
Jack Flaherty
Free AgentP
Age: 31
Bats/Throws: R/R
6'4" / 225
DOB: 10/15/1995
(31 years, 19 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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Plate Discipline - ABS
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Plate Discipline - ABS
| Season | Handedness | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 25.3% | 65.3% | 43.3% | 54.8% | 86.6% | 76.4% | 45.0% | 53.7% | 10.2% | 15.9% | 26.2% | 18.6 | |||
| 2026 | vs R | 30.1% | 66.3% | 46.0% | 61.2% | 81.3% | 73.9% | 44.1% | 62.4% | 12.0% | 16.3% | 28.3% | 18.9 | |||
| Season | Home / Away | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Home | 29.9% | 65.9% | 46.0% | 54.3% | 80.6% | 71.2% | 44.8% | 60.0% | 13.3% | 15.8% | 29.0% | 18.6 | |||
| 2026 | Away | 25.2% | 65.7% | 43.1% | 62.6% | 87.9% | 79.7% | 44.3% | 55.0% | 8.8% | 16.4% | 25.2% | 18.8 | |||
| 2026 | Home vs L | 26.8% | 65.1% | 44.2% | 49.2% | 81.9% | 71.1% | 45.3% | 57.5% | 12.8% | 15.6% | 28.4% | 18.6 | |||
| 2026 | Home vs R | 33.0% | 66.7% | 47.9% | 58.7% | 79.2% | 71.3% | 44.2% | 62.6% | 13.8% | 16.0% | 29.7% | 18.6 | |||
| 2026 | Away vs L | 23.9% | 65.5% | 42.5% | 60.7% | 91.1% | 81.6% | 44.7% | 50.0% | 7.8% | 16.3% | 24.1% | 18.5 | |||
| 2026 | Away vs R | 26.7% | 65.8% | 43.9% | 64.8% | 83.7% | 77.2% | 43.9% | 62.0% | 10.0% | 16.7% | 26.7% | 19.3 | |||
| Season | Monthly | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Mar/Apr | 21.0% | 61.6% | 38.4% | 55.0% | 85.7% | 76.2% | 43.0% | 58.2% | 9.2% | 16.9% | 26.1% | 17.6 | |||
| 2026 | May | 31.8% | 65.8% | 48.1% | 63.3% | 83.6% | 76.6% | 47.9% | 62.2% | 11.2% | 16.9% | 28.2% | 19.4 | |||
| 2026 | Jun | 30.0% | 68.8% | 45.9% | 56.7% | 85.3% | 74.2% | 40.8% | 55.8% | 11.8% | 14.2% | 26.0% | 19.2 | |||
| 2026 | Jul | 28.6% | 69.8% | 47.3% | 55.0% | 81.5% | 72.7% | 45.3% | 47.6% | 12.9% | 15.2% | 28.1% | 19.0 | |||
| 2026 | Sept/Oct | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 | |||
| 2026 | 1st Half | 28.0% | 65.9% | 44.8% | 58.3% | 84.4% | 75.4% | 44.4% | 57.7% | 11.0% | 16.0% | 27.0% | 18.8 | |||
| 2026 | 2nd Half | 20.4% | 63.8% | 40.6% | 54.5% | 80.0% | 73.2% | 46.5% | 56.0% | 10.9% | 17.8% | 28.7% | 18.1 | |||
| Season | Leverage | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Low Leverage | 26.8% | 66.1% | 44.2% | 52.4% | 82.3% | 72.2% | 44.4% | 58.9% | 12.3% | 16.3% | 28.6% | 17.8 | |||
| 2026 | Medium Leverage | 27.2% | 65.4% | 44.3% | 59.4% | 85.1% | 76.3% | 44.6% | 57.5% | 10.5% | 16.4% | 26.9% | 19.2 | |||
| 2026 | High Leverage | 34.4% | 66.0% | 48.7% | 77.3% | 88.6% | 84.2% | 45.3% | 50.0% | 7.7% | 12.8% | 20.5% | 20.7 | |||
| Season | Situational | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Bases Empty | 27.5% | 65.5% | 45.0% | 50.7% | 82.7% | 72.2% | 46.0% | 60.6% | 12.5% | 16.5% | 29.0% | 17.4 | |||
| 2026 | Men on Base | 27.6% | 66.0% | 44.1% | 66.4% | 86.0% | 79.0% | 42.9% | 53.9% | 9.3% | 15.6% | 24.9% | 20.3 | |||
| 2026 | Men In Scoring | 30.9% | 66.5% | 46.2% | 72.0% | 85.0% | 80.0% | 43.0% | 57.0% | 9.2% | 14.8% | 24.1% | 20.3 | |||
| Season | Through Count | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Through 3 - 0 | 7.1% | 41.2% | 13.8% | 80.0% | 100.0% | 91.7% | 19.5% | 0.0% | 1.1% | 10.3% | 11.5% | 17.6 | |||
| 2026 | Through 3 - 1 | 9.1% | 51.9% | 23.6% | 50.0% | 82.9% | 74.5% | 33.9% | 29.3% | 6.0% | 15.9% | 21.9% | 17.5 | |||
| 2026 | Through 3 - 2 | 18.0% | 61.0% | 34.6% | 49.0% | 85.2% | 73.6% | 38.5% | 48.6% | 9.1% | 14.6% | 23.7% | 19.0 | |||
| 2026 | Through 2 - 0 | 12.7% | 62.4% | 27.3% | 57.7% | 81.1% | 73.4% | 29.4% | 1.7% | 7.3% | 11.4% | 18.7% | 18.0 | |||
| 2026 | Through 1 - 0 | 18.8% | 65.9% | 37.1% | 58.1% | 84.8% | 76.5% | 38.8% | 0.0% | 8.7% | 13.9% | 22.6% | 18.5 | |||
| 2026 | Through 2 - 1 | 16.0% | 55.8% | 31.2% | 44.9% | 81.1% | 69.7% | 38.2% | 34.4% | 9.5% | 17.3% | 26.8% | 18.4 | |||
| 2026 | Through 1 - 1 | 25.6% | 60.6% | 40.8% | 53.7% | 82.5% | 72.3% | 43.3% | 50.9% | 11.3% | 18.3% | 29.6% | 18.8 | |||
| 2026 | Through 0 - 1 | 35.7% | 62.6% | 48.5% | 57.1% | 81.4% | 72.0% | 47.5% | 100.0% | 13.6% | 18.8% | 32.4% | 18.9 | |||
| 2026 | Through 2 - 2 | 25.7% | 63.5% | 41.3% | 53.8% | 84.5% | 73.3% | 41.3% | 55.4% | 11.0% | 16.2% | 27.2% | 19.6 | |||
| 2026 | Through 1 - 2 | 36.0% | 67.2% | 50.2% | 57.0% | 80.9% | 71.6% | 45.5% | 72.2% | 14.3% | 16.6% | 30.9% | 19.4 | |||
| 2026 | Through 0 - 2 | 45.3% | 67.2% | 56.5% | 60.9% | 79.3% | 72.1% | 51.1% | 100.0% | 15.8% | 18.3% | 34.1% | 19.4 | |||
| Season | SP / RP | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | As Starter | 27.5% | 65.8% | 44.5% | 58.4% | 84.2% | 75.3% | 44.5% | 57.3% | 11.0% | 16.1% | 27.1% | 18.8 | |||
| 2026 | As Reliever | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 | |||
| Season | Shifts | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | No Shift | 30.2% | 78.3% | 53.7% | 89.5% | 91.5% | 90.9% | 48.8% | 67.6% | 4.9% | 13.0% | 17.9% | 19.9 | |||
| 2026 | Shift - All | 26.8% | 75.8% | 51.5% | 81.1% | 90.5% | 88.0% | 50.4% | 57.8% | 6.2% | 12.5% | 18.6% | 18.8 | |||
| 2026 | Shift - Traditional | 26.7% | 75.4% | 51.3% | 80.0% | 89.9% | 87.4% | 50.4% | 56.8% | 6.5% | 12.5% | 19.0% | 18.7 | |||
| 2026 | Shift - Non Traditional | 29.4% | 83.3% | 57.1% | 100.0% | 100.0% | 100.0% | 51.4% | 68.8% | 0.0% | 11.4% | 11.4% | 20.4 | |||
| Season | TTO | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | 1st Through Order as SP | 27.0% | 62.8% | 44.2% | 58.3% | 83.7% | 75.6% | 48.0% | 58.5% | 10.8% | 18.0% | 28.8% | 18.6 | |||
| 2026 | 2nd Through Order as SP | 27.7% | 70.7% | 46.1% | 60.7% | 85.2% | 76.8% | 42.6% | 54.9% | 10.7% | 13.8% | 24.5% | 19.1 | |||
| 2026 | 3rd Through Order as SP | 28.2% | 61.5% | 41.2% | 52.5% | 82.1% | 69.8% | 39.1% | 60.7% | 12.4% | 16.7% | 29.2% | 18.2 | |||
| 2026 | 1st Through Order as RP | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 |
| Season | Handedness | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 25.3% | 65.3% | 43.3% | 54.8% | 86.6% | 76.4% | 45.0% | 53.7% | 10.2% | 15.9% | 26.2% | 18.6 | |||
| 2026 | vs R | 30.1% | 66.3% | 46.0% | 61.2% | 81.3% | 73.9% | 44.1% | 62.4% | 12.0% | 16.3% | 28.3% | 18.9 | |||
| Season | Home / Away | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Home | 29.9% | 65.9% | 46.0% | 54.3% | 80.6% | 71.2% | 44.8% | 60.0% | 13.3% | 15.8% | 29.0% | 18.6 | |||
| 2026 | Away | 25.2% | 65.7% | 43.1% | 62.6% | 87.9% | 79.7% | 44.3% | 55.0% | 8.8% | 16.4% | 25.2% | 18.8 | |||
| 2026 | Home vs L | 26.8% | 65.1% | 44.2% | 49.2% | 81.9% | 71.1% | 45.3% | 57.5% | 12.8% | 15.6% | 28.4% | 18.6 | |||
| 2026 | Home vs R | 33.0% | 66.7% | 47.9% | 58.7% | 79.2% | 71.3% | 44.2% | 62.6% | 13.8% | 16.0% | 29.7% | 18.6 | |||
| 2026 | Away vs L | 23.9% | 65.5% | 42.5% | 60.7% | 91.1% | 81.6% | 44.7% | 50.0% | 7.8% | 16.3% | 24.1% | 18.5 | |||
| 2026 | Away vs R | 26.7% | 65.8% | 43.9% | 64.8% | 83.7% | 77.2% | 43.9% | 62.0% | 10.0% | 16.7% | 26.7% | 19.3 | |||
| Season | Monthly | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Mar/Apr | 21.0% | 61.6% | 38.4% | 55.0% | 85.7% | 76.2% | 43.0% | 58.2% | 9.2% | 16.9% | 26.1% | 17.6 | |||
| 2026 | May | 31.8% | 65.8% | 48.1% | 63.3% | 83.6% | 76.6% | 47.9% | 62.2% | 11.2% | 16.9% | 28.2% | 19.4 | |||
| 2026 | Jun | 30.0% | 68.8% | 45.9% | 56.7% | 85.3% | 74.2% | 40.8% | 55.8% | 11.8% | 14.2% | 26.0% | 19.2 | |||
| 2026 | Jul | 28.6% | 69.8% | 47.3% | 55.0% | 81.5% | 72.7% | 45.3% | 47.6% | 12.9% | 15.2% | 28.1% | 19.0 | |||
| 2026 | Sept/Oct | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 | |||
| 2026 | 1st Half | 28.0% | 65.9% | 44.8% | 58.3% | 84.4% | 75.4% | 44.4% | 57.7% | 11.0% | 16.0% | 27.0% | 18.8 | |||
| 2026 | 2nd Half | 20.4% | 63.8% | 40.6% | 54.5% | 80.0% | 73.2% | 46.5% | 56.0% | 10.9% | 17.8% | 28.7% | 18.1 | |||
| Season | Leverage | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Low Leverage | 26.8% | 66.1% | 44.2% | 52.4% | 82.3% | 72.2% | 44.4% | 58.9% | 12.3% | 16.3% | 28.6% | 17.8 | |||
| 2026 | Medium Leverage | 27.2% | 65.4% | 44.3% | 59.4% | 85.1% | 76.3% | 44.6% | 57.5% | 10.5% | 16.4% | 26.9% | 19.2 | |||
| 2026 | High Leverage | 34.4% | 66.0% | 48.7% | 77.3% | 88.6% | 84.2% | 45.3% | 50.0% | 7.7% | 12.8% | 20.5% | 20.7 | |||
| Season | Situational | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Bases Empty | 27.5% | 65.5% | 45.0% | 50.7% | 82.7% | 72.2% | 46.0% | 60.6% | 12.5% | 16.5% | 29.0% | 17.4 | |||
| 2026 | Men on Base | 27.6% | 66.0% | 44.1% | 66.4% | 86.0% | 79.0% | 42.9% | 53.9% | 9.3% | 15.6% | 24.9% | 20.3 | |||
| 2026 | Men In Scoring | 30.9% | 66.5% | 46.2% | 72.0% | 85.0% | 80.0% | 43.0% | 57.0% | 9.2% | 14.8% | 24.1% | 20.3 | |||
| Season | Through Count | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | Through 3 - 0 | 7.1% | 41.2% | 13.8% | 80.0% | 100.0% | 91.7% | 19.5% | 0.0% | 1.1% | 10.3% | 11.5% | 17.6 | |||
| 2026 | Through 3 - 1 | 9.1% | 51.9% | 23.6% | 50.0% | 82.9% | 74.5% | 33.9% | 29.3% | 6.0% | 15.9% | 21.9% | 17.5 | |||
| 2026 | Through 3 - 2 | 18.0% | 61.0% | 34.6% | 49.0% | 85.2% | 73.6% | 38.5% | 48.6% | 9.1% | 14.6% | 23.7% | 19.0 | |||
| 2026 | Through 2 - 0 | 12.7% | 62.4% | 27.3% | 57.7% | 81.1% | 73.4% | 29.4% | 1.7% | 7.3% | 11.4% | 18.7% | 18.0 | |||
| 2026 | Through 1 - 0 | 18.8% | 65.9% | 37.1% | 58.1% | 84.8% | 76.5% | 38.8% | 0.0% | 8.7% | 13.9% | 22.6% | 18.5 | |||
| 2026 | Through 2 - 1 | 16.0% | 55.8% | 31.2% | 44.9% | 81.1% | 69.7% | 38.2% | 34.4% | 9.5% | 17.3% | 26.8% | 18.4 | |||
| 2026 | Through 1 - 1 | 25.6% | 60.6% | 40.8% | 53.7% | 82.5% | 72.3% | 43.3% | 50.9% | 11.3% | 18.3% | 29.6% | 18.8 | |||
| 2026 | Through 0 - 1 | 35.7% | 62.6% | 48.5% | 57.1% | 81.4% | 72.0% | 47.5% | 100.0% | 13.6% | 18.8% | 32.4% | 18.9 | |||
| 2026 | Through 2 - 2 | 25.7% | 63.5% | 41.3% | 53.8% | 84.5% | 73.3% | 41.3% | 55.4% | 11.0% | 16.2% | 27.2% | 19.6 | |||
| 2026 | Through 1 - 2 | 36.0% | 67.2% | 50.2% | 57.0% | 80.9% | 71.6% | 45.5% | 72.2% | 14.3% | 16.6% | 30.9% | 19.4 | |||
| 2026 | Through 0 - 2 | 45.3% | 67.2% | 56.5% | 60.9% | 79.3% | 72.1% | 51.1% | 100.0% | 15.8% | 18.3% | 34.1% | 19.4 | |||
| Season | SP / RP | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | As Starter | 27.5% | 65.8% | 44.5% | 58.4% | 84.2% | 75.3% | 44.5% | 57.3% | 11.0% | 16.1% | 27.1% | 18.8 | |||
| 2026 | As Reliever | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 | |||
| Season | Shifts | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | No Shift | 30.2% | 78.3% | 53.7% | 89.5% | 91.5% | 90.9% | 48.8% | 67.6% | 4.9% | 13.0% | 17.9% | 19.9 | |||
| 2026 | Shift - All | 26.8% | 75.8% | 51.5% | 81.1% | 90.5% | 88.0% | 50.4% | 57.8% | 6.2% | 12.5% | 18.6% | 18.8 | |||
| 2026 | Shift - Traditional | 26.7% | 75.4% | 51.3% | 80.0% | 89.9% | 87.4% | 50.4% | 56.8% | 6.5% | 12.5% | 19.0% | 18.7 | |||
| 2026 | Shift - Non Traditional | 29.4% | 83.3% | 57.1% | 100.0% | 100.0% | 100.0% | 51.4% | 68.8% | 0.0% | 11.4% | 11.4% | 20.4 | |||
| Season | TTO | O-Swing% | Z-Swing% | Swing% | divider | O-Contact% | Z-Contact% | Contact% | Zone% | divider | F-Strike% | SwStr% | CStr% | CSW% | divider | Pace |
| 2026 | 1st Through Order as SP | 27.0% | 62.8% | 44.2% | 58.3% | 83.7% | 75.6% | 48.0% | 58.5% | 10.8% | 18.0% | 28.8% | 18.6 | |||
| 2026 | 2nd Through Order as SP | 27.7% | 70.7% | 46.1% | 60.7% | 85.2% | 76.8% | 42.6% | 54.9% | 10.7% | 13.8% | 24.5% | 19.1 | |||
| 2026 | 3rd Through Order as SP | 28.2% | 61.5% | 41.2% | 52.5% | 82.1% | 69.8% | 39.1% | 60.7% | 12.4% | 16.7% | 29.2% | 18.2 | |||
| 2026 | 1st Through Order as RP | 30.0% | 66.7% | 47.4% | 33.3% | 83.3% | 66.7% | 47.4% | 71.4% | 15.8% | 15.8% | 31.6% | 16.7 |

