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Trent Thornton

#46 - Relief Pitcher

Seattle Mariners

Bats / Throws Right / Right
Date of Birth 9/30/1993 (31)
Height, Weight 6'0", 190 lb
Hometown Pittsburgh, PA

2025 Season Stats

MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 15.1 5.87 1.30 16.9% 6.2%
97th 1
Sv
115th 11
IP
258th 4.76
ERA
177th 1.43
WHIP
259th 22.2%
K%
85th 10.0%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.2 9.4% 26.6% 44.2% 5.2% 5.18 2.51
180th 93.9
FB MPH
266th 12.1%
SwStr%
241st 28.4%
CSW%
318th 50.0%
Str-ICR
187th 5.5%
MTK%
64th 4.98
PLV
57th -
PLA
Holds List
Rank
92nd

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Trent Thornton 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
2019 TOR 32 29 154.1 6-9 0 0 4.84 1.41 - 4.59 - - 22.0% 8.9% 9.1 1.40 .302 - 71.7% - - 10.8% 27.5% 0.44 -
2020 TOR 3 3 5.2 0-0 0 0 11.12 3.18 5.12 2.61 6.97 4.23 18.2% 9.1% 23.8 0.00 .625 0.0% 61.1% 58.3% 29.2% 9.9% 22.1% 0.37 4.87
2021 TOR 37 3 49.0 1-3 0 0 4.78 1.43 5.00 5.46 3.92 3.77 24.1% 7.4% 9.9 2.20 .321 40.0% 71.7% 40.3% 44.1% 11.1% 27.1% 0.50 5.06
2022 TOR 32 0 46.0 0-2 0 3 4.11 1.24 4.88 4.66 4.42 2.31 19.6% 9.0% 7.8 1.37 .260 20.0% 76.8% 44.0% 36.6% 9.3% 29.4% 0.49 5.24
2023 SEA/TOR 27 1 31.1 1-2 0 4 2.01 1.15 3.80 4.25 4.13 2.06 20.8% 4.8% 8.6 1.44 .284 20.8% 82.8% 31.2% 40.9% 10.5% 29.9% 0.53 5.39
2024 SEA 71 0 72.1 4-3 1 10 3.61 1.13 3.58 3.47 3.74 2.62 26.2% 6.5% 7.8 1.00 .302 15.4% 72.6% 36.8% 41.7% 13.8% 31.0% 0.64 5.19
2025 SEA 16 0 15.1 1-0 0 5 5.87 1.30 5.67 6.96 4.59 2.51 16.9% 6.2% 9.4 2.93 .250 38.5% 78.6% 49.0% 53.1% 9.4% 26.6% 0.41 5.18
RP MLB Percentile 70 0 64 58-39 0 85 27 49 21 11 38 84 27 76 33 9 68 11 65 10 77 24 32 29 81
RP MLB AVG 11 0 11.0 1-1 1 2 4.76 1.43 4.67 4.54 4.41 3.62 22.2% 10.0% 8.8 1.11 .293 17.4% 71.7% 38.6% 43.9% 12.1% 28.4% 0.49 4.98
Career 218 36 374.0 13-19 1 22 4.40 1.34 - - - 1.62 22.4% 7.8% 9.0 1.47 .303 37.7% 72.9% 23.2% 41.4% 11.1% 28.3% 0.49 5.18

Trent Thornton Repertoire

2019 2020 2021 2022 2023 2024 2025 All
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Trent Thornton Game Log

Trent Thornton 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
2019 TOR 32 29 154.1 6-9 9 0 0 2,759 1,687 1,072 676 156 99 29 4 24 149 60 5 5
2020 TOR 3 3 5.2 0-0 0 0 0 131 85 46 33 15 12 3 0 0 6 3 0 0
2021 TOR 37 3 49.0 1-3 0 0 0 910 577 333 216 54 29 12 1 12 52 16 4 3
2022 TOR 32 0 46.0 0-2 0 0 3 664 434 230 189 40 27 6 0 7 37 17 1 1
2023 SEA/TOR 27 1 31.1 1-2 0 0 4 458 307 151 125 30 18 7 0 5 26 6 0 0
2024 SEA 71 0 72.1 4-3 0 1 10 1,139 772 367 294 63 38 16 1 8 77 19 5 4
2025 SEA 16 0 15.1 1-0 0 0 5 233 151 82 65 16 10 1 0 5 11 4 1 0
RP MLB Percentile 70 0 64 58-39 0 0 85 59 60 39 65 14 17 56 17 1 47 49 12 37
RP MLB AVG 11 0 11.0 1-1 0 1 2 202 129 74 52 11 7 2 0 1 12 5 1 1
Career 218 36 374.0 13-19 9 1 22 6,294 4,013 2,281 1,598 374 233 74 6 61 358 125 16 13

Trent Thornton Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2019 TOR 22.0% 8.9% .259 .439 .766 .325 .302 .338 - - - - - - - -
2020 TOR 18.2% 9.1% .517 .621 1.166 .497 .625 .625 .322 .339 .384 .379 89.1 86.2 16.5 5.12
2021 TOR 24.1% 7.4% .278 .536 .880 .371 .321 .378 .252 .342 .287 .417 90.0 93.8 13.7 5.00
2022 TOR 19.6% 9.0% .237 .396 .703 .309 .260 .299 .265 .346 .295 .395 90.1 91.4 19.2 4.88
2023 SEA/TOR 20.8% 4.8% .252 .437 .725 .310 .284 .323 .235 .297 .266 .354 85.9 89.0 15.0 3.80
2024 SEA 26.2% 6.5% .238 .396 .695 .302 .302 .332 .233 .292 .300 .356 86.7 86.4 15.6 3.58
2025 SEA 16.9% 6.2% .267 .533 .856 .371 .250 .327 .294 .377 .315 .428 91.4 91.3 6.2 5.67
RP MLB Percentile 27 76 32 20 25 26 68 47 17 21 30 23 18 46 81 21
RP MLB AVG 22.2% 10.0% .244 .394 .721 .319 .293 .322 .239 .322 .282 .365 88.5 90.3 12.9 4.67
Career 22.4% 7.8% .260 .447 .770 .337 .303 .342 .214 .304 .292 .390 88.5 89.6 15.1 -

Trent Thornton 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 TOR 18.8% (92.7) 1.8% (91.8) 7.6% (88.3) 10.3% (80.5) - 0.4% (73.5) - 4.5% (83.1) - 20.6% 22.8%
2020 TOR 33.6% (92.3) 6.1% (91.1) 23.7% (89.2) 23.7% (80.3) - 2.3% (70.2) - 10.7% (83.7) - 39.7% 60.3%
2021 TOR 39.6% (93.9) 3.2% (90.1) 20.8% (89.3) 6.7% (81.4) - 23.8% (80.7) 5.9% (84.1) - - 42.7% 57.3%
2022 TOR 42.2% (93.8) 4.1% (92.8) - 37.5% (82.2) - 16.1% (79.8) - - - 46.2% 53.6%
2023 SEA/TOR 33.6% (94.1) 11.8% (93.6) - 9.6% (87.7) 34.5% (79.6) 10.5% (80.2) - - - 45.4% 54.6%
2024 SEA 19.9% (95.5) 9.3% (94.8) 4.4% (91.5) 22.3% (89.7) 29.7% (81.8) 11.9% (82.3) 2.5% (87.9) - - 29.2% 70.8%
2025 SEA 35.2% (94.2) 3.9% (94.2) 18.9% (89.6) 4.3% (87.5) 17.6% (80.3) 15.5% (80.8) 3.9% (87.1) - - 39.1% 60.1%
RP MLB Percentile 41 (44) 4 (56) 40 (54) 2 (74) 40 (24) 45 (53) 5 (58) - - 26.2% 72.7%
RP MLB AVG 37.6% (93.9) 28.5% (93.5) 23.1% (89.5) 29.5% (85.1) 23.4% (81.9) 20.1% (79.6) 19.4% (85.8) 20.6% (86.7) - (-) 47.9% 52.1%
Career 26.5% (93.7) 4.5% (93.2) 8.3% (89.1) 14.8% (83.9) 8.5% (83.9) 8.9% (80.7) 1.4% (85.6) 2.2% (83.2) - 30.9% 44.2%

Trent Thornton 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 TOR 27.2% (47) 20.4% (7) 27.1% (30) 23.6% (30) - 63.6% (0) - 21.8% (12) - 26.6% 96.8%
2020 TOR 11.4% (1) 25.0% (0) 29.0% (6) 32.3% (5) - 33.3% (0) - 14.3% (1) - 13.5% 27.8%
2021 TOR 25.6% (33) 17.2% (2) 26.5% (28) 27.9% (5) - 33.2% (24) 20.4% (9) - - 24.9% 28.8%
2022 TOR 29.6% (18) 22.2% (2) - 30.5% (34) - 28.0% (8) - - - 29.0% 29.8%
2023 SEA/TOR 29.9% (15) 22.2% (6) - 25.0% (2) 37.3% (21) 18.8% (4) - - - 27.9% 31.6%
2024 SEA 37.0% (33) 31.1% (13) 34.0% (6) 26.8% (32) 33.4% (47) 25.7% (25) 10.7% (1) - - 35.1% 29.3%
2025 SEA 25.6% (7) 33.3% (1) 29.5% (5) 10.0% (0) 29.3% (7) 27.8% (1) 22.2% (1) - - 26.4% 27.1%
RP MLB Percentile 39 (39) 69 (58) 64 (30) 2 (92) 51 (33) 45 (58) 50 (69) - - 37.6% 40.1%
RP MLB AVG 26.5% (7) 28.4% (4) 25.8% (5) 29.7% (9) 29.2% (6) 28.5% (5) 22.5% (5) 26.1% (9) - (-) 28.0% 28.4%
Career 28.3% (154) 25.2% (31) 27.9% (75) 26.8% (108) 34.3% (75) 29.4% (62) 17.6% (11) 21.0% (13) - 27.9% 44.6%

Trent Thornton 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 TOR - - - - - - - - 16.9% - - - - -
2020 TOR 29.2% 29.2% 33.3% 8.3% 54.2% 37.5% 33.3% 29.2% 24.4% 41.6% 41.7% 12.5% 4.2% 58.3%
2021 TOR 44.1% 23.8% 21.0% 11.2% 37.1% 39.6% 36.1% 24.3% 20.4% 59.5% 25.9% 3.5% 11.2% 40.3%
2022 TOR 36.6% 25.4% 26.1% 11.9% 39.6% 42.5% 36.6% 20.9% 15.8% 56.0% 29.1% 9.0% 6.0% 44.0%
2023 SEA/TOR 40.9% 19.4% 25.8% 14.0% 34.4% 51.6% 30.1% 18.3% 16.8% 68.8% 20.4% 6.5% 4.3% 31.2%
2024 SEA 41.7% 20.3% 27.1% 10.9% 31.8% 45.1% 28.5% 26.4% 19.8% 63.0% 27.1% 3.6% 6.3% 36.8%
2025 SEA 53.1% 18.4% 26.5% 2.0% 34.7% 36.7% 40.8% 22.4% 17.2% 51.0% 32.7% 4.1% 12.2% 49.0%
RP MLB Percentile 77 67 60 12 51 31 80 37 47 11 14 66 20 10
RP MLB AVG 43.9% 21.8% 24.3% 9.9% 35.6% 40.7% 33.7% 25.6% 17.6% 61.2% 23.8% 6.9% 8.1% 38.6%
Career 41.4% 22.2% 25.5% 10.9% 36.1% 43.3% 33.3% 23.4% 18.0% 59.8% 27.2% 5.5% 7.4% 23.2%

Trent Thornton 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 TOR .259 .325 .302 .338 - - - - - - - - - -
2020 TOR .517 .497 .625 .625 .322 .339 .384 .379 89.1 86.2 16.5 0.0% 58.3% 42.4%
2021 TOR .278 .371 .321 .378 .252 .342 .287 .417 90.0 93.8 13.7 40.0% 40.3% 26.9%
2022 TOR .237 .309 .260 .299 .265 .346 .295 .395 90.1 91.4 19.2 20.0% 44.0% 31.2%
2023 SEA/TOR .252 .310 .284 .323 .235 .297 .266 .354 85.9 89.0 15.0 20.8% 31.2% 23.2%
2024 SEA .238 .302 .302 .332 .233 .292 .300 .356 86.7 86.4 15.6 15.4% 36.8% 24.1%
2025 SEA .267 .371 .250 .327 .294 .377 .315 .428 91.4 91.3 6.2 38.5% 49.0% 36.9%
RP MLB Percentile 32 26 68 47 17 21 30 23 18 46 81 11 10 8
RP MLB AVG .244 .319 .293 .322 .239 .322 .282 .365 88.5 90.3 12.9 17.4% 38.6% 25.7%
Career .260 .337 .303 .342 .214 .304 .292 .390 88.5 89.6 15.1 37.7% 23.2% 16.0%

Trent Thornton 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 TOR - 61.1% 44.4% - 24.3% 16.9% 75.7% - - 16.8% 10.8% 27.5% 16.7% 55.5% 0.44 -
2020 TOR 46.6% 64.9% 52.7% 34.3% 18.8% 24.4% 81.2% 88.9% 66.7% 12.2% 9.9% 22.1% 18.3% 53.4% 0.37 43.5%
2021 TOR 44.5% 63.4% 47.4% 31.5% 23.4% 20.4% 76.6% 81.6% 67.9% 16.0% 11.1% 27.1% 15.8% 57.5% 0.50 50.7%
2022 TOR 51.4% 65.4% 45.3% 24.8% 20.6% 15.8% 79.4% 89.1% 52.5% 20.0% 9.3% 29.4% 20.2% 59.3% 0.49 47.6%
2023 SEA/TOR 49.1% 67.0% 47.6% 30.9% 22.0% 16.8% 78.0% 84.9% 63.9% 19.4% 10.5% 29.9% 20.3% 60.5% 0.53 54.4%
2024 SEA 48.7% 67.8% 50.6% 34.2% 27.3% 19.8% 72.7% 83.0% 53.5% 17.2% 13.8% 31.0% 16.9% 62.2% 0.64 55.3%
2025 SEA 51.5% 64.8% 47.6% 24.8% 19.8% 17.2% 80.2% 87.8% 57.1% 17.2% 9.4% 26.6% 21.0% 57.9% 0.41 44.2%
RP MLB Percentile 84 64 57 28 20 47 20 25 49 61 24 32 86 50 29 11
RP MLB AVG 46.4% 63.2% 46.8% 29.1% 25.7% 17.6% 74.3% 83.3% 57.2% 16.4% 12.1% 28.4% 17.1% 57.7% 0.49 50.0%
Career 27.1% 63.8% 46.6% 30.8% 23.9% 18.0% 76.1% 84.7% 59.5% 17.2% 11.1% 28.3% 17.5% 57.8% 0.49 55.7%

Trent Thornton Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2019 TOR - - - - - - - - - -
2020 TOR 46.6% 36.6% 26.7% 36.6% 28.2% 26.7% 45.0% 22.1% 51.1% 6.9%
2021 TOR 44.5% 33.6% 25.5% 40.9% 33.4% 26.0% 40.5% 26.8% 47.7% 7.1%
2022 TOR 51.4% 28.7% 23.7% 47.7% 29.7% 24.4% 45.9% 26.2% 50.1% 6.8%
2023 SEA/TOR 49.1% 35.6% 27.7% 36.7% 35.4% 28.6% 36.0% 31.9% 40.4% 7.9%
2024 SEA 48.7% 25.5% 23.9% 50.6% 30.4% 28.5% 41.1% 31.7% 44.4% 8.0%
2025 SEA 51.5% 30.3% 28.1% 41.6% 37.2% 29.4% 33.3% 26.0% 45.9% 8.7%
RP MLB Percentile 84 29 26 59 74 15 14 28 57 83
RP MLB AVG 46.4% 34.4% 25.8% 39.8% 30.7% 25.0% 44.3% 29.8% 44.5% 6.7%
Career 27.1% 30.2% 25.1% 44.6% 32.0% 27.1% 40.8% 28.7% 46.1% 7.5%

Trent Thornton 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 TOR 57.4% 12.2% 30.4% 14.1% 59.9% 49.6% 23.2% - 17.8%
2020 TOR 56.5% 13.7% 29.8% 16.2% 54.5% 42.4% 14.9% 33.3% 15.4%
2021 TOR 55.8% 11.5% 33.1% 12.2% 58.7% 49.1% 21.7% 25.9% 17.3%
2022 TOR 60.5% 11.6% 27.9% 20.6% 66.7% 49.7% 26.9% 22.2% 20.0%
2023 SEA/TOR 59.6% 7.9% 32.8% 19.4% 68.8% 56.8% 24.9% 23.3% 17.3%
2024 SEA 58.6% 9.0% 32.7% 13.9% 67.6% 57.8% 25.3% 24.1% 20.6%
2025 SEA 60.9% 10.3% 28.8% 20.4% 55.4% 41.5% 23.2% 16.4% 16.4%
RP MLB Percentile 72 66 44 93 28 16 68 14 31
RP MLB AVG 58.5% 12.3% 29.8% 14.3% 60.3% 49.9% 21.2% 24.0% 19.1%
Career 58.0% 11.1% 31.0% 15.2% 62.4% 51.2% 23.7% 13.7% 18.3%

Trent Thornton PLV

Hide 2025 MLB Percentile | Hide 2025 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2019 TOR 2,759 - - - - - - - - -
2020 TOR 131 4.87 40.4% 21.2% 38.4% 2.0% 10.1% 2.6 +3 4.23
2021 TOR 910 5.06 47.5% 17.7% 34.8% 12.7% 4.2% 16.8 +10 3.77
2022 TOR 664 5.24 53.3% 15.7% 31.0% 22.3% 3.9% 4.7 +8 2.31
2023 SEA/TOR 458 5.39 53.7% 17.7% 28.6% 25.1% 3.3% 7.1 +10 2.06
2024 SEA 1,139 5.19 50.6% 18.1% 31.3% 19.2% 6.1% 10.3 +10 2.62
2025 SEA 233 5.18 51.1% 14.6% 34.3% 16.7% 5.2% 4.9 +3 2.51
RP MLB Percentile 59 81 81 18 61 61 47 16 21 84
RP MLB AVG 202 4.98 46.2% 17.7% 36.1% 10.1% 5.5% - +1 3.62
Career 6,294 5.18 50.5% 17.3% 32.2% 18.3% 4.9% 46.3 +44 1.62
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