 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | ERA | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Billy Loes | 1.424 | 1998 | |
| 2 | Jordan Montgomery | 1.568 | 1989 | |
| 3 | Dave Rozema | 1.576 | 1982 | |
| 4 | Dave Rozema | 1.655 | 1984 | |
| 5 | Kevin Jarvis# | 1.688 | 1999 | |
| 6 | Sonny Siebert# | 1.721 | 1998 | |
| 7 | George G Bell | 1.733 | 1996 | |
| 8 | Tim Lollar | 1.742 | 1983 | |
| 9 | Rick Sutcliffe | 1.748 | 1981 | |
| 10 | Randy Lerch | 1.757 | 1986 | |
| 11 | Phil Niekro | 1.782 | 1981 | |
| 12 | Bill Steele# | 1.810 | 1996 | |
| 12 | Harry Kimberlin | 1.810 | 1995 | |
| 14 | Allen Ripley | 1.831 | 1984 | |
| 15 | Tony Freitas# | 1.862 | 1998 | |
| 15 | Richard Dotson | 1.862 | 1981 | |
| 15 | Roger Clemens# | 1.862 | 1982 | |
| 18 | Happy Townsend# | 1.896 | 1984 | |
| 19 | Fred Johnson | 1.926 | 1997 | |
| 20 | Fred Hutchinson# | 1.942 | 1998 | |
| 21 | Henry Owens# | 1.948 | 1996 | |
| 22 | Gus Thompson# | 1.953 | 1996 | |
| 23 | Gene Bearden# | 1.964 | 1998 | |
| 24 | Pedro Ramos# | 1.972 | 1994 | |
| 25 | Fred Johnson | 1.984 | 1998 | |
| 26 | Roger Erickson | 1.989 | 1983 | |
| 27 | Miles Mikolas# | 1.994 | 1995 | |
| 28 | Dan Petry | 2.005 | 1981 | |
| 29 | Pedro Ramos# | 2.008 | 1996 | |
| 30 | Bruce Hurst | 2.009 | 1982 | |
| 31 | Chris R Young# | 2.011 | 1999 | |
| 32 | David Clyde# | 2.024 | 1987 | |
| 33 | Ken Gables# | 2.032 | 1991 | |
| 34 | Gus Thompson# | 2.077 | 1997 | |
| 35 | Jack Fisher# | 2.090 | 1996 | |
| 36 | Steve Stone | 2.108 | 1984 | |
| 37 | Kevin Appier# | 2.120 | 1988 | |
| 38 | Allen Ripley | 2.158 | 1982 | |
| 39 | Bill Drake | 2.167 | 1987 | |
| 40 | Aaron Harang# | 2.198 | 1998 | |
| 41 | Dave Rozema | 2.208 | 1985 | |
| 42 | Russ Ortiz# | 2.209 | 1998 | |
| 43 | Bill Travers# | 2.213 | 1995 | |
| 44 | Rollie Sheldon# | 2.214 | 1997 | |
| 45 | Ed Lynch | 2.228 | 1988 | |
| 45 | Henry Boyle# | 2.228 | 1994 | |
| 47 | Pete Falcone | 2.231 | 1982 | |
| 48 | Bob Muncrief# | 2.235 | 1997 | |
| 49 | Eric Show | 2.250 | 1994 | |
| 49 | Lum Harris | 2.250 | 1995 | |
| 51 | Craig Swan# | 2.262 | 1992 | |
| 52 | Dutch E Leonard# | 2.265 | 1997 | |
| 53 | Allen Ripley | 2.309 | 1983 | |
| 54 | Harry Kimberlin | 2.313 | 1986 | |
| 55 | Ross Baumgarten | 2.323 | 1981 | |
| 56 | Kyle Gibson# | 2.325 | 1999 | |
| 57 | Craig Swan# | 2.326 | 1991 | |
| 58 | Steven Matz | 2.334 | 1986 | |
| 59 | Erv Brame | 2.352 | 1995 | |
| 60 | Bob Walk | 2.381 | 1994 | |
| 61 | Charlie Lea | 2.387 | 1994 | |
| 62 | Curt Young# | 2.389 | 1995 | |
| 63 | Nick Blackburn# | 2.409 | 1997 | |
| 64 | Bob Muncrief# | 2.412 | 1996 | |
| 65 | Dave Rozema | 2.413 | 1983 | |
| 66 | Curt Young# | 2.429 | 1996 | |
| 67 | Sean Manaea# | 2.432 | 1995 | |
| 68 | Chuck Rainey | 2.435 | 1983 | |
| 69 | Bill Travers# | 2.449 | 1997 | |
| 70 | Jack Harper# | 2.455 | 1997 | |
| 70 | Bob Shirley | 2.455 | 1982 | |
| 72 | Tex Clevenger | 2.459 | 1994 | |
| 73 | Brian Kingman | 2.460 | 1981 | |
| 74 | Bill Wegman# | 2.464 | 1999 | |
| 74 | Nick Strincevich# | 2.464 | 1997 | |
| 76 | Pat Zachry | 2.470 | 1981 | |
| 77 | Jordan M Zimmermann# | 2.480 | 1991 | |
| 78 | Nick Strincevich# | 2.489 | 1998 | |
| 79 | Charlie Lea | 2.492 | 1987 | |
| 80 | Fred Johnson | 2.503 | 1994 | |
| 81 | Bruce Kison | 2.506 | 1981 | |
| 82 | Ed Whitson | 2.521 | 1992 | |
| 83 | Milt Wilcox | 2.527 | 1981 | |
| 84 | Fred Johnson | 2.544 | 1995 | |
| 85 | Ubaldo Jimenez# | 2.555 | 1995 | |
| 86 | Allan Anderson# | 2.568 | 1997 | |
| 87 | Nick Blackburn# | 2.569 | 1999 | |
| 88 | Fred Johnson | 2.579 | 1990 | |
| 89 | Ted Trent | 2.589 | 1993 | |
| 90 | Jeff Weaver# | 2.600 | 1997 | |
| 91 | Ed Figueroa | 2.602 | 1991 | |
| 92 | Connie Johnson# | 2.605 | 1998 | |
| 93 | Luis Leal | 2.615 | 1985 | |
| 94 | Andy Hassler# | 2.621 | 1997 | |
| 95 | Mike Kekich# | 2.622 | 1997 | |
| 96 | Kenta Maeda | 2.626 | 1985 | |
| 96 | Russ Ortiz# | 2.626 | 1999 | |
| 98 | Jim LaMarque# | 2.640 | 1995 | |
| 99 | Jose Acevedo# | 2.647 | 1998 | |
| 100 | Frank Funk | 2.655 | 1991 |
