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Single-Season ERA Leaderboard | |
* - Indicates Hall of Fame |
Rank | Player | ERA | IP | Year | Career Leaderboard |
1. | Edgardo Castillo * | 1.054 | 281.7 | 2004 | |
2. | James Yim * | 1.243 | 304.0 | 2007 | |
3. | James Yim * | 1.362 | 271.0 | 2011 | |
4. | Aaron Bacon * | 1.372 | 242.7 | 2001 | |
5. | James Yim * | 1.450 | 291.7 | 2008 | |
6. | Ben Lamela | 1.507 | 209.0 | 2019 | |
7. | Leo Cleland * | 1.511 | 220.3 | 2012 | |
8. | Ben Lamela | 1.535 | 240.3 | 2014 | |
9. | James Yim * | 1.557 | 271.7 | 2010 | |
10. | James Yim * | 1.572 | 297.7 | 2009 | |
11. | Danny Day | 1.574 | 257.3 | 2018 | |
12. | Xavier Josephs | 1.591 | 215.0 | 2013 | |
13. | Kevin Smith | 1.602 | 309.0 | 2029 | |
14. | David Echegaray | 1.607 | 280.0 | 2015 | |
15. | Ben Lamela | 1.633 | 226.0 | 2017 | |
16. | Ben Lamela | 1.641 | 241.3 | 2016 | |
17. | Clarence McNatt * | 1.652 | 283.3 | 2008 | |
18. | Robert Garza * | 1.659 | 238.7 | 2010 | |
19. | Allen Sampley | 1.669 | 210.3 | 2013 | |
20. | Edgardo Castillo * | 1.674 | 258.0 | 2005 | |
21. | Clarence McNatt * | 1.675 | 225.7 | 2014 | |
22. | Art Toczek * | 1.695 | 212.3 | 2019 | |
23. | David Echegaray | 1.705 | 227.0 | 2017 | |
24. | James Yim * | 1.721 | 266.7 | 2015 | |
25. | Edgardo Castillo * | 1.742 | 227.3 | 2012 | |
26. | Robert Garza * | 1.742 | 206.7 | 2012 | |
27. | Art Toczek * | 1.763 | 245.0 | 2013 | |
28. | Robert Garza * | 1.770 | 218.7 | 2011 | |
29. | Daniel Peart | 1.778 | 192.3 | 2017 | |
30. | Xalbador Laguna | 1.785 | 237.0 | 2027 | |
31. | Shane Hales | 1.789 | 171.0 | 2025 | |
32. | Joseph Seybert | 1.791 | 211.0 | 2005 | |
33. | Thomas Showers * | 1.794 | 205.7 | 2009 | |
34. | Ben Lamela | 1.800 | 235.0 | 2015 | |
35. | Rusty Skittles | 1.807 | 184.3 | 2017 | |
36. | Edgardo Castillo * | 1.811 | 263.3 | 2007 | |
37. | Kevin Smith | 1.812 | 298.0 | 2028 | |
38. | Chad Schmidt | 1.819 | 227.7 | 2022 | |
39. | Ryan Turner * | 1.828 | 275.7 | 2007 | |
40. | Leo Cleland * | 1.841 | 220.0 | 2014 | |
41. | Ben Lamela | 1.850 | 214.0 | 2013 | |
42. | Kevin Smith | 1.853 | 272.0 | 2025 | |
43. | Adam Burton | 1.858 | 164.7 | 2016 | |
44. | David Echegaray | 1.863 | 246.3 | 2016 | |
45. | Ryan Turner * | 1.867 | 250.7 | 2014 | |
46. | Leo Cleland * | 1.871 | 202.0 | 2011 | |
47. | David Echegaray | 1.881 | 244.0 | 2012 | |
48. | J.J. Cobb | 1.887 | 248.0 | 2011 | |
49. | Samson Steele * | 1.895 | 266.0 | 2000 | |
50. | Lowell Stang * | 1.911 | 183.7 | 2018 | |
51. | Jonathan Alexander | 1.916 | 249.0 | 2023 | |
52. | Robert Garza * | 1.919 | 211.0 | 2008 | |
53. | Aaron Bacon * | 1.927 | 336.3 | 2005 | |
54. | Ben Lamela | 1.940 | 227.3 | 2018 | |
55. | David Echegaray | 1.946 | 259.0 | 2014 | |
56. | Art Toczek * | 1.947 | 212.7 | 2018 | |
57. | Lowell Stang * | 1.957 | 248.3 | 2012 | |
58. | Aaron Bacon * | 1.958 | 331.0 | 2004 | |
59. | David Echegaray | 1.958 | 280.3 | 2013 | |
60. | Tobias Escobar | 1.969 | 256.0 | 2015 | |
61. | Chad Schmidt | 1.974 | 228.0 | 2017 | |
62. | Clarence McNatt * | 1.978 | 223.0 | 2011 | |
63. | Clarence McNatt * | 1.978 | 195.7 | 2007 | |
64. | David Echegaray | 1.981 | 222.7 | 2011 | |
65. | Jose Langlois | 1.983 | 199.7 | 2015 | |
66. | Robert Garza * | 1.987 | 199.3 | 2014 | |
67. | Dirk Carr | 1.990 | 208.0 | 2017 | |
68. | Chad Schmidt | 1.992 | 221.3 | 2023 | |
69. | Robby Butler | 1.997 | 252.3 | 2003 | |
70. | Edgardo Castillo * | 2.009 | 255.3 | 2008 | |
71. | James Yim * | 2.010 | 259.7 | 2012 | |
72. | Leo Cleland * | 2.011 | 250.7 | 2009 | |
73. | William Roberts | 2.019 | 227.3 | 2017 | |
74. | Danny Day | 2.020 | 231.7 | 2021 | |
75. | Leo Cleland * | 2.021 | 236.0 | 2010 | |
76. | Richard San Juan | 2.024 | 262.3 | 2027 | |
77. | Edgardo Castillo * | 2.031 | 257.0 | 2006 | |
78. | James Yim * | 2.032 | 243.7 | 2005 | |
79. | Benjamin Alcala | 2.032 | 261.3 | 2002 | |
80. | Wilfredo Arroyo | 2.038 | 234.0 | 2027 | |
81. | J.J. Cobb | 2.040 | 225.0 | 2014 | |
82. | Scott Bartell | 2.055 | 289.0 | 2009 | |
83. | Ben Lamela | 2.064 | 222.3 | 2020 | |
84. | Roberto Villagomez | 2.066 | 248.3 | 2014 | |
85. | Chad Schmidt | 2.071 | 226.0 | 2019 | |
86. | Andrew Albury | 2.080 | 216.3 | 2008 | |
87. | Steven Williams * | 2.087 | 276.0 | 2008 | |
88. | Richard San Juan | 2.087 | 263.0 | 2020 | |
89. | Lowell Stang * | 2.088 | 241.3 | 2015 | |
90. | Joseph Seybert | 2.090 | 267.0 | 2004 | |
91. | Kevin Smith | 2.095 | 266.3 | 2022 | |
92. | Ralph Ives | 2.096 | 249.0 | 2024 | |
93. | Leonard Lubbers | 2.103 | 214.0 | 2012 | |
94. | Galon Thrace | 2.104 | 252.3 | 2017 | |
95. | Edgardo Castillo * | 2.117 | 225.3 | 2010 | |
96. | Dustin Carrasquillo | 2.121 | 233.3 | 2004 | |
97. | George Aybar | 2.123 | 254.3 | 2010 | |
98. | Ryan Turner * | 2.124 | 296.7 | 2006 | |
99. | Andrew Albury | 2.127 | 249.7 | 2003 | |
100. | Harry Swint | 2.128 | 270.7 | 2003 |
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