MLB Leaders - ERA Relief Pitchers (Decade Totals)

* Minimum 300 Relief Appearances

1. Jonathan Papelbon 1.84
2. Mariano Rivera 2.08
3. Billy Wagner 2.40
4. Francisco Rodriguez 2.53
-- Joe Nathan 2.53
6. Trevor Hoffman 2.77
7. Chad Cordero 2.78
8. Huston Street 2.91
9. Jason Isringhausen 3.03
-- Scott Shields 3.03
11. Keith Foulke 3.04
12. Bob Wickman 3.08
13. Armando Benitez 3.12
14. Kaz Sasaski 3.14
--- Chad Bradford 3.14
16. Francisco Cordero 3.17
--- Jose Valverde 3.17
18. Bobby Jenks 3.21
19. Arthur Rhodes 3.22
20. JJ Putz 3.24
--- LaTroy Hawkins 3.24