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Jesse Hahn

Relief Pitcher

Seattle Mariners

Bats / Throws Right / Right
Date of Birth 7/30/1989 (35)
Height, Weight 6'5", 205 lb
Hometown Norwich, CT

2025 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 4.0 0.00 1.75 17.6% 23.5%
72nd 1
Sv
252nd 7
IP
1st 4.83
ERA
244th 1.46
WHIP
220th 22.4%
K%
314th 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.0 11.8% 25.5% 47.1% 0.0% 4.80 3.00
52nd 93.9
FB MPH
171st 12.4%
SwStr%
235th 28.4%
CSW%
226th 49.5%
Str-ICR
1st 5.3%
MTK%
251st 4.97
PLV
130th -
PLA

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Jesse Hahn Overview

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Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR GB% SwStr% CSW% IPR PLV
2014 SD 14 12 73.1 7-4 0 - 3.07 1.21 - 3.41 - - 22.9% 10.5% 7.0 0.49 .275 - 76.7% - - - - - -
2015 OAK 16 16 96.2 6-6 0 - 3.35 1.17 - 3.51 - - 15.8% 6.2% 8.2 0.47 .274 - 65.8% - - - - - -
2016 OAK 9 9 46.1 2-4 0 - 6.02 1.64 - 5.64 - - 11.3% 9.4% 11.1 1.55 .322 - 67.9% - - - - - -
2017 OAK 14 13 69.2 3-6 0 - 5.30 1.51 - 3.62 - - 17.4% 8.5% 10.1 0.52 .332 - 60.5% - - - - - -
2019 KC 6 0 4.2 0-1 0 0 13.50 2.79 - 7.26 - - 25.9% 22.2% 13.5 1.93 .462 - 51.7% - - 13.1% 30.8% 0.57 -
2020 KC 18 0 17.1 1-0 3 5 0.52 0.69 1.87 2.55 4.21 3.07 29.2% 12.3% 2.1 0.00 .108 0.0% 92.3% 27.0% 42.9% 9.9% 31.2% 0.62 5.11
2021 KC 5 0 3.1 0-0 1 1 13.50 2.70 7.87 14.46 6.94 9.58 15.8% 21.1% 13.5 5.40 .333 200.0% 69.4% 54.5% 63.6% 5.7% 23.9% 0.32 4.29
2025 SEA 2 0 4.0 0-1 0 0 0.00 1.75 3.32 4.54 4.54 3.00 17.6% 23.5% 6.8 0.00 .333 - 85.7% 20.0% 80.0% 11.8% 25.5% 0.22 4.80
RP MLB Percentile 15 0 21 0-5 0 0 83 25 58 38 35 60 32 4 56 54 27 - 66 96 98 47 28 9 22
RP MLB AVG 7 0 7.0 0-0 1 1 4.83 1.46 4.77 4.74 4.60 3.46 22.4% 10.0% 8.8 1.16 .289 17.8% 73.8% 39.3% 44.2% 12.4% 28.4% 0.49 4.97
Career 84 50 315.1 19-22 4 6 4.17 1.34 - - - 0.03 18.0% 9.2% 8.5 0.68 .293 27.3% 68.0% 25.0% 53.6% 10.0% 29.4% 0.52 4.90

Jesse Hahn Repertoire

2019 2020 2021 2025 All
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Jesse Hahn Game Log

Jesse Hahn 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
2014 SD 14 12 73.1 7-4 7 0 - 1,180 739 441 306 57 40 11 2 4 70 32 4 4
2015 OAK 16 16 96.2 6-6 10 0 - 1,531 972 559 406 88 66 17 0 5 64 25 8 7
2016 OAK 9 9 46.1 2-4 4 0 - 712 443 269 203 57 43 5 1 8 23 19 0 2
2017 OAK 14 13 69.2 3-6 6 0 - 1,207 739 468 316 78 56 15 3 4 55 27 3 2
2019 KC 6 0 4.2 0-1 0 0 0 107 65 42 27 7 4 2 0 1 7 6 0 0
2020 KC 18 0 17.1 1-0 0 3 5 292 182 110 65 4 3 1 0 0 19 8 1 2
2021 KC 5 0 3.1 0-0 0 1 1 88 48 40 19 5 3 0 0 2 3 4 1 1
2025 SEA 2 0 4.0 0-1 0 0 0 51 28 23 17 3 3 0 0 0 3 4 0 0
RP MLB Percentile 15 0 21 0-5 0 0 0 15 14 81 21 75 54 69 11 53 19 23 31 25
RP MLB AVG 7 0 7.0 0-0 0 1 1 121 77 44 31 6 4 1 0 1 7 3 0 0
Career 84 50 315.1 19-22 27 4 6 5,168 3,216 1,952 1,359 299 218 51 6 24 244 125 17 18

Jesse Hahn Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2014 SD 22.9% 10.5% .214 .316 .623 .284 .275 .289 - - - - - - - -
2015 OAK 15.8% 6.2% .238 .324 .623 .277 .274 .286 - - - - - - - -
2016 OAK 11.3% 9.4% .313 .484 .860 .369 .322 .356 - - - - - - - -
2017 OAK 17.4% 8.5% .283 .402 .748 .324 .332 .344 - - - - - - - -
2019 KC 25.9% 22.2% .333 .571 1.052 .435 .462 .500 - - - - - - - -
2020 KC 29.2% 12.3% .071 .089 .289 .157 .108 .108 .133 .212 .205 .201 86.5 83.7 15.7 1.87
2021 KC 15.8% 21.1% .357 .786 1.312 .534 .333 .455 .270 .429 .275 .423 98.9 107.9 13.9 7.87
2025 SEA 17.6% 23.5% .250 .250 .688 .259 .333 .333 .170 .195 .226 .184 82.4 - -7.6 3.32
RP MLB Percentile 32 4 38 71 48 64 27 37 77 58 74 94 90 - 98 58
RP MLB AVG 22.4% 10.0% .241 .391 .717 .318 .289 .317 .239 .322 .282 .364 88.4 89.8 12.9 4.77
Career 18.0% 9.2% .250 .363 .690 .310 .293 .310 .150 .260 .222 .247 88.2 85.9 11.2 -

Jesse Hahn 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%
2019 KC 2.8% (94.0) 36.4% (95.2) - 20.6% (85.8) - - 3.7% (87.3) - - 39.3% 24.3%
2020 KC 0.7% (95.6) 55.8% (94.9) - 6.2% (83.1) - 37.3% (78.5) - - - 56.5% 43.5%
2021 KC - 67.0% (94.5) - 10.2% (84.9) - 22.7% (77.5) - - - 67.0% 33.0%
2025 SEA - 66.7% (95.0) - 3.9% (82.9) 15.7% (82.0) 13.7% (79.2) - - - 66.7% 33.3%
RP MLB Percentile - 96 (69) - - 31 (49) 39 (28) - - - 89.6% 9.5%
RP MLB AVG 38.4% (93.9) 28.5% (93.5) 26.5% (89.4) 29.2% (85.6) 25.2% (81.9) 19.5% (80.3) 20.0% (85.9) 21.8% (86.9) - (-) 47.6% 52.3%
Career 0.9% (94.6) 54.8% (94.9) - 9.5% (84.6) 1.5% (84.6) 25.3% (78.4) 0.7% (87.3) - - 55.8% 37.0%

Jesse Hahn 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%
2019 KC 33.3% (0) 33.3% (4) - 31.8% (4) - - 0.0% (0) - - 33.3% 73.1%
2020 KC 0.0% (0) 30.1% (12) - 27.8% (5) - 33.9% (12) - - - 29.7% 33.1%
2021 KC - 27.1% (4) - 0.0% (0) - 25.0% (1) - - - 27.1% 17.2%
2025 SEA - 20.6% (3) - 0.0% (0) 50.0% (2) 28.6% (1) - - - 20.6% 35.3%
RP MLB Percentile - 22 (27) - 98 (-) 91 (58) 47 (57) - - - 17.5% 78.5%
RP MLB AVG 26.8% (5) 28.3% (3) 27.6% (4) 30.8% (6) 30.9% (5) 28.7% (3) 23.1% (4) 26.1% (6) - (-) 27.4% 29.0%
Career 20.0% (0) 28.8% (23) - 23.5% (9) 50.0% (2) 32.4% (14) 0.0% (0) - - 28.7% 36.2%

Jesse Hahn 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
2019 KC - - - - - - - - 16.8% - - - - -
2020 KC 42.9% 17.1% 28.6% 11.4% 25.7% 32.4% 43.2% 24.3% 18.5% 71.4% 25.7% 2.9% 0.0% 27.0%
2021 KC 63.6% 18.2% 9.1% 9.1% 36.4% 54.5% 27.3% 18.2% 18.2% 45.5% 27.3% 9.1% 18.2% 54.5%
2025 SEA 80.0% 20.0% 0.0% 0.0% 20.0% 30.0% 50.0% 20.0% 9.8% 80.0% 20.0% 0.0% 0.0% 20.0%
RP MLB Percentile 98 49 0 0 87 15 89 35 6 93 61 67 73 96
RP MLB AVG 44.2% 21.6% 24.1% 10.1% 34.7% 41.3% 33.5% 25.2% 17.5% 61.6% 23.8% 6.3% 8.2% 39.3%
Career 53.6% 17.9% 19.6% 8.9% 26.8% 36.2% 41.4% 22.4% 17.3% 67.9% 25.0% 3.6% 3.6% 25.0%

Jesse Hahn 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%
2019 KC .333 .435 .462 .500 - - - - - - - - - -
2020 KC .071 .157 .108 .108 .133 .212 .205 .201 86.5 83.7 15.7 0.0% 27.0% 15.4%
2021 KC .357 .534 .333 .455 .270 .429 .275 .423 98.9 107.9 13.9 200.0% 54.5% 31.6%
2025 SEA .250 .259 .333 .333 .170 .195 .226 .184 82.4 - -7.6 - 20.0% 11.8%
RP MLB Percentile 38 64 27 37 77 58 74 94 90 - 98 - 96 95
RP MLB AVG .241 .318 .289 .317 .239 .322 .282 .364 88.4 89.8 12.9 17.8% 39.3% 26.5%
Career .250 .310 .293 .310 .150 .260 .222 .247 88.2 85.9 11.2 27.3% 25.0% 14.1%

Jesse Hahn 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
2019 KC - 60.7% 43.0% - 30.4% 16.8% 69.6% - - 17.8% 13.1% 30.8% 13.1% 54.2% 0.57 -
2020 KC 46.2% 62.3% 41.1% 28.7% 24.2% 18.5% 75.8% 81.3% 66.7% 21.2% 9.9% 31.2% 12.7% 61.0% 0.62 55.5%
2021 KC 40.9% 54.5% 36.4% 19.2% 15.6% 18.2% 84.4% 86.4% 80.0% 18.2% 5.7% 23.9% 12.5% 48.9% 0.32 40.9%
2025 SEA 39.2% 54.9% 41.2% 25.8% 28.6% 9.8% 71.4% 84.6% 50.0% 13.7% 11.8% 25.5% 19.6% 49.0% 0.22 47.1%
RP MLB Percentile 13 8 15 32 60 6 60 42 63 29 47 28 73 7 9 29
RP MLB AVG 45.7% 63.1% 47.1% 30.1% 26.0% 17.5% 74.0% 82.9% 56.5% 16.0% 12.4% 28.4% 17.2% 57.7% 0.49 49.5%
Career 35.5% 62.2% 40.7% 26.3% 24.7% 17.3% 75.3% 82.7% 66.7% 19.3% 10.0% 29.4% 13.4% 56.5% 0.52 53.3%

Jesse Hahn Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2019 KC - - - - - - - - - -
2020 KC 46.2% 31.8% 19.9% 48.3% 31.2% 27.1% 41.8% 38.0% 42.1% 7.9%
2021 KC 40.9% 31.8% 27.3% 40.9% 38.6% 26.1% 35.2% 35.2% 37.5% 10.2%
2025 SEA 39.2% 39.2% 19.6% 41.2% 31.4% 29.4% 39.2% 37.3% 43.1% 3.9%
RP MLB Percentile 13 70 87 60 55 21 34 85 48 13
RP MLB AVG 45.7% 34.7% 25.7% 39.6% 31.3% 24.7% 44.1% 30.1% 44.2% 6.6%
Career 35.5% 32.7% 21.3% 45.9% 32.7% 27.1% 40.1% 37.4% 41.3% 7.9%

Jesse Hahn Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2019 KC 56.1% 14.0% 30.8% 11.7% 69.2% 61.5% 26.7% - 21.2%
2020 KC 54.5% 14.4% 31.2% 8.2% 58.5% 52.3% 28.9% 33.0% 20.9%
2021 KC 52.3% 17.0% 30.7% 8.7% 52.6% 52.6% 28.3% 18.5% 11.1%
2025 SEA 70.6% 35.3% 17.6% 19.4% 50.0% 25.0% 8.3% 22.2% 33.3%
RP MLB Percentile 97 1 4 85 16 3 4 40 93
RP MLB AVG 58.5% 12.5% 29.6% 14.1% 58.9% 48.5% 20.6% 25.0% 19.3%
Career 55.9% 16.7% 29.7% 10.3% 58.7% 50.8% 25.9% 23.1% 20.0%

Jesse Hahn PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2019 KC 107 - - - - - - - - -
2020 KC 292 5.11 52.1% 10.3% 37.7% 14.4% 1.7% -8.1 -6 3.07
2021 KC 88 4.29 37.5% 14.8% 47.7% -10.2% 6.8% 4.1 +2 9.58
2025 SEA 51 4.80 51.0% 9.8% 39.2% 11.8% 0.0% -0.4 +1 3.00
RP MLB Percentile 15 22 79 4 30 30 94 60 32 60
RP MLB AVG 121 4.97 45.8% 18.2% 36.0% 9.8% 5.3% - +1 3.46
Career 5,168 4.90 49.0% 11.1% 39.9% 9.0% 2.6% -4.4 -2 0.03
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