Here's how Sheffield United's estimated summer spending compares with every other team in the Premier League, ranked from top to bottom, with figures partly provided by Transfermarkt...
17. Burnley - £8.5m
Most expensive signing: Jay Rodriguez from West Bromwich Albion - £5m. (Photo by Alex Livesey/Getty Images) Photo: Alex Livesey
18. Crystal Palace - £5.5m
Most expensive signing: James McCarthy from Everton - £3m. (Photo by Tony Marshall/Getty Images) Photo: Tony Marshall
19. Liverpool - £1.3m
Most expensive signing: Sepp van der Berg from PEC Zwolle - £1.3m. (Photo by Michael Regan/Getty Images) Photo: Michael Regan
20. Norwich City - £1m
Most expensive signing: Sam Byram from West Ham United - £750k. (Photo by Catherine Ivill/Getty Images) Photo: Catherine Ivill