on a permanent basis.
Finally, late on Friday night, 31 January, the club confirmed the loan signing of former Watford striker Odion Ighalo, from Chinese club Shanghai Greenland Shenhua, until the end of the 2019/20 season.
DEPARTURES
Ashley Young was the only player to leave on a permanent basis, after sealing a move to Inter Milan.