The top 20 managers ranked by career transfer spend

Below are the top 20 managers, currently in work, ranked in terms of career transfer expenditure. All figures are from the lovely and beautiful transfermarkt. And again, retired managers are not included. Deal with it.
20. Rudi Garcia
Clubs: Seven
Titles: Two
Players purchased: 76
Expenditure: £329.97m
19. Luciano Spalletti
Clubs: Nine
Titles: Seven
Players purchased: 69
Expenditure: £333.12m
18. Diego Simeone
Clubs: Seven
Titles: Five
Players purchased: 49
Expenditure: £339.61m
17. Andre Villas-Boas
Clubs: Six
Titles: Seven
Players purchased: 40
Expenditure: £358.97m
16. Brendan Rodgers
Clubs: Five
Titles: Two
Players purchased: 55
Expenditure: £366.73m
15. Luis Enrique
Clubs: Three
Titles: Eight
Players purchased: 34
Expenditure: £371.05m
14. Sven-Goran Eriksson
Clubs: 13
Titles: 18
Players purchased: 59
Expenditure: £399.99m
13. Mark Hughes
Clubs: Five
Titles: This is awkward…
Players purchased: 54
Expenditure: £405m
12. Fabio Capello
Clubs: Six
Titles: 13
Players purchased: 58
Expenditure: £453.13m
11. Marcelo Lippi
Clubs: 12
Titles: 19
Players purchased: 54
Expenditure: £470.33m
10. Massimiliano Allegri
Clubs: Seven
Titles: Eight
Players purchased: 67
Expenditure: £493.68m
9. Louis van Gaal
Clubs: Six
Titles: 20
Players purchased: 64
Expenditure: £542.07m
8. Rafael Benitez
Clubs: Ten
Titles: 12
Players purchased: 80
Expenditure: £567.11m
7. Roberto Mancini
Clubs: Six
Titles: 13
Players purchased: 66
Expenditure: £579.9m
6. Pep Guardiola
Clubs: Three
Titles: 21
Players purchased: 40
Expenditure: £644.73m
5. Claudio Ranieri
Clubs: 15
Titles: Seven
Players purchased: 88
Expenditure: £657.46m
4. Arsene Wenger
Clubs: Four
Titles: 17
Players purchased: 98
Expenditure: £687.12m
3. Manuel Pellegrini
Clubs: 13
Titles: Four
Players purchased: 72
Expenditure: £794.1m
2. Carlo Ancelotti
Clubs: Eight
Titles: 17
Players purchased: 74
Expenditure: £876m
1. Jose Mourinho
Clubs: Eight
Titles: 32
Players purchased: 90
Expenditure: £1.08bn