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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | H9 | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Nolan Ryan | 4.250 | 1977 | |
| 2 | Pedro Martinez# | 4.586 | 1994 | |
| 3 | Dwight Gooden# | 4.701 | 1991 | |
| 4 | Pedro Martinez# | 4.806 | 1996 | |
| 5 | Pedro Martinez# | 4.997 | 1997 | |
| 6 | Ed Correa# | 5.052 | 1991 | |
| 7 | Randy Johnson# | 5.266 | 1991 | |
| 8 | Dwight Gooden# | 5.419 | 1988 | |
| 9 | John Smoltz# | 5.426 | 1991 | |
| 10 | Ed Correa# | 5.454 | 1988 | |
| 11 | Randy Johnson# | 5.476 | 1989 | |
| 12 | Ed Correa# | 5.556 | 1989 | |
| 13 | Pedro Martinez# | 5.560 | 1993 | |
| 14 | Tom Seaver | 5.585 | 1978 | |
| 15 | Floyd Youmans# | 5.627 | 1989 | |
| 16 | Ed Correa# | 5.699 | 1992 | |
| 17 | Floyd Youmans# | 5.751 | 1992 | |
| 18 | Kevin Brown# | 5.811 | 1988 | |
| 19 | Takehiro Ishii# | 5.840 | 1995 | |
| 20 | Floyd Youmans# | 5.865 | 1986 | |
| 21 | John Smoltz# | 5.867 | 1996 | |
| 22 | Randy Johnson# | 5.871 | 1996 | |
| 23 | Pedro Martinez# | 5.898 | 1995 | |
| 24 | Pedro Martinez# | 5.917 | 1992 | |
| 25 | Randy Johnson# | 5.936 | 1992 | |
| 26 | Randy Johnson# | 5.938 | 1995 | |
| 27 | Roger Clemens# | 5.954 | 1993 | |
| 28 | Chuck Finley# | 5.983 | 1989 | |
| 29 | Jose Rijo# | 6.008 | 1992 | |
| 30 | J.R. Richard | 6.035 | 1983 | |
| 31 | Ed Correa# | 6.046 | 1987 | |
| 32 | Curt Schilling# | 6.057 | 1992 | |
| 33 | Randy Johnson# | 6.064 | 1997 | |
| 34 | Floyd Youmans# | 6.065 | 1991 | |
| 35 | Ed Correa# | 6.097 | 1986 | |
| 36 | Roger Clemens# | 6.110 | 1995 | |
| 37 | Dwight Gooden# | 6.116 | 1992 | |
| 37 | Randy Johnson# | 6.116 | 1993 | |
| 39 | Ramon J. Martinez# | 6.144 | 1996 | |
| 40 | Floyd Youmans# | 6.149 | 1997 | |
| 41 | Jose Rijo# | 6.161 | 1997 | |
| 42 | Dwight Gooden# | 6.169 | 1985 | |
| 43 | Floyd Youmans# | 6.174 | 1987 | |
| 44 | Kevin Brown# | 6.180 | 1991 | |
| 45 | Greg Maddux# | 6.181 | 1993 | |
| 46 | Dwight Gooden# | 6.182 | 1984 | |
| 47 | John Smoltz# | 6.183 | 1992 | |
| 48 | Ed Correa# | 6.185 | 1995 | |
| 49 | Greg Maddux# | 6.192 | 1988 | |
| 50 | Greg Maddux# | 6.222 | 1991 | |
| 51 | Kevin Appier# | 6.226 | 1993 | |
| 52 | Chuck Finley# | 6.234 | 1988 | |
| 53 | Jose DeLeon# | 6.236 | 1985 | |
| 54 | Jerry Koosman | 6.247 | 1976 | |
| 55 | Todd Van Poppel# | 6.254 | 1992 | |
| 56 | Dwight Gooden# | 6.259 | 1987 | |
| 57 | Al Leiter# | 6.266 | 1996 | |
| 58 | Scott Sanders# | 6.271 | 1995 | |
| 59 | Matt Young# | 6.274 | 1988 | |
| 60 | Steve Carlton | 6.285 | 1978 | |
| 61 | Kevin Brown# | 6.290 | 1994 | |
| 62 | J.R. Richard | 6.304 | 1976 | |
| 63 | Ramon J. Martinez# | 6.310 | 1993 | |
| 64 | Roger Clemens# | 6.311 | 1989 | |
| 65 | Pete Falcone | 6.315 | 1981 | |
| 66 | Mike Mussina# | 6.320 | 1996 | |
| 67 | Bill Pulsipher# | 6.321 | 1997 | |
| 68 | Kevin Brown# | 6.324 | 1993 | |
| 69 | Teddy Higuera# | 6.335 | 1990 | |
| 70 | Dwight Gooden# | 6.343 | 1986 | |
| 71 | Ed Correa# | 6.356 | 1985 | |
| 72 | Randy Johnson# | 6.359 | 1990 | |
| 73 | Dwight Gooden# | 6.371 | 1990 | |
| 74 | Scott Garrelts# | 6.375 | 1988 | |
| 75 | Roger Clemens# | 6.379 | 1992 | |
| 76 | Jose DeLeon# | 6.388 | 1988 | |
| 77 | David West# | 6.391 | 1992 | |
| 78 | Jose DeLeon# | 6.395 | 1986 | |
| 79 | Curt Schilling# | 6.423 | 1991 | |
| 80 | Jose DeLeon# | 6.429 | 1987 | |
| 81 | Randy Johnson# | 6.439 | 1994 | |
| 82 | Bob Sebra# | 6.441 | 1995 | |
| 83 | Dennis Eckersley | 6.448 | 1978 | |
| 84 | Dwight Gooden# | 6.451 | 1989 | |
| 85 | Floyd Youmans# | 6.457 | 1993 | |
| 86 | Al Leiter# | 6.460 | 1997 | |
| 87 | Dwight Gooden# | 6.464 | 1997 | |
| 88 | Andy Pettitte# | 6.471 | 1996 | |
| 89 | John Mitchell# | 6.490 | 1995 | |
| 90 | Greg Maddux# | 6.497 | 1994 | |
| 91 | Willie Banks# | 6.502 | 1992 | |
| 92 | Dwight Gooden# | 6.516 | 1994 | |
| 93 | Scott Sanders# | 6.536 | 1996 | |
| 93 | Matt Young# | 6.536 | 1986 | |
| 93 | Kevin Brown# | 6.536 | 1989 | |
| 96 | Joe Hesketh | 6.539 | 1987 | |
| 96 | Roger Clemens# | 6.539 | 1994 | |
| 98 | Zane Smith# | 6.541 | 1986 | |
| 99 | Roger Clemens# | 6.543 | 1991 | |
| 100 | Ron Robinson# | 6.547 | 1987 |
