P · 6 seasons · 2015 – 2024 · B/T: R/R
Jay Jackson was worth +0.6 in WHIP alone, more than his entire career total of -7.2 once everything else is counted against him. 2023 was the high-water mark, worth +1.1, 230th that season and 14279th of 51,303 player-seasons on record. On the credit side, WHIP (+0.6). On the debit side, strikeouts (-3.1), saves (-1.7) and ERA (-0.3).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2015 | SD | 6 | -2.05 | #594 | #57,954 |
| 2019 | MIL | 28 | -2.14 | #1,144 | #70,572 |
| 2021★ | SF | 23 | -2.01 | #1,105 | #52,591 |
| 2022 | ATL | 2 | -2.02 | #580 | #53,628 |
| 2023 | TOR | 25 | -2.05 | #565 | #56,873 |
| 2024 | MIN | 20 | -2.04 | #564 | #55,925 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2015 | SD | 6 | -2.25 | #558 | #35,284 |
| 2019 | MIL | 28 | -0.81 | #347 | #22,324 |
| 2021 | SF | 23 | -0.62 | #360 | #21,337 |
| 2022 | ATL | 2 | -1.90 | #560 | #30,319 |
| 2023★ | TOR | 25 | 1.11 | #230 | #14,279 |
| 2024 | MIN | 20 | -2.69 | #728 | #41,828 |
★ Best season by Z