We've taken a look (via Transfermarkt data) at how Middlesbrough's five-year transfer net spend compares to every other Championship side, along with each teams most expensive signing over the period. Here's where Boro rank in the intriguing spending league table:
9. Derby County - +£8m net spend last five seasons
Biggest season net spend: -£6.2m. Highest transfer fee paid: £8m for Matej Vydra from Watford in 2018. Photo: Tony Marshall
10. Nottingham Forest - +£7.5m net spend last five seasons
Biggest season net spend: -£23.6m. Highest transfer fee paid: £13.2m for Joao Carvalho from x in x. Photo: Alex Davidson
11. Blackburn Rovers - +£5.4m net spend last five seasons
Biggest season net spend: -£2.8m. Highest transfer fee paid: £5m for Sam Gallagher from Southampton in 2019. Photo: Jan Kruger
12. Coventry City - +£5.1m net spend last five seasons
Biggest season net spend: -£1.4m. Highest transfer fee paid: £1.5m for Gustavo Hamer from PEC Zwolle in 2020. Photo: Nathan Stirk