Jack Flaherty
P · 10 seasons · 2017 – 2026 · B/T: R/R
Jack Flaherty is 1st of 0 pitchers in career roto value, a top-tier career by any lens the site offers. The peak came in 2019, +13.8, 6th that season and 274th of 51,303 player-seasons on record. The value came from strikeouts (+16.0), wins (+11.9) and WHIP (+6.6), with no category working against him.
Hitting
Best Season
-1.96
2021 · #50,320 all-time
Career Z
-19.1
summed
Avg / Season
-2.12
longevity-neutral
Seasons
9
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2017 | STL | 6 | -2.28 | #1,215 | #86,082 |
| 2018 | STL | 31 | -2.62 | #1,327 | #102,993 |
| 2019 | STL | 38 | -2.05 | #594 | #57,921 |
| 2020 | STL | 9 | -2.06 | #508 | #58,654 |
| 2021★ | STL | 17 | -1.96 | #605 | #50,320 |
| 2022 | STL | 9 | -2.02 | #580 | #53,628 |
| 2023 | STL | 29 | -2.05 | #565 | #56,873 |
| 2024 | DET | 28 | -2.04 | #564 | #55,925 |
| 2025 | DET | 31 | -2.01 | #554 | #52,712 |
★ Best season by Z
Pitching
Best Season
13.80
2019 · #274 all-time
Career Z
36.7
summed
Avg / Season
3.67
longevity-neutral
Seasons
10
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 2017 | STL | 6 | -2.48 | #609 | #38,860 |
| 2018 | STL | 28 | 6.96 | #46 | #3,148 |
| 2019★ | STL | 33 | 13.80 | #6 | #274 |
| 2020 | STL | 9 | 3.07 | #125 | #8,919 |
| 2021 | STL | 17 | 4.74 | #99 | #5,879 |
| 2022 | STL | 9 | -1.78 | #502 | #29,061 |
| 2023 | STL | 29 | -0.93 | #373 | #22,978 |
| 2024 | DET | 28 | 9.98 | #19 | #1,130 |
| 2025 | DET | 31 | 3.33 | #127 | #8,388 |
| 2026 | DET | 20 | -0.02 | #301 | #18,534 |
★ Best season by Z