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Jack Flaherty

#9 - Starting Pitcher

Detroit Tigers

Bats / Throws Right / Right
Date of Birth 10/15/1995 (30)
Height, Weight 6'4", 225 lb
Hometown Burbank, CA

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
W-L IP ERA WHIP K% BB%
0-2 25.1 5.33 1.74 22.7% 17.7%
- 1
W
- 26.0
IP
- 4.52
ERA
- 1.39
WHIP
- 22.0%
K%
- 9.5%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
92.6 9.8% 27.3% 45.2% 3.2% 4.83 5.33
- 94.2
FB MPH
- 11.6%
SwStr%
- 27.8%
CSW%
- 49.6%
Str-ICR
- 4.5%
MTK%
- 5.00
PLV
- 3.26
PLA

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Jack Flaherty Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L QS ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR GB% SwStr% CSW% IPR PLV
2017 STL 6 5 21.1 0-2 0 6.33 1.55 - 5.29 - - 21.3% 10.6% 9.7 1.69 .322 - 66.9% - - - - - -
2018 STL 28 28 151.0 8-9 10 3.34 1.11 - 3.86 - - 29.6% 9.6% 6.4 1.19 .258 - 79.3% - - 14.6% 31.0% 0.60 -
2019 STL 33 33 196.1 11-8 20 2.75 0.97 - 3.46 - - 29.9% 7.1% 6.2 1.15 .244 - 83.3% - - 14.8% 31.2% 0.61 -
2020 STL 9 9 40.1 4-3 2 4.91 1.21 4.88 4.11 3.58 3.20 28.8% 9.4% 7.4 1.34 .284 30.0% 68.8% 45.1% 47.1% 15.4% 33.4% 0.64 4.82
2021 STL 17 15 78.1 9-2 9 3.22 1.06 4.08 4.22 4.05 3.54 26.4% 8.1% 6.5 1.38 .236 22.6% 74.8% 42.0% 41.5% 12.6% 29.1% 0.51 5.07
2022 STL 9 8 36.0 2-1 2 4.25 1.61 4.97 4.97 5.25 4.28 19.8% 13.2% 9.0 1.00 .314 14.8% 78.4% 36.4% 42.1% 11.3% 26.3% 0.38 4.82
2023 BAL/STL 29 27 144.1 8-9 8 4.99 1.58 5.37 4.36 4.73 3.65 22.8% 10.2% 10.1 1.06 .357 15.7% 72.6% 42.8% 44.7% 11.7% 29.2% 0.49 5.05
2024 DET/LAD 28 28 162.0 13-7 15 3.17 1.07 3.58 3.48 3.11 3.00 29.9% 5.9% 7.5 1.33 .286 22.6% 80.9% 39.2% 42.3% 14.9% 32.8% 0.63 5.10
2025 DET 31 31 161.0 8-15 10 4.64 1.28 4.29 3.85 3.75 3.33 27.6% 8.7% 8.2 1.29 .307 19.8% 70.5% 43.8% 38.9% 12.5% 30.5% 0.58 5.05
2026 DET 6 6 25.1 0-2 1 5.33 1.74 5.30 6.07 5.73 5.33 22.7% 17.7% 7.8 1.42 .301 21.7% 70.8% 42.5% 31.6% 9.8% 27.3% 0.41 4.83
SP MLB Percentile - - - --- - - - - - - - - - - - - - - - - - - - -
SP MLB AVG 6 5 26.0 1-2 1 4.52 1.39 4.45 4.41 4.34 3.26 22.0% 9.5% 8.5 1.17 .292 18.3% 72.6% 39.0% 44.0% 11.6% 27.8% 0.47 5.00
Career 196 190 1,016.0 63-58 77 3.84 1.21 4.44 3.95 3.99 3.47 27.3% 8.8% 7.6 1.23 .288 30.0% 75.9% 28.3% 41.7% 13.5% 30.6% 0.57 5.03

Jack Flaherty Repertoire

2018 2019 2020 2021 2022 2023 2024 2025 2026 All
Hide MLB Percentile | Hide MLB Average

Jack Flaherty Game Log

Jack Flaherty Standard

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2017 STL 6 5 21.1 0-2 0 0 - 357 228 129 94 23 16 2 1 4 20 10 1 0
2018 STL 28 28 151.0 8-9 10 0 0 2,587 1,625 962 615 108 70 17 1 20 182 59 11 6
2019 STL 33 33 196.1 11-8 20 0 0 3,179 2,049 1,130 772 135 85 24 1 25 231 55 7 6
2020 STL 9 9 40.1 4-3 2 0 0 719 452 267 170 33 23 4 0 6 49 16 3 1
2021 STL 17 15 78.1 9-2 9 0 0 1,353 830 523 322 57 34 11 0 12 85 26 6 4
2022 STL 9 8 36.0 2-1 2 0 0 662 390 272 167 36 23 7 2 4 33 22 5 0
2023 BAL/STL 29 27 144.1 8-9 8 0 1 2,634 1,617 1,016 650 162 106 37 2 17 148 66 12 8
2024 DET/LAD 28 28 162.0 13-7 15 0 0 2,646 1,698 948 649 135 88 18 5 24 194 38 4 6
2025 DET 31 31 161.0 8-15 10 0 0 2,831 1,801 1,030 681 147 92 31 1 23 188 59 5 4
2026 DET 6 6 25.1 0-2 1 0 0 593 336 257 141 27 17 4 1 5 32 25 4 1
SP MLB Percentile - - - --- - - - - - - - - - - - - - - - -
SP MLB AVG 6 5 26.0 1-2 1 0 0 443 280 163 113 25 16 5 0 3 25 10 1 1
Career 196 190 1,016.0 63-58 77 0 1 17,561 11,026 6,534 4,261 863 554 155 14 140 1,162 376 58 36

Jack Flaherty Advanced

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2017 STL 21.3% 10.6% .284 .481 .843 .354 .322 .365 - - - - - - - -
2018 STL 29.6% 9.6% .199 .345 .635 .281 .258 .299 - - - - - - - -
2019 STL 29.9% 7.1% .192 .335 .591 .254 .244 .284 - - - - - - - -
2020 STL 28.8% 9.4% .221 .369 .677 .299 .284 .327 .257 .331 .346 .417 87.3 90.8 8.7 4.88
2021 STL 26.4% 8.1% .199 .364 .642 .280 .236 .281 .220 .308 .259 .374 89.2 93.8 12.7 4.08
2022 STL 19.8% 13.2% .259 .424 .804 .358 .314 .340 .238 .349 .280 .365 85.3 89.3 9.7 4.97
2023 BAL/STL 22.8% 10.2% .287 .450 .820 .356 .357 .383 .272 .352 .329 .412 88.1 88.2 11.6 5.37
2024 DET/LAD 29.9% 5.9% .223 .388 .661 .288 .286 .328 .237 .299 .313 .402 88.0 90.1 13.5 3.58
2025 DET 27.6% 8.7% .239 .406 .717 .313 .307 .344 .239 .323 .299 .409 89.2 90.1 15.7 4.29
2026 DET 22.7% 17.7% .248 .440 .843 .382 .301 .346 .228 .379 .266 .400 88.1 88.9 22.4 5.30
SP MLB Percentile - - - - - - - - - - - - - - - -
SP MLB AVG 22.0% 9.5% .245 .402 .725 .325 .292 .323 .243 .329 .286 .375 88.8 90.1 13.5 4.45
Career 27.3% 8.8% .227 .386 .691 .310 .288 .326 .209 .307 .304 .411 88.3 90.0 13.4 4.44

Jack Flaherty Pitch › Mix

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2018 STL 18.4% (93.0) 5.7% (90.8) - 11.6% (83.6) - 4.6% (77.1) 1.1% (85.7) - - 24.1% 17.3%
2019 STL 18.2% (94.2) 3.9% (91.7) - 11.4% (84.6) - 4.2% (78.0) 0.8% (86.1) - - 22.1% 16.4%
2020 STL 50.8% (93.7) 4.0% (92.0) - 28.7% (84.4) - 13.6% (77.3) 2.9% (87.7) - - 54.8% 45.2%
2021 STL 51.1% (93.6) 5.9% (90.8) - 28.4% (83.7) - 13.1% (76.2) 1.6% (84.3) - - 57.0% 43.0%
2022 STL 48.5% (93.3) 5.7% (91.0) 2.6% (88.1) 26.0% (83.9) - 16.5% (77.2) 0.8% (86.2) - - 54.2% 45.8%
2023 BAL/STL 41.7% (93.1) 2.0% (90.1) 9.1% (88.7) 24.6% (84.2) - 19.4% (76.2) 3.3% (85.3) - - 43.7% 56.3%
2024 DET/LAD 43.0% (93.3) 2.1% (90.4) - 28.2% (84.7) - 21.2% (77.4) 2.6% (85.7) - - 45.1% 52.0%
2025 DET 46.9% (92.9) 1.6% (90.7) - 23.6% (84.9) - 25.3% (77.8) 2.5% (85.8) - - 48.5% 51.5%
2026 DET 45.2% (92.7) 6.2% (90.6) - 24.5% (84.7) - 20.5% (78.1) 3.6% (85.2) - - 51.4% 48.6%
SP MLB Percentile - - - - - - - - - - -
SP MLB AVG 32.8% (94.2) 19.9% (93.6) 16.5% (89.2) 18.5% (86.1) 16.1% (82.3) 14.3% (79.8) 16.3% (86.3) 21.6% (86.4) 33.3% (80.6) 46.6% 53.3%
Career 36.3% (93.3) 3.5% (91.0) 1.5% (88.7) 21.1% (84.4) - 14.8% (77.2) 2.0% (85.7) - - 39.9% 39.4%

Jack Flaherty Pitch › Results

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2018 STL 30.7% (45) 23.0% (17) - 35.7% (75) - 39.5% (20) 20.7% (3) - - 28.8% 138.6%
2019 STL 28.1% (51) 16.0% (13) - 33.6% (72) - 35.6% (17) 22.2% (3) - - 25.9% 155.2%
2020 STL 35.1% (40) 13.8% (2) - 37.4% (54) - 27.6% (13) 19.0% (2) - - 33.5% 33.2%
2021 STL 28.7% (54) 22.5% (9) - 32.6% (79) - 28.2% (25) 14.3% (3) - - 28.0% 30.6%
2022 STL 25.5% (29) 15.8% (1) 17.6% (2) 27.9% (29) - 32.1% (14) 0.0% (0) - - 24.5% 28.4%
2023 BAL/STL 30.6% (95) 5.8% (1) 28.0% (28) 27.8% (85) - 33.4% (97) 12.8% (2) - - 29.5% 28.9%
2024 DET/LAD 34.4% (125) 18.2% (6) - 31.6% (133) - 35.2% (116) 10.0% (2) - - 33.6% 33.9%
2025 DET 31.6% (102) 17.8% (5) - 29.1% (88) - 32.4% (152) 12.5% (6) - - 31.1% 29.9%
2026 DET 26.4% (15) 25.8% (4) - 27.6% (13) - 30.1% (17) 5.6% (0) - - 26.4% 27.0%
SP MLB Percentile - - - - - - - - - - -
SP MLB AVG 26.9% (14) 26.5% (5) 27.1% (8) 30.0% (12) 28.8% (9) 28.7% (8) 23.6% (12) 23.1% (16) 20.7% (6) 27.5% 28.0%
Career 30.9% (556) 18.4% (58) 27.3% (30) 31.1% (628) - 33.1% (471) 13.5% (21) - - 29.8% 47.5%

Jack Flaherty Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2018 STL - - - - - - - - 17.8% - - - - -
2019 STL - - - - - - - - 18.2% - - - - -
2020 STL 47.1% 28.4% 19.6% 4.9% 37.3% 40.2% 36.3% 23.5% 15.3% 54.9% 30.4% 7.8% 6.9% 45.1%
2021 STL 41.5% 24.4% 25.9% 8.3% 39.5% 39.0% 35.1% 25.9% 17.1% 58.1% 23.4% 9.3% 9.3% 42.0%
2022 STL 42.1% 29.0% 25.2% 3.7% 40.2% 49.5% 29.0% 21.5% 16.5% 63.5% 22.4% 8.4% 5.6% 36.4%
2023 BAL/STL 44.7% 25.3% 25.5% 4.7% 40.7% 46.6% 29.1% 24.3% 16.2% 57.4% 30.3% 5.9% 6.6% 42.8%
2024 DET/LAD 42.3% 23.8% 26.5% 7.5% 40.0% 44.6% 32.0% 23.5% 15.8% 59.6% 27.8% 5.0% 7.8% 39.2%
2025 DET 38.9% 23.3% 27.0% 10.7% 38.2% 43.1% 32.2% 24.7% 18.0% 56.2% 28.9% 5.1% 9.8% 43.8%
2026 DET 31.6% 20.3% 29.1% 19.0% 35.4% 45.0% 28.8% 26.3% 15.9% 57.0% 25.3% 8.9% 8.9% 42.5%
SP MLB Percentile - - - - - - - - - - - - - -
SP MLB AVG 44.0% 21.8% 24.1% 10.1% 35.2% 42.6% 32.7% 24.7% 18.0% 60.8% 24.5% 6.4% 8.3% 39.0%
Career 41.7% 24.5% 26.0% 7.9% 39.3% 44.1% 31.6% 24.3% 17.1% 57.9% 27.9% 6.3% 8.0% 28.3%

Jack Flaherty Batted Ball › Outcomes

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2018 STL .199 .281 .258 .299 - - - - - - - - - -
2019 STL .192 .254 .244 .284 - - - - - - - - - -
2020 STL .221 .299 .284 .327 .257 .331 .346 .417 87.3 90.8 8.7 30.0% 45.1% 27.1%
2021 STL .199 .280 .236 .281 .220 .308 .259 .374 89.2 93.8 12.7 22.6% 42.0% 26.7%
2022 STL .259 .358 .314 .340 .238 .349 .280 .365 85.3 89.3 9.7 14.8% 36.4% 23.4%
2023 BAL/STL .287 .356 .357 .383 .272 .352 .329 .412 88.1 88.2 11.6 15.7% 42.8% 27.8%
2024 DET/LAD .223 .288 .286 .328 .237 .299 .313 .402 88.0 90.1 13.5 22.6% 39.2% 25.0%
2025 DET .239 .313 .307 .344 .239 .323 .299 .409 89.2 90.1 15.7 19.8% 43.8% 27.6%
2026 DET .248 .382 .301 .346 .228 .379 .266 .400 88.1 88.9 22.4 21.7% 42.5% 24.1%
SP MLB Percentile - - - - - - - - - - - - - -
SP MLB AVG .245 .325 .292 .323 .243 .329 .286 .375 88.8 90.1 13.5 18.3% 39.0% 26.3%
Career .227 .310 .288 .326 .209 .307 .304 .411 88.3 90.0 13.4 30.0% 28.3% 17.7%

Jack Flaherty Approach › Plate Discipline

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR Str-ICR
2018 STL - 62.8% 46.4% - 31.4% 17.8% 68.6% - - 16.4% 14.6% 31.0% 14.0% 58.6% 0.60 -
2019 STL - 64.5% 48.0% - 30.8% 18.2% 69.2% - - 16.4% 14.8% 31.2% 15.1% 60.2% 0.61 -
2020 STL 43.5% 62.9% 44.9% 27.8% 34.4% 15.3% 65.6% 81.0% 37.2% 17.9% 15.4% 33.4% 14.2% 58.3% 0.64 50.1%
2021 STL 45.5% 61.3% 44.8% 25.5% 28.1% 17.1% 71.9% 82.1% 49.5% 16.6% 12.6% 29.1% 15.2% 57.1% 0.51 48.6%
2022 STL 43.4% 58.9% 44.0% 24.5% 25.8% 16.5% 74.2% 82.4% 56.5% 15.0% 11.3% 26.3% 16.2% 53.5% 0.38 47.1%
2023 BAL/STL 42.1% 61.4% 43.9% 28.0% 26.6% 16.2% 73.4% 82.6% 57.6% 17.5% 11.7% 29.2% 16.1% 55.2% 0.49 47.6%
2024 DET/LAD 40.1% 64.2% 46.2% 31.4% 32.1% 15.8% 67.9% 80.3% 50.7% 18.0% 14.9% 32.8% 15.6% 59.1% 0.63 51.9%
2025 DET 43.0% 63.6% 45.6% 30.4% 27.3% 18.0% 72.7% 83.3% 55.4% 18.0% 12.5% 30.5% 15.2% 58.4% 0.58 50.3%
2026 DET 42.5% 56.7% 39.1% 21.4% 25.0% 15.9% 75.0% 84.3% 54.8% 17.5% 9.8% 27.3% 13.5% 52.1% 0.41 45.2%
SP MLB Percentile - - - - - - - - - - - - - - - -
SP MLB AVG 44.3% 63.0% 46.8% 31.2% 24.7% 18.0% 75.3% 84.7% 59.5% 16.2% 11.6% 27.8% 17.2% 57.5% 0.47 49.6%
Career 28.2% 62.8% 45.6% 28.6% 29.5% 17.1% 70.5% 82.1% 53.0% 17.1% 13.5% 30.6% 15.1% 57.9% 0.57 54.2%

Jack Flaherty Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2018 STL - - - - - - - - - -
2019 STL - - - - - - - - - -
2020 STL 43.5% 35.3% 24.5% 40.2% 14.6% 24.3% 61.1% 27.7% 47.8% 6.7%
2021 STL 45.5% 36.7% 24.5% 38.7% 22.2% 24.6% 53.1% 27.3% 48.1% 5.8%
2022 STL 43.4% 36.1% 23.4% 40.5% 25.5% 22.8% 51.7% 31.7% 44.9% 6.3%
2023 BAL/STL 42.1% 35.5% 25.0% 39.5% 21.3% 22.9% 55.8% 26.2% 48.8% 5.7%
2024 DET/LAD 40.1% 40.0% 27.3% 32.7% 18.4% 22.0% 59.7% 21.4% 51.3% 5.7%
2025 DET 43.0% 34.6% 25.3% 40.1% 15.2% 20.8% 64.0% 21.7% 53.1% 5.3%
2026 DET 42.5% 32.7% 22.8% 44.5% 20.1% 20.9% 59.0% 23.3% 54.0% 4.4%
SP MLB Percentile - - - - - - - - - -
SP MLB AVG 44.3% 35.4% 27.3% 37.3% 35.1% 22.4% 42.5% 29.4% 43.2% 6.5%
Career 28.2% 36.3% 25.3% 38.4% 19.0% 22.3% 58.7% 24.4% 50.3% 5.7%

Jack Flaherty Approach › Counts

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2018 STL 55.5% 13.1% 31.5% 11.4% 57.4% 48.5% 21.7% - 22.3%
2019 STL 56.8% 11.5% 31.7% 11.5% 60.4% 50.9% 21.4% - 22.8%
2020 STL 56.1% 12.4% 31.6% 11.4% 61.8% 54.7% 23.6% 21.1% 21.6%
2021 STL 56.2% 12.9% 31.0% 12.1% 58.7% 49.7% 21.4% 18.8% 20.2%
2022 STL 56.3% 16.3% 27.3% 12.9% 54.5% 45.5% 19.3% 20.4% 18.2%
2023 BAL/STL 57.5% 13.7% 29.0% 13.1% 58.9% 50.2% 22.8% 26.7% 19.3%
2024 DET/LAD 57.3% 12.1% 30.7% 12.5% 61.2% 51.5% 22.3% 29.7% 23.9%
2025 DET 56.6% 11.4% 32.1% 11.9% 64.3% 53.8% 23.6% 28.0% 20.7%
2026 DET 55.1% 16.4% 28.5% 11.9% 58.9% 46.8% 20.2% 20.1% 18.9%
SP MLB Percentile - - - - - - - - -
SP MLB AVG 58.0% 12.5% 29.7% 14.6% 60.7% 49.3% 21.1% 26.7% 18.8%
Career 56.6% 12.6% 30.8% 12.1% 60.1% 50.7% 22.2% 16.9% 21.5%

Jack Flaherty PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2018 STL 2,587 - - - - - - - - -
2019 STL 3,179 - - - - - - - - -
2020 STL 719 4.82 39.9% 20.2% 39.9% 0.0% 5.5% -3.0 0 3.20
2021 STL 1,353 5.07 47.3% 15.4% 37.3% 10.0% 3.0% -2.5 -1 3.54
2022 STL 662 4.82 44.1% 16.6% 39.3% 4.8% 4.4% 12.6 +13 4.28
2023 BAL/STL 2,634 5.05 47.3% 17.1% 35.6% 11.7% 4.4% 43.0 +38 3.65
2024 DET/LAD 2,646 5.10 45.6% 20.0% 34.4% 11.2% 4.0% 7.3 +25 3.00
2025 DET 2,831 5.05 47.9% 17.1% 35.0% 12.9% 3.8% 20.4 +19 3.33
2026 DET 593 4.83 46.0% 15.7% 38.3% 7.8% 3.2% 9.1 +2 5.33
SP MLB Percentile - - - - - - - - - -
SP MLB AVG 443 5.00 46.5% 18.0% 35.5% 11.0% 4.5% 3.3 +3 3.26
Career 17,561 5.03 46.5% 17.6% 35.9% 10.5% 4.0% 86.9 +95 3.47
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