Jack Flaherty
#9 P · B/T: R/R · 6' 4", 225 lb · Age 30 · Burbank, CA, USA · MLB debut 2017 · Draft: 2014 Rd 1 #34 (STL) — Harvard-Westlake (CA) HS · St. Louis Cardinals
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | STL | 0 | 2 | 0 | 6 | 5 | — | 21.1 | 3.6 | 20 | 8.4 | 4.2 | 6.33 | — | — |
| 2018 | STL | 8 | 9 | 0 | 28 | 28 | — | 151.0 | 5.4 | 182 | 10.8 | 3.5 | 3.34 | — | — |
| 2019 | STL | 11 | 8 | 0 | 33 | 33 | — | 196.1 | 5.9 | 231 | 10.6 | 2.5 | 2.75 | — | — |
| 2020 | STL | 4 | 3 | 0 | 9 | 9 | — | 40.1 | 4.5 | 49 | 10.9 | 3.6 | 4.91 | — | — |
| 2021 | STL | 9 | 2 | 0 | 17 | 15 | — | 78.1 | 4.6 | 85 | 9.8 | 3.0 | 3.22 | — | — |
| 2022 | STL | 2 | 1 | 0 | 9 | 8 | — | 36.0 | 4.0 | 33 | 8.3 | 5.5 | 4.25 | — | — |
| 2023 | BAL | 8 | 9 | 0 | 29 | 27 | — | 144.1 | 5.0 | 148 | 9.2 | 4.1 | 4.99 | — | — |
| 2024 | LAD | 13 | 7 | 0 | 28 | 28 | — | 162.0 | 5.8 | 194 | 10.8 | 2.1 | 3.17 | — | — |
| 2025 | DET | 8 | 15 | 0 | 31 | 31 | — | 161.0 | 5.2 | 188 | 10.5 | 3.3 | 4.64 | — | — |
| 2026 | DET |
3
|
8
|
0
|
19
|
19
|
2
|
86.1
|
4.5
|
102
|
10.6
|
4.4
|
4.59
|
4.11
|
1.3
|
| 2026 pace | 4 | 12 | 0 | 28 | 28 | 129.1 | 153 | ||||||||
| Career | 66 | 64 | 0 | 209 | 203 | 2 | 1077.0 | 5.2 | 1232 | 10.3 | 3.3 | 3.86 | — | — |
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | |||||||||||||||
| 2017 | MEM | 7 | 2 | 0 | 15 | 15 | — | 85.1 | 5.7 | 85 | 9.0 | 2.5 | 2.74 | — | — |
| 2018 | MEM | 4 | 1 | 0 | 5 | 5 | — | 31.2 | 6.3 | 41 | 11.7 | 2.0 | 2.27 | — | — |
| 2021 | MEM | 0 | 0 | 0 | 2 | 2 | — | 5.0 | 2.5 | 8 | 14.4 | 1.8 | 3.60 | — | — |
| 2022 | MEM | 1 | 2 | 0 | 3 | 3 | — | 10.1 | 3.4 | 11 | 9.6 | 2.6 | 4.35 | — | — |
| AAA Total | 12 | 5 | 0 | 25 | 25 | — | 132.1 | 5.3 | 145 | 9.9 | 2.4 | 2.79 | — | — | |
| Double-A (AA) | |||||||||||||||
| 2017 | SPR | 7 | 2 | 0 | 10 | 10 | — | 63.1 | 6.3 | 62 | 8.8 | 1.6 | 1.42 | — | — |
| 2021 | SPR | 0 | 0 | 0 | 1 | 1 | — | 4.0 | 4.0 | 3 | 6.8 | 0.0 | 6.75 | — | — |
| 2022 | SPR | 0 | 0 | 0 | 4 | 4 | — | 16.2 | 4.2 | 23 | 12.4 | 2.2 | 2.16 | — | — |
| 2026 | ERI | 1 | 0 | 0 | 1 | 1 | — | 5.2 | 5.7 | 7 | 11.1 | 1.6 | 3.18 | — | — |
| AA Total | 8 | 2 | 0 | 16 | 16 | — | 89.2 | 5.6 | 95 | 9.5 | 1.6 | 1.91 | — | — | |
| High-A (A+) | |||||||||||||||
| 2016 | PMB | 5 | 9 | 0 | 24 | 23 | — | 134.0 | 5.6 | 126 | 8.5 | 3.0 | 3.56 | — | — |
| A+ Total | 5 | 9 | 0 | 24 | 23 | — | 134.0 | 5.6 | 126 | 8.5 | 3.0 | 3.56 | — | — | |
| Single-A (A) | |||||||||||||||
| 2015 | PEO | 9 | 3 | 0 | 18 | 18 | — | 95.0 | 5.3 | 97 | 9.2 | 2.9 | 2.84 | — | — |
| A Total | 9 | 3 | 0 | 18 | 18 | — | 95.0 | 5.3 | 97 | 9.2 | 2.9 | 2.84 | — | — | |
| Rookie (Rk) | |||||||||||||||
| 2014 | F-CAR | 1 | 1 | 0 | 8 | 6 | — | 22.2 | 2.8 | 28 | 11.1 | 1.6 | 1.59 | — | — |
| Rk Total | 1 | 1 | 0 | 8 | 6 | — | 22.2 | 2.8 | 28 | 11.1 | 1.6 | 1.59 | — | — | |
| Minors Total | 35 | 20 | 0 | 91 | 88 | — | 473.2 | 5.2 | 491 | 9.3 | 2.5 | 2.79 | — | — | |
Batting
| Season | Team | G | PA | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | BB% | K% | AVG | OBP | SLG | OPS | wOBA | wRC+ | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | STL | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.0% | 33.3% | .000 | .000 | .000 | .000 | .000 | — | — |
| 2018 | STL | 31 | 52 | 46 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 20 | 3.8% | 38.5% | .152 | .188 | .152 | .340 | .157 | — | — |
| 2019 | STL | 38 | 66 | 54 | 4 | 10 | 3 | 0 | 0 | 4 | 1 | 2 | 17 | 3.0% | 25.8% | .185 | .211 | .241 | .452 | .195 | — | — |
| 2021 | STL | 17 | 26 | 17 | 2 | 2 | 0 | 0 | 1 | 3 | 0 | 5 | 7 | 19.2% | 26.9% | .118 | .304 | .294 | .598 | .276 | — | — |
| Career | 92 | 150 | 123 | 8 | 19 | 3 | 0 | 1 | 7 | 1 | 9 | 46 | 6.0% | 30.7% | .154 | .209 | .203 | .412 | — | — | — |
| Season | Team | G | PA | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | BB% | K% | AVG | OBP | SLG | OPS | wOBA | wRC+ | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||||||||||||||||
| 2017 | MEM | 15 | 17 | 14 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 5.9% | 35.3% | .214 | .267 | .214 | .481 | — | — | — |
| 2018 | MEM | 5 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 40.0% | 20.0% | .000 | .500 | .000 | .500 | — | — | — |
| 2021 | MEM | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | .000 | .000 | .000 | .000 | — | — | — |
| AAA Total | 22 | 22 | 16 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 13.6% | 31.8% | .188 | .316 | .188 | .504 | — | — | — | |
| Double-A (AA) | ||||||||||||||||||||||
| 2017 | SPR | 10 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.0% | 33.3% | .000 | .000 | .000 | .000 | — | — | — |
| AA Total | 10 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.0% | 33.3% | .000 | .000 | .000 | .000 | — | — | — | |
| Minors Total | 32 | 25 | 19 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 12.0% | 32.0% | .158 | .273 | .158 | .431 | — | — | — | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| 2026 | DET |
P
|
19
|
86.1
|
7
|
3
|
1
|
.909
|
| Career | P | 19 | 86.1 | 7 | 3 | 1 | .909 |
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2017 | MEM | P | 15 | 85.1 | 7 | 7 | 0 | 1.000 |
| 2018 | MEM | P | 5 | 31.2 | 1 | 3 | 0 | 1.000 |
| 2021 | MEM | P | 2 | 5.0 | 1 | 0 | 0 | 1.000 |
| 2022 | MEM | P | 3 | 10.1 | 0 | 1 | 0 | 1.000 |
| AAA Total | — | 25 | 132.1 | 9 | 11 | 0 | 1.000 | |
| Double-A (AA) | ||||||||
| 2017 | SPR | P | 10 | 63.1 | 4 | 4 | 0 | 1.000 |
| 2021 | SPR | P | 1 | 4.0 | 0 | 0 | 0 | .000 |
| 2022 | SPR | P | 4 | 16.2 | 3 | 1 | 0 | 1.000 |
| 2026 | ERI | P | 1 | 5.2 | 0 | 0 | 0 | .000 |
| AA Total | — | 16 | 89.2 | 7 | 5 | 0 | 1.000 | |
| High-A (A+) | ||||||||
| 2016 | PMB | P | 24 | 134.0 | 8 | 12 | 1 | .952 |
| A+ Total | — | 24 | 134.0 | 8 | 12 | 1 | .952 | |
| Single-A (A) | ||||||||
| 2015 | PEO | P | 18 | 95.0 | 3 | 7 | 3 | .769 |
| A Total | — | 18 | 95.0 | 3 | 7 | 3 | .769 | |
| Rookie (Rk) | ||||||||
| 2014 | F-CAR | P | 8 | 22.2 | 1 | 3 | 0 | 1.000 |
| Rk Total | — | 8 | 22.2 | 1 | 3 | 0 | 1.000 | |
| Minors Total | — | 91 | 473.2 | 28 | 38 | 4 | .943 | |
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