 |
|
|
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Postseason Leaderboard |
|---|---|---|---|---|
| 1 | Henry Cluett# | 1.149 | 2029-2030 | |
| 2 | José Flores# | 1.392 | 2034-2034 | |
| 3 | Tsurayuki Harada# | 1.428 | 2029-2040 | |
| 4 | René Padilla# | 1.436 | 2034-2034 | |
| 5 | Sebastiaan de Roode# | 1.444 | 2032-2033 | |
| 6 | Monzaemon Nakashima# | 1.467 | 2032-2032 | |
| 7 | Lou Butler# | 1.699 | 2029-2040 | |
| 8 | Erik Watson | 1.728 | 2024-2039 | |
| 9 | Joe Russell# | 1.761 | 2028-2037 | |
| 10 | Huibrecht Ubbens | 1.929 | 2032-2036 | |
| 11 | Domingo Vázquez | 1.954 | 2027-2036 | |
| 12 | Adam Pemberton# | 1.984 | 2027-2040 | |
| 13 | Roberto Ruíz# | 2.020 | 2034-2036 | |
| 14 | Alfredo Zambrano | 2.032 | 2023-2025 | |
| 15 | Skip Hathaway# | 2.112 | 2033-2036 | |
| 16 | León Vallés | 2.160 | 2009-2013 | |
| 17 | Armando Sánchez# | 2.314 | 2036-2036 | |
| 18 | Dean Makepeace# | 2.382 | 2032-2033 | |
| 19 | Alfredo Reyes | 2.492 | 2027-2036 | |
| 20 | Kikaku Suzuki | 2.543 | 2022-2030 | |
| 21 | Fernando García | 2.547 | 2032-2035 | |
| 22 | Barney Stone# | 2.580 | 2028-2038 | |
| 23 | Barney Swanson# | 2.647 | 2027-2038 | |
| 24 | Izumo Kondo | 2.755 | 2025-2031 | |
| 25 | Min-zhong Lou# | 2.793 | 2034-2035 | |
| 26 | Marcel Osterhout# | 2.842 | 2029-2040 | |
| 27 | Marcos Alcorta | 2.885 | 2025-2030 | |
| 28 | Pedro Torres# | 2.899 | 2027-2040 | |
| 29 | Jorge Flores# | 2.983 | 2033-2034 | |
| 30 | Robinson Hernández# | 3.072 | 2028-2038 | |
| 31 | Arlen Badger# | 3.124 | 2027-2039 | |
| 32 | Andrew Burns | 3.166 | 2021-2033 | |
| 33 | Félix Córdova | 3.224 | 2023-2035 | |
| 34 | Pasquale Richelmi# | 3.231 | 2035-2039 | |
| 35 | Robbie Dupuis# | 3.375 | 2028-2040 | |
| 35 | Eisuke Sanu | 3.375 | 2020-2023 | |
| 35 | Seiichi Sakaguchi# | 3.375 | 2032-2033 | |
| 38 | Luis Miguel Freitas# | 3.423 | 2035-2040 | |
| 39 | Jim Fish | 3.477 | 2024-2037 | |
| 40 | Trey Calder# | 3.484 | 2031-2037 | |
| 41 | Barney Stevens | 3.547 | 2027-2035 | |
| 42 | Héctor Ventura# | 3.616 | 2033-2035 | |
| 43 | Luis Cavazos# | 3.757 | 2035-2036 | |
| 44 | Tadakuni Suzuki | 3.823 | 2024-2037 | |
| 45 | Brock Barrett | 3.857 | 2012-2025 | |
| 46 | Lúcio Saldaña# | 3.951 | 2035-2039 | |
| 47 | Donald Lesher# | 3.979 | 2028-2033 | |
| 48 | Felipe Aguilera# | 4.034 | 2037-2040 | |
| 49 | Emílio Martínez# | 4.133 | 2032-2037 | |
| 50 | Kitahachi Noda# | 4.459 | 2024-2040 | |
| 51 | Frank Ridell# | 4.573 | 2030-2035 | |
| 52 | Juan Jose Patino | 4.590 | 2024-2038 | |
| 53 | Fernando Castro# | 4.812 | 2021-2039 | |
| 54 | Seong-chae Somun# | 5.769 | 2029-2039 | |
| 55 | Jin-hyun Park# | 5.824 | 2026-2039 | |
| 56 | Alonso González# | 6.532 | 2034-2040 | |
| 57 | Darryl McClendon | 6.606 | 2017-2022 |
