
Jack Flaherty
Free AgentP
Age: 31
Bats/Throws: R/R
6'4" / 225
DOB: 10/15/1995
(31 years, 27 days)
P
| Season | 2026 | 2027 | Total |
| Team | DET | FGDC | - - - |
| Level | MLB | PROJ | MLB |
| G | 20 | 28 | 210 |
| GS | 19 | 28 | 203 |
| IP | 88.1 | 147.0 | 1079.0 |
| K% | 26.0% | 24.6% | 27.3% |
| BB% | 10.6% | 8.9% | 8.7% |
| GB% | 30.0% | 39.4% | |
| ERA | 4.48 | 4.18 | 3.85 |
| FIP | 4.05 | 4.14 | 3.91 |
| WAR | 1.3 | 2.2 | 17.5 |
2026 Pitch
Selection
Selection
FA:49%
SL:24%
KC:19%
RosterResource
| Draft: | 2014, Rd: 1, Pick: 34, Ovr: 34 |
| Draft Team: | St. Louis Cardinals |
| School: | Harvard-Westlake (CA) HS |
| Contract | 2 yr, $35M (2025-26) (RR) |
Free Agent | AAV: $27.50M |
| Notes | Valley charge raises base AAV for 2025, lowers for 2026. |
Service Time
8.006MiLB Options
n/a
Free Agent
2027
News
Rotowire: Flaherty (forearm) was reinstated from the 15-day injured list Sunday and struck out one batter while allowing one hit and no walks over two scoreless innings in the Tigers' 4-2 loss to the Pirates in the season finale. (9/29/2026)
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| Season | Handedness | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 137 | 90.0 | 113.5 | 23.1 | 10 | 7.3% | 59 | 43.1% | - - - | 4.37 | |
| 2026 | vs R | 107 | 90.6 | 111.1 | 20.3 | 10 | 9.3% | 52 | 48.6% | - - - | 4.38 | |
| Season | Home / Away | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Home | 118 | 88.8 | 113.5 | 20.9 | 10 | 8.5% | 45 | 38.1% | 4.47 | 3.24 | |
| 2026 | Away | 126 | 91.8 | 111.0 | 22.8 | 10 | 7.9% | 66 | 52.4% | 4.50 | 5.91 | |
| 2026 | Home vs L | 58 | 90.0 | 113.5 | 20.6 | 5 | 8.6% | 22 | 37.9% | - - - | 3.38 | |
| 2026 | Home vs R | 60 | 87.6 | 111.1 | 21.2 | 5 | 8.3% | 23 | 38.3% | - - - | 3.09 | |
| 2026 | Away vs L | 79 | 90.1 | 110.0 | 25.0 | 5 | 6.3% | 37 | 46.8% | - - - | 5.52 | |
| 2026 | Away vs R | 47 | 94.5 | 111.0 | 19.2 | 5 | 10.6% | 29 | 61.7% | - - - | 6.50 | |
| Season | Monthly | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Mar/Apr | 68 | 90.8 | 113.5 | 23.4 | 7 | 10.3% | 31 | 45.6% | 5.33 | 5.72 | |
| 2026 | May | 82 | 91.6 | 110.1 | 20.8 | 7 | 8.5% | 40 | 48.8% | 6.26 | 4.29 | |
| 2026 | Jun | 47 | 90.0 | 111.0 | 22.5 | 2 | 4.3% | 22 | 46.8% | 2.50 | 3.11 | |
| 2026 | Jul | 41 | 88.4 | 105.0 | 21.8 | 4 | 9.8% | 17 | 41.5% | 2.87 | 4.34 | |
| 2026 | Sept/Oct | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 | |
| 2026 | 1st Half | 226 | 90.7 | 113.5 | 21.2 | 19 | 8.4% | 107 | 47.3% | 4.48 | 4.38 | |
| 2026 | 2nd Half | 18 | 85.6 | 105.0 | 30.4 | 1 | 5.6% | 4 | 22.2% | 4.50 | 4.27 | |
| Season | Leverage | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Low Leverage | 94 | 89.4 | 111.0 | 18.6 | 7 | 7.4% | 42 | 44.7% | - - - | 4.07 | |
| 2026 | Medium Leverage | 130 | 90.8 | 113.5 | 23.6 | 13 | 10.0% | 60 | 46.2% | - - - | 4.58 | |
| 2026 | High Leverage | 20 | 91.1 | 107.1 | 26.3 | 0 | 0.0% | 9 | 45.0% | - - - | 4.79 | |
| Season | Situational | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Bases Empty | 131 | 89.8 | 113.5 | 23.3 | 14 | 10.7% | 63 | 48.1% | - - - | 4.38 | |
| 2026 | Men on Base | 113 | 90.9 | 111.1 | 20.1 | 6 | 5.3% | 48 | 42.5% | - - - | 4.37 | |
| 2026 | Men In Scoring | 70 | 91.1 | 111.1 | 21.8 | 3 | 4.3% | 28 | 40.0% | - - - | 3.70 | |
| Season | Through Count | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Through 3 - 0 | 5 | 90.3 | 113.5 | 42.4 | 1 | 20.0% | 2 | 40.0% | - - - | 20.03 | |
| 2026 | Through 3 - 1 | 18 | 89.4 | 113.5 | 30.3 | 1 | 5.6% | 5 | 27.8% | - - - | 7.70 | |
| 2026 | Through 3 - 2 | 32 | 89.4 | 113.5 | 12.9 | 1 | 3.1% | 12 | 37.5% | - - - | 6.28 | |
| 2026 | Through 2 - 0 | 27 | 89.6 | 113.5 | 25.6 | 2 | 7.4% | 11 | 40.7% | - - - | 6.28 | |
| 2026 | Through 1 - 0 | 98 | 90.2 | 113.5 | 21.4 | 8 | 8.2% | 45 | 45.9% | - - - | 5.90 | |
| 2026 | Through 2 - 1 | 42 | 90.5 | 107.6 | 22.9 | 3 | 7.1% | 18 | 42.9% | - - - | 5.17 | |
| 2026 | Through 1 - 1 | 90 | 90.0 | 107.8 | 21.6 | 6 | 6.7% | 41 | 45.6% | - - - | 3.60 | |
| 2026 | Through 0 - 1 | 105 | 90.3 | 111.1 | 21.8 | 9 | 8.6% | 48 | 45.7% | - - - | 2.90 | |
| 2026 | Through 2 - 2 | 51 | 91.0 | 111.1 | 14.7 | 1 | 2.0% | 26 | 51.0% | - - - | 3.14 | |
| 2026 | Through 1 - 2 | 67 | 89.9 | 111.1 | 18.8 | 3 | 4.5% | 32 | 47.8% | - - - | 2.33 | |
| 2026 | Through 0 - 2 | 44 | 90.5 | 111.1 | 15.8 | 2 | 4.5% | 21 | 47.7% | - - - | 2.16 | |
| Season | SP / RP | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | As Starter | 238 | 90.5 | 113.5 | 22.0 | 20 | 8.4% | 110 | 46.2% | 4.59 | 4.43 | |
| 2026 | As Reliever | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 | |
| Season | Shifts | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | No Shift | 34 | 89.8 | 107.7 | 19.5 | 3 | 8.8% | 15 | 44.1% | - - - | 5.66 | |
| 2026 | Shift - All | 199 | 89.7 | 113.5 | 21.8 | 11 | 5.5% | 86 | 43.2% | - - - | 5.26 | |
| 2026 | Shift - Traditional | 183 | 89.9 | 113.5 | 22.0 | 11 | 6.0% | 83 | 45.4% | - - - | 5.51 | |
| 2026 | Shift - Non Traditional | 16 | 87.0 | 105.1 | 20.0 | 0 | 0.0% | 3 | 18.8% | - - - | 2.77 | |
| Season | TTO | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | 1st Through Order as SP | 98 | 90.2 | 113.5 | 20.3 | 10 | 10.2% | 48 | 49.0% | 3.03 | 4.29 | |
| 2026 | 2nd Through Order as SP | 111 | 89.8 | 111.1 | 24.5 | 8 | 7.2% | 45 | 40.5% | 5.20 | 4.93 | |
| 2026 | 3rd Through Order as SP | 29 | 94.0 | 111.0 | 18.6 | 2 | 6.9% | 17 | 58.6% | 7.94 | 3.53 | |
| 2026 | 1st Through Order as RP | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 |
| Season | Handedness | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 137 | 90.0 | 113.5 | 23.1 | 10 | 7.3% | 59 | 43.1% | - - - | 4.37 | |
| 2026 | vs R | 107 | 90.6 | 111.1 | 20.3 | 10 | 9.3% | 52 | 48.6% | - - - | 4.38 | |
| Season | Home / Away | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Home | 118 | 88.8 | 113.5 | 20.9 | 10 | 8.5% | 45 | 38.1% | 4.47 | 3.24 | |
| 2026 | Away | 126 | 91.8 | 111.0 | 22.8 | 10 | 7.9% | 66 | 52.4% | 4.50 | 5.91 | |
| 2026 | Home vs L | 58 | 90.0 | 113.5 | 20.6 | 5 | 8.6% | 22 | 37.9% | - - - | 3.38 | |
| 2026 | Home vs R | 60 | 87.6 | 111.1 | 21.2 | 5 | 8.3% | 23 | 38.3% | - - - | 3.09 | |
| 2026 | Away vs L | 79 | 90.1 | 110.0 | 25.0 | 5 | 6.3% | 37 | 46.8% | - - - | 5.52 | |
| 2026 | Away vs R | 47 | 94.5 | 111.0 | 19.2 | 5 | 10.6% | 29 | 61.7% | - - - | 6.50 | |
| Season | Monthly | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Mar/Apr | 68 | 90.8 | 113.5 | 23.4 | 7 | 10.3% | 31 | 45.6% | 5.33 | 5.72 | |
| 2026 | May | 82 | 91.6 | 110.1 | 20.8 | 7 | 8.5% | 40 | 48.8% | 6.26 | 4.29 | |
| 2026 | Jun | 47 | 90.0 | 111.0 | 22.5 | 2 | 4.3% | 22 | 46.8% | 2.50 | 3.11 | |
| 2026 | Jul | 41 | 88.4 | 105.0 | 21.8 | 4 | 9.8% | 17 | 41.5% | 2.87 | 4.34 | |
| 2026 | Sept/Oct | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 | |
| 2026 | 1st Half | 226 | 90.7 | 113.5 | 21.2 | 19 | 8.4% | 107 | 47.3% | 4.48 | 4.38 | |
| 2026 | 2nd Half | 18 | 85.6 | 105.0 | 30.4 | 1 | 5.6% | 4 | 22.2% | 4.50 | 4.27 | |
| Season | Leverage | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Low Leverage | 94 | 89.4 | 111.0 | 18.6 | 7 | 7.4% | 42 | 44.7% | - - - | 4.07 | |
| 2026 | Medium Leverage | 130 | 90.8 | 113.5 | 23.6 | 13 | 10.0% | 60 | 46.2% | - - - | 4.58 | |
| 2026 | High Leverage | 20 | 91.1 | 107.1 | 26.3 | 0 | 0.0% | 9 | 45.0% | - - - | 4.79 | |
| Season | Situational | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Bases Empty | 131 | 89.8 | 113.5 | 23.3 | 14 | 10.7% | 63 | 48.1% | - - - | 4.38 | |
| 2026 | Men on Base | 113 | 90.9 | 111.1 | 20.1 | 6 | 5.3% | 48 | 42.5% | - - - | 4.37 | |
| 2026 | Men In Scoring | 70 | 91.1 | 111.1 | 21.8 | 3 | 4.3% | 28 | 40.0% | - - - | 3.70 | |
| Season | Through Count | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | Through 3 - 0 | 5 | 90.3 | 113.5 | 42.4 | 1 | 20.0% | 2 | 40.0% | - - - | 20.03 | |
| 2026 | Through 3 - 1 | 18 | 89.4 | 113.5 | 30.3 | 1 | 5.6% | 5 | 27.8% | - - - | 7.70 | |
| 2026 | Through 3 - 2 | 32 | 89.4 | 113.5 | 12.9 | 1 | 3.1% | 12 | 37.5% | - - - | 6.28 | |
| 2026 | Through 2 - 0 | 27 | 89.6 | 113.5 | 25.6 | 2 | 7.4% | 11 | 40.7% | - - - | 6.28 | |
| 2026 | Through 1 - 0 | 98 | 90.2 | 113.5 | 21.4 | 8 | 8.2% | 45 | 45.9% | - - - | 5.90 | |
| 2026 | Through 2 - 1 | 42 | 90.5 | 107.6 | 22.9 | 3 | 7.1% | 18 | 42.9% | - - - | 5.17 | |
| 2026 | Through 1 - 1 | 90 | 90.0 | 107.8 | 21.6 | 6 | 6.7% | 41 | 45.6% | - - - | 3.60 | |
| 2026 | Through 0 - 1 | 105 | 90.3 | 111.1 | 21.8 | 9 | 8.6% | 48 | 45.7% | - - - | 2.90 | |
| 2026 | Through 2 - 2 | 51 | 91.0 | 111.1 | 14.7 | 1 | 2.0% | 26 | 51.0% | - - - | 3.14 | |
| 2026 | Through 1 - 2 | 67 | 89.9 | 111.1 | 18.8 | 3 | 4.5% | 32 | 47.8% | - - - | 2.33 | |
| 2026 | Through 0 - 2 | 44 | 90.5 | 111.1 | 15.8 | 2 | 4.5% | 21 | 47.7% | - - - | 2.16 | |
| Season | SP / RP | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | As Starter | 238 | 90.5 | 113.5 | 22.0 | 20 | 8.4% | 110 | 46.2% | 4.59 | 4.43 | |
| 2026 | As Reliever | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 | |
| Season | Shifts | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | No Shift | 34 | 89.8 | 107.7 | 19.5 | 3 | 8.8% | 15 | 44.1% | - - - | 5.66 | |
| 2026 | Shift - All | 199 | 89.7 | 113.5 | 21.8 | 11 | 5.5% | 86 | 43.2% | - - - | 5.26 | |
| 2026 | Shift - Traditional | 183 | 89.9 | 113.5 | 22.0 | 11 | 6.0% | 83 | 45.4% | - - - | 5.51 | |
| 2026 | Shift - Non Traditional | 16 | 87.0 | 105.1 | 20.0 | 0 | 0.0% | 3 | 18.8% | - - - | 2.77 | |
| Season | TTO | Events | EV | maxEV | LA | Barrels | Barrel% | HardHit | HardHit% | divider | ERA | xERA |
| 2026 | 1st Through Order as SP | 98 | 90.2 | 113.5 | 20.3 | 10 | 10.2% | 48 | 49.0% | 3.03 | 4.29 | |
| 2026 | 2nd Through Order as SP | 111 | 89.8 | 111.1 | 24.5 | 8 | 7.2% | 45 | 40.5% | 5.20 | 4.93 | |
| 2026 | 3rd Through Order as SP | 29 | 94.0 | 111.0 | 18.6 | 2 | 6.9% | 17 | 58.6% | 7.94 | 3.53 | |
| 2026 | 1st Through Order as RP | 6 | 82.8 | 97.2 | 16.2 | 0 | 0.0% | 1 | 16.7% | 0.00 | 2.19 |

