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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | J.R. Richard | 0.000 | 1977 | |
| 2 | Matt Young# | 0.293 | 1988 | |
| 3 | Mike Stanton# | 0.450 | 1993 | |
| 4 | Mark Knudson# | 0.563 | 1989 | |
| 5 | Larry McWilliams | 0.720 | 1982 | |
| 6 | Mark Guthrie# | 1.059 | 1992 | |
| 7 | Dennis Leonard | 1.080 | 1979 | |
| 8 | Rudy May | 1.102 | 1977 | |
| 9 | Odell Jones | 1.125 | 1978 | |
| 10 | Marvin Freeman# | 1.174 | 1986 | |
| 11 | Mike Bruhert | 1.191 | 1979 | |
| 12 | Joe Johnson# | 1.216 | 1990 | |
| 13 | Bruce Kison | 1.256 | 1976 | |
| 14 | Rick Rhoden | 1.286 | 1983 | |
| 15 | Rick Reuschel | 1.337 | 1978 | |
| 16 | Bruce Hurst# | 1.392 | 1989 | |
| 17 | Dennis Eckersley | 1.406 | 1980 | |
| 18 | Curt Schilling# | 1.479 | 1994 | |
| 19 | Mike Scott | 1.486 | 1986 | |
| 20 | Tom Seaver | 1.512 | 1978 | |
| 21 | Kip Young | 1.588 | 1980 | |
| 21 | Bill C. Swift# | 1.588 | 1994 | |
| 21 | Bill Gullickson# | 1.588 | 1985 | |
| 21 | John Candelaria | 1.588 | 1976 | |
| 21 | J.R. Richard | 1.588 | 1978 | |
| 26 | Frank Tanana | 1.604 | 1980 | |
| 27 | Scott Garrelts# | 1.627 | 1986 | |
| 28 | Atlee Hammaker | 1.653 | 1982 | |
| 29 | Matt Young# | 1.667 | 1987 | |
| 30 | Teddy Higuera# | 1.688 | 1987 | |
| 30 | Dwight Gooden# | 1.688 | 1991 | |
| 30 | Mike LaCoss | 1.688 | 1982 | |
| 30 | David Wells# | 1.688 | 1991 | |
| 34 | Todd Van Poppel# | 1.705 | 1992 | |
| 35 | Silvio Martinez | 1.714 | 1982 | |
| 35 | Kevin Appier# | 1.714 | 1993 | |
| 37 | Steve Hargan | 1.723 | 1977 | |
| 38 | Steve Avery# | 1.731 | 1991 | |
| 39 | Ed Correa# | 1.761 | 1991 | |
| 40 | Ken Brett | 1.800 | 1976 | |
| 41 | Greg Maddux# | 1.820 | 1993 | |
| 42 | Mike Harkey# | 1.841 | 1993 | |
| 43 | Frank Viola# | 1.849 | 1989 | |
| 44 | Atlee Hammaker | 1.871 | 1985 | |
| 45 | Joe Johnson# | 1.875 | 1989 | |
| 46 | Andy Rincon# | 1.913 | 1981 | |
| 47 | John Smoltz# | 1.929 | 1992 | |
| 48 | Bret Saberhagen# | 1.952 | 1987 | |
| 49 | Jimmy Key# | 1.976 | 1987 | |
| 50 | Bruce Hurst# | 2.019 | 1987 | |
| 51 | Frank Viola# | 2.038 | 1987 | |
| 52 | Matt Young# | 2.077 | 1984 | |
| 52 | Doc Medich | 2.077 | 1976 | |
| 52 | Tommy John | 2.077 | 1978 | |
| 55 | Roger Erickson | 2.118 | 1986 | |
| 55 | Jerry Reuss | 2.118 | 1978 | |
| 57 | Silvio Martinez | 2.132 | 1983 | |
| 58 | Steve Rogers | 2.146 | 1977 | |
| 59 | Mickey Lolich | 2.160 | 1976 | |
| 60 | John Montague | 2.177 | 1976 | |
| 61 | Floyd Youmans# | 2.204 | 1992 | |
| 61 | Fernando Valenzuela# | 2.204 | 1980 | |
| 63 | Jose Rijo# | 2.213 | 1988 | |
| 64 | Jerry Reuss | 2.227 | 1982 | |
| 65 | Dwight Gooden# | 2.234 | 1992 | |
| 66 | Jose DeLeon# | 2.250 | 1985 | |
| 66 | Ken Brett | 2.250 | 1977 | |
| 66 | Rick Sutcliffe | 2.250 | 1981 | |
| 66 | Silvio Martinez | 2.250 | 1981 | |
| 66 | Mike Scott | 2.250 | 1987 | |
| 71 | Doug Drabek# | 2.274 | 1988 | |
| 72 | Danny Jackson# | 2.348 | 1986 | |
| 73 | Frank Viola# | 2.374 | 1985 | |
| 74 | Steve Avery# | 2.382 | 1992 | |
| 75 | Floyd Youmans# | 2.389 | 1993 | |
| 76 | Gaylord Perry | 2.400 | 1977 | |
| 76 | Charlie Hough | 2.400 | 1978 | |
| 78 | Joe Hesketh# | 2.418 | 1988 | |
| 78 | Kevin Brown# | 2.418 | 1993 | |
| 78 | Randy Johnson# | 2.418 | 1994 | |
| 81 | Reggie Cleveland | 2.475 | 1977 | |
| 82 | Matt Young# | 2.500 | 1990 | |
| 82 | Greg Maddux# | 2.500 | 1990 | |
| 84 | Randy Johnson# | 2.520 | 1992 | |
| 85 | Reggie Cleveland | 2.560 | 1976 | |
| 86 | Wayne Garland | 2.571 | 1979 | |
| 87 | Mike LaCoss | 2.585 | 1986 | |
| 87 | Roger Erickson | 2.585 | 1981 | |
| 89 | John Candelaria | 2.596 | 1984 | |
| 89 | Tony Brizzolara | 2.596 | 1988 | |
| 91 | Randy Johnson# | 2.607 | 1991 | |
| 92 | Rick Jones | 2.613 | 1980 | |
| 93 | Atlee Hammaker | 2.621 | 1987 | |
| 94 | Vida Blue* | 2.641 | 1981 | |
| 95 | Jeff D. Robinson# | 2.700 | 1988 | |
| 95 | Steve Carlton | 2.700 | 1976 | |
| 95 | Jon Matlack* | 2.700 | 1978 | |
| 98 | Tim Belcher# | 2.739 | 1992 | |
| 99 | Joe Johnson# | 2.755 | 1994 | |
| 99 | Ken Dayley | 2.755 | 1987 |
