Graham Potter has already strengthened his squad for the 2020/21 Premier League season, however with four weeks of the window remaining, there is still room for plenty more.
In the meantime, scroll and click through the pages to see how Albion's transfer business so far compares to their top-flight rivals:
17. TOTTENHAM HOTSPUR
IN: Pierre-Emile Hojbjerg (Southampton), Joe Hart (Burnley), Matt Doherty (Wolves). OUT: Jan Vertonghen (Benfica), Kyle Walker-Peters (Southampton), Luke Amos (QPR), Troy Parrott - loan (Millwall), Oliver Skipp - loan (Norwich), Victor Wanyama (Montreal Impact). Photo: Pool
18. WEST BROMWICH ALBION
IN: Matheus Pereira (Sporting Lisbon). OUT: Jonathan Leko (Birmingham). Photo: David Rogers
19. WEST HAM UNITED
IN: Tomas Soucek (Slavia Prague). OUT: Jordan Hugill (Norwich), Jeremy Ngakia (Watford), Albian Ajeti (Celtic), Sead Haksabanovic (IFK Norrkoping), Carlos Sanchez (free agent), Pablo Zabaleta (free agent), Roberto (Real Valladolid). Photo: ADAM DAVY
20. WOLVERHAMPTON WANDERERS
IN: - OUT: Helder Costa (Leeds), Morgan Gibbs-White (Swansea), Jordan Graham (Gillingham), Tsun Dai (Shenzhen), Ryan Giles - loan (Coventry) Matt Doherty (Tottenham), Cameron John (Doncaster), Matija Sarkic - loan (Shrewsbury). Photo: INA FASSBENDER