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|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Zach Petrick# | 1.66 | 2018-2025 | |
| 2 | Joe Gray# | 1.76 | 2023-2025 | |
| 3 | Jose Urena# | 2.63 | 2018-2025 | |
| 4 | Alex Claudio# | 2.66 | 2015-2025 | |
| 5 | Cole Hamels | 2.90 | 2015-2022 | |
| 6 | Dan Stevens# | 2.93 | 2022-2025 | |
| 7 | Anthony Molina# | 2.94 | 2022-2025 | |
| 8 | Aaron Blair# | 3.00 | 2020-2025 | |
| 8 | Justin De Fratus# | 3.00 | 2015-2024 | |
| 10 | Chris Sale# | 3.05 | 2015-2025 | |
| 11 | Madison Bumgarner# | 3.06 | 2015-2022 | |
| 12 | Carter Capps# | 3.13 | 2015-2025 | |
| 13 | Marcus Stroman# | 3.24 | 2015-2025 | |
| 14 | Kelvin Herrera | 3.38 | 2015-2025 | |
| 15 | Zack Greinke | 3.42 | 2015-2018 | |
| 16 | Alex Wood# | 3.56 | 2015-2025 | |
| 17 | Masahiro Tanaka | 3.57 | 2015-2024 | |
| 18 | Jose Fernandez# | 3.58 | 2015-2025 | |
| 19 | Kolby Allard# | 3.62 | 2020-2025 | |
| 20 | Jackson Kowar# | 3.70 | 2019-2025 | |
| 20 | Jake Thompson# | 3.70 | 2018-2025 | |
| 22 | Matt Krook# | 3.82 | 2020-2025 | |
| 23 | Matt Harvey | 3.90 | 2015-2023 | |
| 24 | Alex Reyes# | 4.06 | 2020-2025 | |
| 25 | Carlos Martinez | 4.09 | 2015-2023 | |
| 25 | Matt Wisler# | 4.09 | 2016-2025 | |
| 27 | Jake Arrieta | 4.24 | 2015-2021 | |
| 28 | Sonny Gray# | 4.30 | 2015-2025 | |
| 29 | Jordan Walden# | 4.37 | 2015-2025 | |
| 30 | Kensaku Yamaguchi# | 4.54 | 2023-2025 | |
| 31 | Toby Kelly# | 4.58 | 2022-2025 | |
| 32 | Aaron Slegers# | 4.69 | 2019-2025 | |
| 33 | Noah Syndergaard# | 4.94 | 2015-2025 | |
| 34 | Stephen Strasburg | 5.29 | 2015-2021 | |
| 35 | Noah Murdock# | 5.40 | 2023-2025 | |
| 35 | Grayson Garvin# | 5.40 | 2017-2025 | |
| 37 | Shelby Miller# | 5.44 | 2015-2025 | |
| 38 | Jerad Eickhoff# | 5.45 | 2016-2025 | |
| 39 | Aaron Nola# | 5.62 | 2015-2025 | |
| 40 | Robby Stone# | 5.67 | 2020-2025 | |
| 41 | Takahiro Norimoto# | 6.68 | 2019-2025 | |
| 42 | Ben Jordan# | 6.69 | 2021-2025 | |
| 43 | Sandy Koufax# | 7.57 | 1955-2025 |
