The Premier League managers who have MOST improved squad value - where do the bosses of Burnley, Sheffield United and Leeds United rank?
Sheffield United manager Chris Wilder has increased his squad's value by a staggering 1,775.4% according to the European Football Index, a study by BetVictor.
That figure is the highest of any current Premier League manager by some distance, and the seventh biggest value increase in Europe's top divisions over the last decade.
During his five years in charge, Wilder has taken Sheffield United' s value from £7.66m to £143.6m, ahead of Burnley's Sean Dyche who has the second best record on squad value improvement, with an increase of 535.2%.
Nuno Espirito Santos has the third best record, taking his team's value from just over £80m to over £300m, while Jurgen Klopp and Dean Smith complete the top five.
At the other end of the spectrum, David Moyes' West Ham have lost the most value, with squad worth dropping by 23.9% since he took charge, while Jose Mourinho has also seen Spurs' value drop by 15.8%.
You can view the full set of data here.