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Mason Thompson

#0 - Relief Pitcher

Texas Rangers

Bats / Throws Right / Right
Date of Birth 2/20/1998 (28)
Height, Weight 6'6", 241 lb
Hometown Round Rock, TX

2025 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 10.2 11.81 2.63 18.3% 20.0%
192nd 3
Sv
351st 51.0
IP
350th 4.19
ERA
350th 1.32
WHIP
281st 22.9%
K%
350th 9.3%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
95.0 8.8% 25.5% 43.9% 4.6% 4.78 5.28
123rd 94.6
FB MPH
320th 12.5%
SwStr%
307th 28.7%
CSW%
339th 50.8%
Str-ICR
113th 5.3%
MTK%
324th 4.99
PLV
348th 3.22
PLA

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Mason Thompson 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
2021 WSH/SD 31 0 24.2 1-3 0 7 4.01 1.91 5.36 5.40 4.59 4.92 19.0% 12.4% 11.7 1.46 .368 33.3% 77.8% 35.4% 53.7% 9.2% 25.5% 0.29 4.69
2022 WSH 24 0 24.2 1-1 1 0 2.92 1.14 3.31 4.19 4.44 3.59 15.0% 8.0% 6.9 0.73 .233 14.3% 80.2% 27.6% 55.3% 12.0% 26.1% 0.39 4.80
2023 WSH 51 0 54.0 4-4 1 10 5.50 1.56 4.14 4.03 4.67 4.34 18.3% 9.2% 10.3 0.67 .352 11.8% 64.3% 34.1% 51.2% 9.5% 27.4% 0.40 4.74
2025 WSH 14 0 10.2 1-1 0 0 11.81 2.63 5.45 5.78 5.71 5.28 18.3% 20.0% 13.5 0.84 .417 20.0% 45.1% 43.2% 45.9% 8.8% 25.5% 0.34 4.78
RP MLB Percentile 4 0 0 14-66 0 0 0 0 11 9 3 1 20 0 1 63 1 36 0 13 59 8 12 6 7
RP MLB AVG 42 2 51.0 3-3 3 7 4.19 1.32 4.16 4.16 4.20 3.22 22.9% 9.3% 8.3 1.11 .291 18.1% 72.4% 38.1% 44.2% 12.5% 28.7% 0.51 4.99
Career 120 0 114.0 7-9 2 17 5.21 1.64 4.35 4.50 4.68 4.39 17.9% 10.9% 10.2 0.87 .337 16.9% 67.0% 34.0% 52.1% 9.8% 26.5% 0.37 4.74

Mason Thompson Repertoire

2021 2022 2023 2025 All
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Mason Thompson Game Log

Mason Thompson 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
2021 WSH/SD 31 0 24.2 1-3 0 0 7 424 248 176 121 32 23 5 0 4 23 15 1 3
2022 WSH 24 0 24.2 1-1 0 1 0 368 236 132 100 19 14 2 1 2 15 8 1 1
2023 WSH 51 0 54.0 4-4 0 1 10 895 553 342 240 62 46 10 2 4 44 22 4 4
2025 WSH 14 0 10.2 1-1 0 0 0 239 137 103 60 16 9 5 1 1 11 12 0 0
RP MLB Percentile 4 0 0 14-66 0 0 0 0 0 99 0 96 96 72 21 95 1 74 81 78
RP MLB AVG 42 2 51.0 3-3 0 3 7 840 539 302 216 46 30 9 1 6 50 19 2 2
Career 120 0 114.0 7-9 0 2 17 1,926 1,174 753 521 129 92 22 4 11 93 57 6 8

Mason Thompson Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2021 WSH/SD 19.0% 12.4% .311 .476 .879 .380 .368 .400 .273 .351 .321 .379 85.5 83.8 7.7 5.36
2022 WSH 15.0% 8.0% .211 .322 .605 .271 .233 .253 .223 .280 .247 .283 85.6 86.9 11.3 3.31
2023 WSH 18.3% 9.2% .294 .417 .785 .345 .352 .367 .248 .310 .287 .329 86.1 87.1 6.3 4.14
2025 WSH 18.3% 20.0% .333 .542 1.009 .426 .417 .432 .243 .354 .288 .368 88.8 91.5 14.5 5.45
RP MLB Percentile 20 0 3 6 2 2 1 1 43 11 42 43 43 25 40 11
RP MLB AVG 22.9% 9.3% .241 .393 .712 .310 .291 .321 .238 .314 .283 .363 88.4 89.8 13.0 4.16
Career 17.9% 10.9% .285 .425 .796 .351 .337 .357 .248 .321 .286 .338 86.1 86.8 8.5 4.35

Mason Thompson 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%
2021 WSH/SD 7.5% (95.5) 78.1% (96.2) - 13.7% (83.8) - - 0.7% (86.9) - - 85.6% 14.4%
2022 WSH 1.6% (95.6) 73.1% (95.8) - 23.6% (84.4) - 0.3% (82.1) 1.4% (88.2) - - 74.7% 25.3%
2023 WSH 6.0% (94.6) 56.8% (94.6) - 28.5% (84.7) - 8.4% (80.5) 0.2% (86.3) - - 62.8% 37.1%
2025 WSH 18.0% (94.8) 40.6% (95.0) - 33.5% (84.9) - 5.0% (82.1) 2.9% (87.3) - - 58.6% 41.4%
RP MLB Percentile 8 (51) 77 (63) - 69 (29) - 15 (67) 8 (57) - - 80.6% 19.1%
RP MLB AVG 40.6% (94.6) 27.4% (93.8) 20.3% (89.5) 27.8% (85.9) 20.4% (82.2) 16.9% (79.8) 16.4% (86.2) 18.3% (86.5) 16.9% (64.1) 48.1% 51.9%
Career 7.0% (94.9) 62.6% (95.4) - 24.9% (84.6) - 4.6% (80.7) 0.9% (87.4) - - 69.6% 30.4%

Mason Thompson 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%
2021 WSH/SD 12.5% (2) 23.9% (20) - 43.1% (17) - - 0.0% (0) - - 22.9% 41.0%
2022 WSH 16.7% (1) 21.2% (24) - 42.5% (19) - 0.0% (0) 20.0% (0) - - 21.1% 40.9%
2023 WSH 20.4% (9) 27.0% (26) - 29.0% (41) - 29.3% (9) 50.0% (0) - - 26.3% 29.2%
2025 WSH 27.9% (6) 22.7% (5) - 28.8% (8) - 16.7% (1) 28.6% (1) - - 24.3% 27.3%
RP MLB Percentile 51 (3) 18 (58) - 41 (73) - 9 (79) 80 (82) - - 14.3% 37.6%
RP MLB AVG 27.6% (33) 27.9% (12) 26.0% (16) 29.7% (30) 28.9% (19) 28.2% (17) 22.0% (17) 23.6% (21) 14.2% (0) 28.0% 28.9%
Career 20.7% (18) 24.5% (75) - 33.1% (85) - 27.3% (10) 23.5% (1) - - 24.1% 32.0%

Mason Thompson 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
2021 WSH/SD 53.7% 20.7% 14.6% 11.0% 28.0% 43.9% 31.7% 24.4% 13.7% 64.7% 22.0% 7.3% 6.1% 35.4%
2022 WSH 55.3% 15.8% 18.4% 10.5% 27.6% 39.5% 30.3% 30.3% 17.4% 72.4% 22.4% 1.3% 3.9% 27.6%
2023 WSH 51.2% 21.8% 20.0% 7.1% 31.2% 35.3% 34.7% 30.0% 15.4% 65.9% 22.4% 6.5% 5.3% 34.1%
2025 WSH 45.9% 29.7% 13.5% 10.8% 43.2% 54.1% 21.6% 24.3% 16.3% 56.7% 24.3% 10.8% 8.1% 43.2%
RP MLB Percentile 59 4 2 62 5 98 0 40 21 13 50 3 42 13
RP MLB AVG 44.2% 22.0% 23.8% 10.1% 35.1% 40.8% 33.7% 25.5% 18.0% 61.7% 24.4% 6.3% 7.6% 38.1%
Career 52.1% 21.1% 17.8% 9.0% 31.0% 40.0% 31.8% 28.2% 15.5% 66.0% 22.5% 6.0% 5.5% 34.0%

Mason Thompson 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%
2021 WSH/SD .311 .380 .368 .400 .273 .351 .321 .379 85.5 83.8 7.7 33.3% 35.4% 24.0%
2022 WSH .211 .271 .233 .253 .223 .280 .247 .283 85.6 86.9 11.3 14.3% 27.6% 21.0%
2023 WSH .294 .345 .352 .367 .248 .310 .287 .329 86.1 87.1 6.3 11.8% 34.1% 24.2%
2025 WSH .333 .426 .417 .432 .243 .354 .288 .368 88.8 91.5 14.5 20.0% 43.2% 26.7%
RP MLB Percentile 3 2 1 1 43 11 42 43 43 25 40 36 13 35
RP MLB AVG .241 .310 .291 .321 .238 .314 .283 .363 88.4 89.8 13.0 18.1% 38.1% 25.4%
Career .285 .351 .337 .357 .248 .321 .286 .338 86.1 86.8 8.5 16.9% 34.0% 23.8%

Mason Thompson 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
2021 WSH/SD 42.9% 58.5% 42.2% 25.6% 21.8% 13.7% 78.2% 88.0% 59.7% 16.3% 9.2% 25.5% 19.3% 50.9% 0.29 44.8%
2022 WSH 45.7% 64.1% 50.0% 32.0% 23.9% 17.4% 76.1% 83.3% 62.5% 14.1% 12.0% 26.1% 20.7% 59.0% 0.39 52.7%
2023 WSH 47.6% 61.8% 43.9% 26.4% 21.6% 15.4% 78.4% 86.9% 59.7% 17.9% 9.5% 27.4% 19.0% 54.9% 0.40 48.8%
2025 WSH 43.5% 57.3% 40.6% 23.0% 21.6% 16.3% 78.4% 81.8% 71.0% 16.7% 8.8% 25.5% 15.5% 50.6% 0.34 43.9%
RP MLB Percentile 17 1 2 2 20 21 20 63 3 61 8 12 21 0 6 3
RP MLB AVG 47.0% 63.9% 47.7% 30.2% 26.2% 18.0% 73.8% 82.9% 56.2% 16.2% 12.5% 28.7% 17.1% 58.4% 0.51 50.8%
Career 45.7% 61.0% 44.3% 26.9% 22.2% 15.5% 77.8% 85.8% 61.6% 16.7% 9.8% 26.5% 19.0% 54.3% 0.37 48.1%

Mason Thompson Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2021 WSH/SD 42.9% 42.0% 23.1% 34.9% 30.0% 25.9% 44.1% 42.5% 34.4% 9.4%
2022 WSH 45.7% 42.9% 27.4% 29.6% 30.2% 28.3% 41.6% 32.3% 40.2% 7.9%
2023 WSH 47.6% 36.1% 24.6% 39.3% 26.1% 25.2% 48.8% 32.4% 43.0% 6.3%
2025 WSH 43.5% 34.7% 21.3% 43.9% 28.5% 19.7% 51.9% 38.1% 40.6% 4.2%
RP MLB Percentile 17 50 97 75 41 97 82 95 25 1
RP MLB AVG 47.0% 34.2% 26.4% 39.4% 30.5% 25.1% 44.4% 29.4% 44.2% 7.0%
Career 45.7% 38.5% 24.4% 37.0% 28.0% 25.2% 46.8% 35.3% 40.3% 7.0%

Mason Thompson Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2021 WSH/SD 62.5% 19.1% 19.1% 16.6% 52.1% 40.5% 18.9% 28.4% 28.4%
2022 WSH 60.6% 11.4% 28.0% 18.4% 58.4% 44.6% 19.3% 22.3% 14.6%
2023 WSH 60.3% 13.6% 26.3% 14.8% 62.1% 49.2% 21.9% 20.4% 18.7%
2025 WSH 59.0% 17.6% 26.4% 9.2% 50.8% 44.1% 19.1% 30.2% 17.5%
RP MLB Percentile 54 0 8 1 2 7 31 94 34
RP MLB AVG 58.6% 11.9% 30.2% 14.4% 61.3% 50.4% 21.0% 24.2% 19.4%
Career 60.7% 14.9% 25.0% 15.2% 57.8% 45.7% 20.4% 23.4% 19.3%

Mason Thompson PLV

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Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2021 WSH/SD 424 4.69 42.7% 18.2% 39.2% 3.5% 4.2% 5.3 +8 4.92
2022 WSH 368 4.80 47.0% 14.1% 38.9% 8.2% 6.5% -2.5 0 3.59
2023 WSH 895 4.74 40.0% 19.6% 40.4% -0.4% 9.2% 4.6 +6 4.34
2025 WSH 239 4.78 44.6% 15.8% 39.6% 5.0% 4.6% 6.7 +5 5.28
RP MLB Percentile 0 7 32 19 11 11 66 40 47 1
RP MLB AVG 840 4.99 46.2% 18.0% 35.7% 10.5% 5.3% 4.8 +4 3.22
Career 1,926 4.74 42.5% 17.7% 39.8% 2.8% 7.0% 14.1 +18 4.39
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