| Career - WHIP | |||
| Rk | Player Name | Totals | |
| 1 | Mariano Rivera | 1.02 | |
| 2 | Jacob deGrom | 1.02 | |
| 3 | Chris Sale | 1.06 | |
| 4 | Aaron Nola | 1.15 | |
| 5 | Pedro Martinez | 1.18 | |
| 6 | Luis Castillo | 1.20 | |
| 7 | Roy Halladay | 1.21 | |
| 8 | Justin Verlander | 1.21 | |
| 9 | Max Scherzer | 1.21 | |
| 10 | SID FERNANDEZ | 1.22 | |
| 11 | DOUG DRABEK | 1.24 | |
| 12 | DENNIS MARTINEZ | 1.24 | |
| 13 | Gerrit Cole | 1.24 | |
| 14 | Eduardo Rodriguez | 1.24 | |
| 15 | Corey Kluber | 1.25 | |
| 16 | Kyle Hendricks | 1.25 | |
| 17 | Greg Maddux | 1.26 | |
| 18 | Rich Hill | 1.26 | |
| 19 | Clayton Kershaw | 1.26 | |
| 20 | Stephen Strasburg | 1.26 | |
| 21 | Masahiro Tanaka | 1.26 | |
| 22 | Zack Greinke | 1.27 | |
| 23 | Curt Schilling | 1.27 | |
| 24 | Jered Weaver | 1.27 | |
| 25 | Hiroki Kuroda | 1.27 | |
| Single Season - WHIP | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | Jacob deGrom | 0.70 | 2022 | ||
| 2 | Rich Hill | 0.76 | 2016 | ||
| 3 | Dennis Eckersley | 0.81 | 1991 | ||
| 4 | Chris Sale | 0.81 | 2015 | ||
| 5 | Chris Sale | 0.82 | 2018 | ||
| 6 | Jacob deGrom | 0.82 | 2024 | ||
| 7 | Greg Maddux | 0.83 | 1996 | ||
| 8 | Michael Fiers | 0.84 | 2015 | ||
| 9 | Kenta Maeda | 0.84 | 2021 | ||
| 10 | Joe Ryan | 0.85 | 2022 | ||
| 11 | Walker Buehler | 0.86 | 2019 | ||
| 12 | Max Scherzer | 0.86 | 2019 | ||
| 13 | Carlos Carrasco | 0.87 | 2015 | ||
| 14 | Chris Sale | 0.88 | 2019 | ||
| 15 | Jaime Barria | 0.88 | 2021 | ||
| 16 | Tim Belcher | 0.89 | 1993 | ||
| 17 | Jacob deGrom | 0.89 | 2023 | ||
| 18 | Clayton Kershaw | 0.89 | 2021 | ||
| 19 | Tyler Glasnow | 0.89 | 2022 | ||
| 20 | DOUG DRABEK | 0.91 | 1993 | ||
| 21 | Cal Eldred | 0.91 | 1993 | ||
| 22 | Justin Verlander | 0.91 | 2013 | ||
| 23 | Noah Syndergaard | 0.91 | 2018 | ||
| 24 | Miles Mikolas | 0.91 | 2019 | ||
| 25 | Zach Plesac | 0.91 | 2021 | ||