| Career - WHIP | |||
| Rk | Player Name | Totals | |
| 1 | Masahiro Tanaka | 1.23 | |
| 2 | John Means | 1.23 | |
| 3 | Hyun-Jin Ryu | 1.28 | |
| 4 | R.A. Dickey | 1.34 | |
| 5 | Tyler Anderson | 1.43 | |
| 6 | James Paxton | 1.45 | |
| 7 | CC Sabathia | 1.70 | |
| Single Season - WHIP | |||||
| Rk | Player Name | Totals | Year | ||
| 1 | John Means | 0.95 | 2022 | ||
| 2 | Masahiro Tanaka | 1.01 | 2016 | ||
| 3 | Hyun Jin Ryu | 1.06 | 2021 | ||
| 4 | Hyun-Jin Ryu | 1.16 | 2019 | ||
| 5 | Masahiro Tanaka | 1.18 | 2015 | ||
| 6 | Hyun Jin Ryu | 1.19 | 2022 | ||
| 7 | Masahiro Tanaka | 1.23 | 2017 | ||
| 8 | Hyun-Jin Ryu | 1.24 | 2020 | ||
| 9 | R.A. Dickey | 1.29 | 2015 | ||
| 10 | John Means | 1.29 | 2021 | ||
| 11 | Alex Cobb | 1.31 | 2022 | ||
| 12 | Andrew Cashner | 1.32 | 2020 | ||
| 13 | Felix Hernandez | 1.33 | 2017 | ||
| 14 | R.A. Dickey | 1.35 | 2016 | ||
| 15 | Ricky Nolasco | 1.35 | 2017 | ||
| 16 | James Paxton | 1.35 | 2019 | ||
| 17 | Erick Fedde | 1.36 | 2021 | ||
| 18 | R.A. Dickey | 1.37 | 2014 | ||
| 19 | Felix Hernandez | 1.40 | 2018 | ||
| 20 | James Paxton | 1.42 | 2015 | ||
| 21 | Wade Miley | 1.42 | 2016 | ||
| 22 | Jeremy Hellickson | 1.45 | 2015 | ||
| 23 | Nathan Karns | 1.45 | 2016 | ||
| 24 | James Paxton | 1.45 | 2016 | ||
| 25 | John Means | 1.45 | 2020 | ||