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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | K9 | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Randy Johnson# | 12.1 | 1989-1994 | |
| 2 | Ed Correa# | 11.3 | 1985-1994 | |
| 3 | Curt Schilling# | 10.0 | 1991-1994 | |
| 4 | John Smoltz# | 9.9 | 1988-1994 | |
| 5 | Dwight Gooden# | 9.8 | 1984-1994 | |
| 6 | Nolan Ryan | 9.7 | 1976-1987 | |
| 7 | Mark Clear# | 9.4 | 1979-1994 | |
| 8 | Floyd Youmans# | 9.2 | 1985-1994 | |
| 8 | Wilson Alvarez# | 9.2 | 1990-1994 | |
| 10 | Juan Nieves# | 9.1 | 1986-1994 | |
| 11 | Al Leiter# | 8.9 | 1988-1994 | |
| 11 | Sid Fernandez | 8.9 | 1983-1988 | |
| 13 | Len Barker | 8.8 | 1976-1991 | |
| 14 | Eric Plunk# | 8.7 | 1986-1994 | |
| 15 | Roger Clemens# | 8.6 | 1984-1994 | |
| 15 | Bruce Hurst# | 8.6 | 1982-1994 | |
| 17 | Kevin Appier# | 8.4 | 1989-1994 | |
| 18 | Greg Maddux# | 8.3 | 1986-1994 | |
| 18 | Kevin Brown# | 8.3 | 1986-1994 | |
| 18 | Mark Langston# | 8.3 | 1984-1994 | |
| 21 | Teddy Higuera# | 8.2 | 1985-1994 | |
| 21 | Jose Rijo# | 8.2 | 1984-1994 | |
| 21 | Alex Fernandez# | 8.2 | 1990-1994 | |
| 24 | Pete Harnisch# | 8.1 | 1989-1994 | |
| 24 | Andy Benes# | 8.1 | 1989-1994 | |
| 24 | Erik Hanson# | 8.1 | 1988-1994 | |
| 27 | Scott Garrelts# | 8.0 | 1982-1994 | |
| 27 | Bob Sebra# | 8.0 | 1985-1994 | |
| 29 | Bob James | 7.9 | 1978-1993 | |
| 29 | Melido Perez# | 7.9 | 1987-1994 | |
| 31 | Jose DeLeon# | 7.7 | 1983-1994 | |
| 32 | Lee Smith# | 7.6 | 1980-1994 | |
| 32 | Britt Burns | 7.6 | 1979-1991 | |
| 32 | Chuck Finley# | 7.6 | 1986-1994 | |
| 35 | Fernando Valenzuela# | 7.5 | 1980-1993 | |
| 36 | Frank DiPino# | 7.4 | 1982-1994 | |
| 36 | Mike Mussina# | 7.4 | 1991-1994 | |
| 36 | David Cone# | 7.4 | 1987-1994 | |
| 36 | Chris Nabholz# | 7.4 | 1990-1994 | |
| 40 | Ramon J. Martinez# | 7.3 | 1988-1994 | |
| 40 | Scott Bankhead# | 7.3 | 1986-1994 | |
| 40 | Bob Kipper# | 7.3 | 1985-1994 | |
| 40 | Terry Forster | 7.3 | 1976-1992 | |
| 44 | Bruce Berenyi# | 7.2 | 1980-1993 | |
| 45 | Steve Avery# | 7.1 | 1990-1994 | |
| 45 | Mark Guthrie# | 7.1 | 1989-1994 | |
| 45 | David Palmer# | 7.1 | 1978-1994 | |
| 45 | Frank Tanana | 7.1 | 1976-1988 | |
| 45 | Dennis Eckersley | 7.1 | 1976-1993 | |
| 50 | Ben McDonald# | 7.0 | 1989-1994 | |
| 50 | Rick Reed# | 7.0 | 1988-1994 | |
| 50 | Dennis Rasmussen# | 7.0 | 1983-1993 | |
| 53 | Dave Righetti | 6.9 | 1980-1992 | |
| 53 | Frank Viola# | 6.9 | 1982-1994 | |
| 53 | Jack McDowell# | 6.9 | 1987-1993 | |
| 53 | John Smiley# | 6.9 | 1986-1994 | |
| 57 | Kirk McCaskill# | 6.8 | 1985-1994 | |
| 57 | John Burkett# | 6.8 | 1987-1994 | |
| 57 | John Montefusco* | 6.8 | 1976-1985 | |
| 57 | Scott Sanderson | 6.8 | 1978-1992 | |
| 61 | Pat Combs# | 6.7 | 1989-1994 | |
| 61 | Jim Abbott# | 6.7 | 1989-1994 | |
| 61 | Kelly Downs# | 6.7 | 1986-1994 | |
| 61 | Dan Warthen | 6.7 | 1976-1992 | |
| 61 | David Wells# | 6.7 | 1987-1994 | |
| 61 | Goose Gossage | 6.7 | 1976-1990 | |
| 61 | Steve Carlton | 6.7 | 1976-1985 | |
| 61 | Joe Hesketh# | 6.7 | 1984-1993 | |
| 61 | Chris Hammond# | 6.7 | 1990-1994 | |
| 70 | Danny Jackson# | 6.6 | 1983-1994 | |
| 70 | Jamie Moyer# | 6.6 | 1987-1994 | |
| 70 | Ron Robinson# | 6.6 | 1984-1994 | |
| 70 | Bret Saberhagen# | 6.6 | 1984-1994 | |
| 74 | Mike Bielecki# | 6.5 | 1985-1994 | |
| 74 | Chris Bosio# | 6.5 | 1986-1994 | |
| 74 | Kevin Gross# | 6.5 | 1983-1994 | |
| 74 | Mike Scott | 6.5 | 1979-1992 | |
| 74 | Pete J. Smith# | 6.5 | 1988-1993 | |
| 74 | Mike Mason | 6.5 | 1983-1991 | |
| 74 | Rick Aguilera# | 6.5 | 1985-1994 | |
| 74 | Jim Deshaies# | 6.5 | 1984-1992 | |
| 82 | Marvin Freeman# | 6.4 | 1986-1994 | |
| 82 | Kevin Tapani# | 6.4 | 1989-1994 | |
| 82 | Mark Portugal# | 6.4 | 1985-1994 | |
| 82 | Pascual Perez | 6.4 | 1980-1993 | |
| 82 | Matt Young# | 6.4 | 1983-1994 | |
| 82 | Bryn Smith# | 6.4 | 1981-1994 | |
| 82 | Steve Howe# | 6.4 | 1980-1994 | |
| 89 | Jimmy Key# | 6.3 | 1984-1994 | |
| 89 | Bruce Ruffin# | 6.3 | 1986-1994 | |
| 89 | Pete Falcone | 6.3 | 1976-1986 | |
| 89 | Orel Hershiser# | 6.3 | 1983-1994 | |
| 89 | Tom Seaver | 6.3 | 1976-1986 | |
| 89 | Jack Morris | 6.3 | 1977-1990 | |
| 89 | Eric King# | 6.3 | 1987-1994 | |
| 89 | Kenny Rogers# | 6.3 | 1989-1994 | |
| 89 | Jeff Sellers# | 6.3 | 1986-1994 | |
| 89 | Jon Matlack* | 6.3 | 1976-1990 | |
| 89 | Ron Darling# | 6.3 | 1983-1991 | |
| 100 | Tim Belcher# | 6.2 | 1987-1994 |
