P · 10 seasons · 2017 – 2026 · B/T: L/L
Roto value rarely concentrates like this. +52.0 of Josh Hader’s +90.7 career total comes from saves. His best year was 2019: +12.7 roto value, 10th that season and 426th of 51,303 player-seasons on record. The value came from saves (+52.0), WHIP (+15.3) and ERA (+11.9), with no category working against him.
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2017 | MIL | 35 | -2.21 | #1,170 | #78,524 |
| 2018★ | MIL | 55 | -1.97 | #545 | #50,426 |
| 2019 | MIL | 61 | -2.14 | #1,144 | #70,572 |
| 2020 | MIL | 21 | -2.06 | #508 | #58,654 |
| 2021 | MIL | 60 | -1.98 | #625 | #50,746 |
| 2022 | MIL | 56 | -2.02 | #580 | #53,628 |
| 2023 | SD | 61 | -2.05 | #565 | #56,873 |
| 2024 | HOU | 71 | -2.04 | #564 | #55,925 |
| 2025 | HOU | 48 | -2.01 | #554 | #52,712 |
| 2026 | HOU | 45 | -3.39 | #574 | #110,552 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2017 | MIL | 35 | 2.03 | #152 | #11,497 |
| 2018 | MIL | 55 | 8.73 | #28 | #1,784 |
| 2019★ | MIL | 61 | 12.74 | #10 | #426 |
| 2020 | MIL | 21 | 8.15 | #29 | #2,146 |
| 2021 | MIL | 60 | 12.61 | #13 | #445 |
| 2022 | MIL | 56 | 6.84 | #61 | #3,251 |
| 2023 | SD | 61 | 9.64 | #26 | #1,288 |
| 2024 | HOU | 71 | 10.86 | #15 | #839 |
| 2025 | HOU | 48 | 10.05 | #23 | #1,106 |
| 2026 | HOU | 45 | 9.10 | #31 | #1,576 |
★ Best season by Z