Ranking top 6 goalkeepers in every league via xG saved (xG conceded - goals conceded)
1. Oblak: 12.65 (Atletico Madrid)
2. Navas: 9.11 (PSG)
3. Courtois: 8.56 (Real Madrid)
4. Maignan: 7.27 (Lille)
5. Donnarumma: 5.79 (AC Milan)
6. Casteels: 5.21 (Wolfsburg)
(1/4)

7. Bono: 4.92 (Sevilla)
8. Handanovic: 4.89 (Inter Milan)
9. Alisson: 3.84 (Liverpool)
10. Hradecky: 3.18 (Leverkusen)
11. Ter Stegen: 2.70 (FC Barcelona)
12. Fabianski: 1.92 (West Ham)
13. Golini: 1.70 (Atalanta)
14. Mandanda: 1.48 (Marseille)
(2/4)

15. Remiro: 1.31 (Real Sociedad)
16. Lopes: 1.26 (Lyon)
17. Ederson 0.67 (Manchester City)
18. Meret: 0.18 (Napoli)
19. Gulacsi: -0.69 (RB Leipzig)
20. Schmeichel: -1.25 (Leicester City)
21. Szczesny: -1.50 (Juventus)
22. Asenjo: -1.57 (Villarreal)
23. Mendy: 1.75 (Chelsea)
(3/4)

24. De Gea: -2.70 (Manchester United)
25. Reina: -3.33 (Lazio)
26. Neuer: -3.83 (Bayern Munich)
27. Lecomte: -4.17 (AS Monaco)
28. Trapp: -4.24 (Frankfurt)
29. Burki: -6.98 (Borussia Dortmund)
30. Leca: -7.19 (Lens)
(4/4)

This is based on every leagues top 6 by the date of 10 of may 2021 and I have selected the goalkeepers with the most appearances ( sorry Dortmund fans hitz had a way better record than burki )

Also this DOES NOT REFLECT A GOALKEEPER'S ACTUAL QUALITY