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Jack Flaherty

#9 - Starting Pitcher

Detroit Tigers

Bats / Throws Right / Right
Date of Birth 10/15/1995 (29)
Height, Weight 6'4", 225 lb
Hometown Burbank, CA

2025 Season Stats

MLB Rank MLB Average
W-L IP ERA WHIP K% BB%
1-5 41.0 4.61 1.24 28.9% 8.1%
108th 2
W
72nd 32
IP
125th 4.77
ERA
79th 1.41
WHIP
23rd 20.8%
K%
94th 9.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
92.8 14.1% 31.1% 49.1% 3.2% 5.01 3.47
125th 93.6
FB MPH
31st 11.2%
SwStr%
27th 27.4%
CSW%
103rd 48.9%
Str-ICR
18th 5.7%
MTK%
97th 5.00
PLV
120th -
PLA
The List
Rank
24th
x2
x2
x2

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Jack Flaherty Overview

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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 8 8 41.0 1-5 1 4.61 1.24 4.97 4.63 3.64 3.47 28.9% 8.1% 8.1 1.98 .283 26.5% 76.1% 45.4% 37.0% 14.1% 31.1% 0.58 5.01
SP MLB Percentile 59 59 63 22-2 29 37 59 33 40 70 40 88 52 58 14 51 22 55 15 23 84 85 86 51
SP MLB AVG 6 6 32.0 2-2 2 4.77 1.41 4.46 4.51 4.31 3.22 20.8% 9.0% 9.0 1.33 .295 20.2% 72.5% 40.3% 42.9% 11.2% 27.4% 0.46 5.00
Career 167 161 870.2 56-46 67 3.68 1.19 - - - 1.92 27.5% 8.5% 7.5 1.25 .284 33.6% 77.3% 25.6% 42.8% 13.8% 30.8% 0.57 5.03

Jack Flaherty Repertoire

2018 2019 2020 2021 2022 2023 2024 2025 All
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Jack Flaherty Game Log

Jack Flaherty Standard

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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 8 8 41.0 1-5 1 0 0 717 450 267 173 37 21 6 1 9 50 14 1 0
SP MLB Percentile 59 59 63 22-2 29 0 0 80 74 13 63 30 44 37 4 2 91 29 29 49
SP MLB AVG 6 6 32.0 2-2 2 0 0 530 338 192 137 30 20 6 0 4 29 11 1 1
Career 167 161 870.2 56-46 67 0 1 14,854 9,339 5,514 3,612 726 466 126 13 121 992 306 50 31

Jack Flaherty Advanced

Hide 2025 MLB Percentile | Hide 2025 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 28.9% 8.1% .236 .459 .760 .331 .283 .343 .252 .353 .305 .469 89.7 90.3 15.5 4.97
SP MLB Percentile 88 52 58 27 38 41 51 36 46 33 33 10 45 57 34 33
SP MLB AVG 20.8% 9.0% .255 .421 .747 .330 .295 .329 .253 .335 .289 .384 89.3 90.6 13.8 4.46
Career 27.5% 8.5% .225 .384 .684 .304 .284 .322 .203 .298 .308 .412 88.1 90.1 12.3 -

Jack Flaherty Pitch › Mix

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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 41.8% (92.8) 2.0% (90.5) - 27.2% (84.3) - 25.9% (77.2) 3.1% (85.3) - - 43.8% 56.2%
SP MLB Percentile 63 (34) 1 (12) - 72 (30) - 89 (16) 3 (36) - - 34.0% 64.5%
SP MLB AVG 35.6% (93.6) 20.4% (93.0) 17.2% (88.8) 19.2% (85.3) 16.6% (81.6) 14.8% (79.5) 15.7% (85.9) 19.4% (86.2) - (-) 47.2% 52.8%
Career 34.3% (93.4) 3.7% (91.0) 1.8% (88.7) 20.8% (84.3) - 13.1% (76.9) 1.9% (85.6) - - 38.0% 37.5%

Jack Flaherty Pitch › Results

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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 27.7% (15) 21.4% (2) - 32.8% (35) - 37.6% (47) 13.6% (2) - - 27.4% 34.0%
SP MLB Percentile 56 (53) 19 (19) - 69 (91) - 83 (98) 10 (8) - - 53.5% 91.5%
SP MLB AVG 26.9% (18) 26.7% (6) 26.6% (9) 28.5% (15) 28.7% (13) 30.0% (11) 22.7% (13) 22.9% (18) - (-) 27.0% 27.6%
Career 30.7% (454) 18.1% (51) 27.3% (30) 31.8% (562) - 34.0% (349) 14.2% (17) - - 29.5% 52.1%

Jack Flaherty Batted Ball › Contact

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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 37.0% 25.0% 31.5% 6.5% 45.4% 44.4% 31.5% 24.1% 16.6% 54.7% 29.6% 4.6% 11.1% 45.4%
SP MLB Percentile 23 24 87 21 8 65 39 45 29 17 17 73 19 15
SP MLB AVG 42.9% 22.4% 24.6% 10.2% 35.9% 42.2% 32.6% 25.1% 17.9% 59.5% 25.4% 6.6% 8.5% 40.3%
Career 42.8% 25.2% 25.9% 6.2% 40.4% 44.4% 31.6% 24.0% 16.9% 58.2% 27.8% 6.4% 7.7% 25.6%

Jack Flaherty Batted Ball › Outcomes

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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 .236 .331 .283 .343 .252 .353 .305 .469 89.7 90.3 15.5 26.5% 45.4% 28.3%
SP MLB Percentile 58 41 51 36 46 33 33 10 45 57 34 22 15 48
SP MLB AVG .255 .330 .295 .329 .253 .335 .289 .384 89.3 90.6 13.8 20.2% 40.3% 27.8%
Career .225 .304 .284 .322 .203 .298 .308 .412 88.1 90.1 12.3 33.6% 25.6% 16.0%

Jack Flaherty Approach › Plate Discipline

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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 42.1% 62.8% 45.7% 30.4% 30.8% 16.6% 69.2% 83.7% 46.0% 17.0% 14.1% 31.1% 15.1% 57.6% 0.58 49.1%
SP MLB Percentile 11 40 36 59 88 29 88 64 93 60 84 85 11 50 86 48
SP MLB AVG 46.7% 63.2% 47.0% 29.0% 23.7% 17.9% 76.3% 84.8% 59.1% 16.3% 11.2% 27.4% 17.9% 57.4% 0.46 48.9%
Career 25.4% 62.9% 45.9% 28.6% 30.1% 16.9% 69.9% 81.8% 51.5% 16.9% 13.8% 30.8% 15.2% 58.0% 0.57 55.1%

Jack Flaherty Approach › Locations

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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 42.1% 27.5% 23.8% 48.7% 15.3% 19.7% 65.0% 20.5% 55.6% 5.3%
SP MLB Percentile 11 14 78 94 3 92 98 7 96 17
SP MLB AVG 46.7% 35.5% 26.2% 38.2% 30.4% 24.8% 44.9% 28.2% 45.5% 6.7%
Career 25.4% 36.4% 25.4% 38.3% 19.9% 22.7% 57.4% 25.0% 49.6% 5.8%

Jack Flaherty Approach › Counts

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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 56.1% 11.2% 32.8% 10.9% 63.6% 51.4% 23.1% 24.3% 21.3%
SP MLB Percentile 18 63 85 6 62 64 71 51 72
SP MLB AVG 58.7% 12.1% 29.3% 15.4% 61.5% 49.8% 21.1% 24.0% 18.2%
Career 56.6% 12.7% 30.8% 12.0% 59.5% 50.3% 22.0% 14.9% 21.7%

Jack Flaherty PLV

Hide 2025 MLB Percentile | Hide 2025 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 46.0% 19.8% 34.3% 11.7% 3.8% 7.2 +24 3.00
2025 DET 717 5.01 45.5% 19.1% 35.4% 10.0% 3.2% 8.0 +7 3.47
SP MLB Percentile 80 51 43 64 49 49 90 20 22 40
SP MLB AVG 530 5.00 45.9% 18.4% 35.7% 10.3% 5.7% - +3 3.22
Career 14,854 5.03 46.0% 18.0% 36.0% 10.0% 4.0% 65.3 +80 1.92
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