Jack Flaherty
Free AgentP
Age: 31
Bats/Throws: R/R
6'4" / 225
DOB: 10/15/1995
(31 years, 18 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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Statcast:
Shadow Zone Breakdown
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Statcast - Shadow Zone Breakdown
| Season | Handedness | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 48.3% | 75.0% | 40.0% | 56.1% | 81.9% | 21.0% | 39.6% | 64.2% | 19.0% | ||
| 2026 | vs R | 54.0% | 77.0% | 42.0% | 57.5% | 80.4% | 20.9% | 50.6% | 73.2% | 21.1% | ||
| Season | Home / Away | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Home | 52.2% | 71.0% | 40.3% | 56.8% | 74.0% | 21.0% | 47.2% | 67.1% | 19.2% | ||
| 2026 | Away | 49.9% | 81.2% | 41.5% | 56.7% | 88.7% | 20.8% | 42.9% | 71.2% | 20.7% | ||
| 2026 | Home vs L | 46.7% | 65.8% | 39.3% | 50.5% | 71.7% | 21.2% | 42.3% | 57.6% | 18.1% | ||
| 2026 | Home vs R | 57.7% | 75.3% | 41.3% | 63.5% | 75.9% | 20.9% | 51.8% | 74.4% | 20.4% | ||
| 2026 | Away vs L | 49.7% | 82.8% | 40.6% | 61.5% | 89.8% | 20.8% | 37.4% | 70.6% | 19.7% | ||
| 2026 | Away vs R | 50.0% | 79.2% | 42.8% | 50.7% | 86.8% | 20.8% | 49.4% | 71.8% | 21.9% | ||
| Season | Monthly | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Mar/Apr | 47.9% | 76.1% | 38.2% | 54.5% | 83.6% | 22.3% | 38.8% | 61.3% | 15.9% | ||
| 2026 | May | 56.0% | 74.6% | 42.7% | 58.8% | 75.7% | 21.9% | 53.1% | 73.3% | 20.8% | ||
| 2026 | Jun | 51.1% | 80.3% | 41.1% | 60.7% | 89.2% | 18.0% | 43.6% | 70.6% | 23.1% | ||
| 2026 | Jul | 46.2% | 73.5% | 41.4% | 51.9% | 77.8% | 20.3% | 40.7% | 68.2% | 21.1% | ||
| 2026 | Sept/Oct | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% | ||
| 2026 | 1st Half | 52.0% | 75.8% | 40.8% | 57.1% | 80.6% | 20.9% | 46.6% | 69.4% | 19.8% | ||
| 2026 | 2nd Half | 37.2% | 81.3% | 42.6% | 52.4% | 90.9% | 20.8% | 22.7% | 60.0% | 21.8% | ||
| Season | Leverage | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Low Leverage | 50.7% | 72.5% | 43.6% | 56.3% | 77.8% | 23.1% | 44.4% | 65.1% | 20.5% | ||
| 2026 | Medium Leverage | 50.9% | 78.6% | 38.9% | 57.7% | 84.5% | 19.8% | 43.8% | 70.4% | 19.1% | ||
| 2026 | High Leverage | 54.3% | 80.0% | 39.3% | 52.6% | 80.0% | 16.2% | 55.6% | 80.0% | 23.1% | ||
| Season | Situational | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Bases Empty | 51.9% | 72.0% | 42.6% | 58.5% | 78.5% | 22.9% | 44.4% | 62.0% | 19.7% | ||
| 2026 | Men on Base | 49.8% | 81.5% | 38.8% | 54.3% | 85.5% | 18.5% | 45.8% | 77.1% | 20.3% | ||
| 2026 | Men In Scoring | 54.2% | 81.6% | 40.9% | 56.8% | 84.0% | 18.9% | 52.0% | 79.2% | 21.9% | ||
| Season | Through Count | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Through 3 - 0 | 27.6% | 87.5% | 33.3% | 42.9% | 100.0% | 8.0% | 22.7% | 80.0% | 25.3% | ||
| 2026 | Through 3 - 1 | 29.3% | 75.0% | 35.2% | 40.0% | 78.6% | 15.0% | 21.3% | 70.0% | 20.2% | ||
| 2026 | Through 3 - 2 | 40.2% | 75.0% | 36.7% | 46.1% | 85.4% | 19.3% | 33.8% | 59.3% | 17.4% | ||
| 2026 | Through 2 - 0 | 37.7% | 70.0% | 36.7% | 54.1% | 75.0% | 12.8% | 29.0% | 65.0% | 23.9% | ||
| 2026 | Through 1 - 0 | 39.6% | 74.1% | 37.9% | 52.0% | 81.5% | 16.7% | 29.7% | 63.8% | 21.2% | ||
| 2026 | Through 2 - 1 | 33.7% | 68.8% | 38.2% | 40.2% | 74.3% | 17.5% | 28.2% | 62.1% | 20.7% | ||
| 2026 | Through 1 - 1 | 44.1% | 72.7% | 41.1% | 49.7% | 79.5% | 20.8% | 38.4% | 63.6% | 20.3% | ||
| 2026 | Through 0 - 1 | 57.5% | 75.2% | 43.7% | 56.9% | 79.0% | 24.1% | 58.2% | 70.7% | 19.6% | ||
| 2026 | Through 2 - 2 | 47.8% | 75.2% | 40.3% | 51.0% | 86.3% | 20.7% | 44.4% | 61.7% | 19.6% | ||
| 2026 | Through 1 - 2 | 59.0% | 73.2% | 42.7% | 59.9% | 78.9% | 23.6% | 57.8% | 65.9% | 19.1% | ||
| 2026 | Through 0 - 2 | 67.4% | 77.6% | 43.8% | 63.1% | 78.5% | 26.2% | 73.9% | 76.5% | 17.6% | ||
| Season | SP / RP | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | As Starter | 51.1% | 76.0% | 40.8% | 56.7% | 81.0% | 21.0% | 45.2% | 69.4% | 19.8% | ||
| 2026 | As Reliever | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% | ||
| Season | Shifts | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | No Shift | 54.7% | 86.2% | 43.1% | 69.6% | 87.5% | 18.7% | 43.3% | 84.6% | 24.4% | ||
| 2026 | Shift - All | 58.3% | 87.4% | 42.0% | 68.1% | 89.9% | 22.4% | 47.1% | 83.3% | 19.6% | ||
| 2026 | Shift - Traditional | 58.6% | 86.8% | 42.0% | 68.0% | 89.4% | 22.5% | 47.7% | 82.5% | 19.4% | ||
| 2026 | Shift - Non Traditional | 53.3% | 100.0% | 42.9% | 71.4% | 100.0% | 20.0% | 37.5% | 100.0% | 22.9% | ||
| Season | TTO | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | 1st Through Order as SP | 50.0% | 76.3% | 41.5% | 54.7% | 81.7% | 23.2% | 44.0% | 67.8% | 18.3% | ||
| 2026 | 2nd Through Order as SP | 53.4% | 79.1% | 41.2% | 63.6% | 83.3% | 19.6% | 44.1% | 73.4% | 21.5% | ||
| 2026 | 3rd Through Order as SP | 47.7% | 64.3% | 37.8% | 42.9% | 66.7% | 18.0% | 52.2% | 62.5% | 19.7% | ||
| 2026 | 1st Through Order as RP | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% |
| Season | Handedness | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 48.3% | 75.0% | 40.0% | 56.1% | 81.9% | 21.0% | 39.6% | 64.2% | 19.0% | ||
| 2026 | vs R | 54.0% | 77.0% | 42.0% | 57.5% | 80.4% | 20.9% | 50.6% | 73.2% | 21.1% | ||
| Season | Home / Away | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Home | 52.2% | 71.0% | 40.3% | 56.8% | 74.0% | 21.0% | 47.2% | 67.1% | 19.2% | ||
| 2026 | Away | 49.9% | 81.2% | 41.5% | 56.7% | 88.7% | 20.8% | 42.9% | 71.2% | 20.7% | ||
| 2026 | Home vs L | 46.7% | 65.8% | 39.3% | 50.5% | 71.7% | 21.2% | 42.3% | 57.6% | 18.1% | ||
| 2026 | Home vs R | 57.7% | 75.3% | 41.3% | 63.5% | 75.9% | 20.9% | 51.8% | 74.4% | 20.4% | ||
| 2026 | Away vs L | 49.7% | 82.8% | 40.6% | 61.5% | 89.8% | 20.8% | 37.4% | 70.6% | 19.7% | ||
| 2026 | Away vs R | 50.0% | 79.2% | 42.8% | 50.7% | 86.8% | 20.8% | 49.4% | 71.8% | 21.9% | ||
| Season | Monthly | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Mar/Apr | 47.9% | 76.1% | 38.2% | 54.5% | 83.6% | 22.3% | 38.8% | 61.3% | 15.9% | ||
| 2026 | May | 56.0% | 74.6% | 42.7% | 58.8% | 75.7% | 21.9% | 53.1% | 73.3% | 20.8% | ||
| 2026 | Jun | 51.1% | 80.3% | 41.1% | 60.7% | 89.2% | 18.0% | 43.6% | 70.6% | 23.1% | ||
| 2026 | Jul | 46.2% | 73.5% | 41.4% | 51.9% | 77.8% | 20.3% | 40.7% | 68.2% | 21.1% | ||
| 2026 | Sept/Oct | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% | ||
| 2026 | 1st Half | 52.0% | 75.8% | 40.8% | 57.1% | 80.6% | 20.9% | 46.6% | 69.4% | 19.8% | ||
| 2026 | 2nd Half | 37.2% | 81.3% | 42.6% | 52.4% | 90.9% | 20.8% | 22.7% | 60.0% | 21.8% | ||
| Season | Leverage | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Low Leverage | 50.7% | 72.5% | 43.6% | 56.3% | 77.8% | 23.1% | 44.4% | 65.1% | 20.5% | ||
| 2026 | Medium Leverage | 50.9% | 78.6% | 38.9% | 57.7% | 84.5% | 19.8% | 43.8% | 70.4% | 19.1% | ||
| 2026 | High Leverage | 54.3% | 80.0% | 39.3% | 52.6% | 80.0% | 16.2% | 55.6% | 80.0% | 23.1% | ||
| Season | Situational | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Bases Empty | 51.9% | 72.0% | 42.6% | 58.5% | 78.5% | 22.9% | 44.4% | 62.0% | 19.7% | ||
| 2026 | Men on Base | 49.8% | 81.5% | 38.8% | 54.3% | 85.5% | 18.5% | 45.8% | 77.1% | 20.3% | ||
| 2026 | Men In Scoring | 54.2% | 81.6% | 40.9% | 56.8% | 84.0% | 18.9% | 52.0% | 79.2% | 21.9% | ||
| Season | Through Count | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | Through 3 - 0 | 27.6% | 87.5% | 33.3% | 42.9% | 100.0% | 8.0% | 22.7% | 80.0% | 25.3% | ||
| 2026 | Through 3 - 1 | 29.3% | 75.0% | 35.2% | 40.0% | 78.6% | 15.0% | 21.3% | 70.0% | 20.2% | ||
| 2026 | Through 3 - 2 | 40.2% | 75.0% | 36.7% | 46.1% | 85.4% | 19.3% | 33.8% | 59.3% | 17.4% | ||
| 2026 | Through 2 - 0 | 37.7% | 70.0% | 36.7% | 54.1% | 75.0% | 12.8% | 29.0% | 65.0% | 23.9% | ||
| 2026 | Through 1 - 0 | 39.6% | 74.1% | 37.9% | 52.0% | 81.5% | 16.7% | 29.7% | 63.8% | 21.2% | ||
| 2026 | Through 2 - 1 | 33.7% | 68.8% | 38.2% | 40.2% | 74.3% | 17.5% | 28.2% | 62.1% | 20.7% | ||
| 2026 | Through 1 - 1 | 44.1% | 72.7% | 41.1% | 49.7% | 79.5% | 20.8% | 38.4% | 63.6% | 20.3% | ||
| 2026 | Through 0 - 1 | 57.5% | 75.2% | 43.7% | 56.9% | 79.0% | 24.1% | 58.2% | 70.7% | 19.6% | ||
| 2026 | Through 2 - 2 | 47.8% | 75.2% | 40.3% | 51.0% | 86.3% | 20.7% | 44.4% | 61.7% | 19.6% | ||
| 2026 | Through 1 - 2 | 59.0% | 73.2% | 42.7% | 59.9% | 78.9% | 23.6% | 57.8% | 65.9% | 19.1% | ||
| 2026 | Through 0 - 2 | 67.4% | 77.6% | 43.8% | 63.1% | 78.5% | 26.2% | 73.9% | 76.5% | 17.6% | ||
| Season | SP / RP | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | As Starter | 51.1% | 76.0% | 40.8% | 56.7% | 81.0% | 21.0% | 45.2% | 69.4% | 19.8% | ||
| 2026 | As Reliever | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% | ||
| Season | Shifts | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | No Shift | 54.7% | 86.2% | 43.1% | 69.6% | 87.5% | 18.7% | 43.3% | 84.6% | 24.4% | ||
| 2026 | Shift - All | 58.3% | 87.4% | 42.0% | 68.1% | 89.9% | 22.4% | 47.1% | 83.3% | 19.6% | ||
| 2026 | Shift - Traditional | 58.6% | 86.8% | 42.0% | 68.0% | 89.4% | 22.5% | 47.7% | 82.5% | 19.4% | ||
| 2026 | Shift - Non Traditional | 53.3% | 100.0% | 42.9% | 71.4% | 100.0% | 20.0% | 37.5% | 100.0% | 22.9% | ||
| Season | TTO | S-Swing% | S-Contact% | S-Zone% | divider | SI-Swing% | SI-Contact% | SI-Zone% | divider | SO-Swing% | SO-Contact% | SO-Zone% |
| 2026 | 1st Through Order as SP | 50.0% | 76.3% | 41.5% | 54.7% | 81.7% | 23.2% | 44.0% | 67.8% | 18.3% | ||
| 2026 | 2nd Through Order as SP | 53.4% | 79.1% | 41.2% | 63.6% | 83.3% | 19.6% | 44.1% | 73.4% | 21.5% | ||
| 2026 | 3rd Through Order as SP | 47.7% | 64.3% | 37.8% | 42.9% | 66.7% | 18.0% | 52.2% | 62.5% | 19.7% | ||
| 2026 | 1st Through Order as RP | 44.4% | 75.0% | 47.4% | 66.7% | 100.0% | 15.8% | 33.3% | 50.0% | 31.6% |
