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Rockies All-Time Leaders
ERA

1
Profile photo of Pedro Astacio

Pedro Astacio

1997-2001

5.43

2
Profile photo of Jamey Wright

Jamey Wright

1996-2005

5.40

3
Profile photo of Kevin Ritz

Kevin Ritz

1994-1998

5.20

4
Profile photo of Shawn Chacon

Shawn Chacon

2001-2005

5.20

5
Profile photo of Chad Bettis

Chad Bettis

2013-2019

5.12

6
Profile photo of John Thomson

John Thomson

1997-2002

5.01

7
Profile photo of Jeff Francis

Jeff Francis

2004-2013

4.96

8
Profile photo of Antonio Senzatela

Antonio Senzatela

2017-2021

4.84

9
Profile photo of Jason Jennings

Jason Jennings

2001-2006

4.74

10
Profile photo of Armando Reynoso

Armando Reynoso

1993-1996

4.65

11
Profile photo of Jason Hammel

Jason Hammel

2009-2011

4.63

12
Profile photo of Jon Gray

Jon Gray

2015-2021

4.59

13
Profile photo of Aaron Cook

Aaron Cook

2002-2011

4.53

14
Profile photo of Jorge De La Rosa

Jorge De La Rosa

2008-2016

4.35

15
Profile photo of German Marquez

German Marquez

2016-2021

4.28

16
Profile photo of Kyle Freeland

Kyle Freeland

2017-2021

4.20

17
Profile photo of Tyler Chatwood

Tyler Chatwood

2012-2017

4.18

18
Profile photo of Jhoulys Chacin

Jhoulys Chacin

2009-2021

3.83

19
Profile photo of Ubaldo Jimenez

Ubaldo Jimenez

2006-2011

3.66