While the Hammers have forked out £53m in transfers for four players they have received £54m for eight unwanted players in return.
Inbound 2017/2018 season
Marko Arnautovic £24m
Javier Henandez £16m
Jordan Hugill £10m
Sead Haksabanovic £3m
Total: £53m
Outbound 2017/2018 season
Andre Ayew £20m
Diafra Sakho £6m
Ashley Flecther £6m
Darren Randolph £5m
Enner Valencia £5m
Havard Nordveit £4m
Sofiane Feghouli £4m
Jose Fonte £4m
Total £54m
Previous seasons net spend
2016/2017 Season Spent £62m Sold £36m Net spend £26m
IN: Ayew £21m, Lanzini £11m, Snodgrass £10m, Fonte £8m, Masuaku £6m, Fernandez £6m
OUT: Payet £26m, Tomkins £10m
2015/2016 Season Spent £46m Sold £17m Net Spend £29m
IN: Payet £13m, Ogbonna £10m, Antonio £8m, Obiang £6m, Byram £4m, Jelavic £4m, Hendrie £1m
OUT: Downing £7m, Maiga £4m, Jarvis £3m, Zarate £2m, Jelavic £1m
2014/2015 Season Spent £30m Sold £4m Net Spend £26m
IN: Valencia £13m, Kouyate £5m, Sakho £5m, Cresswell £4m, Henry £2m, Amalfitano £1m
OUT: Diame £4m
Net spend over four years = £80m