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Matt Brash

#47 - Relief Pitcher

Seattle Mariners

Bats / Throws Right / Right
Date of Birth 5/12/1998 (27)
Height, Weight 6'1", 173 lb
Hometown Kingston, CAN

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 11.1 0.00 0.44 21.1% 5.3%
- 1
Sv
- 11.0
IP
- 5.22
ERA
- 1.53
WHIP
- 22.4%
K%
- 10.9%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
97.2 12.2% 33.1% 48.0% 0.7% 5.12 2.23
- 94.0
FB MPH
- 12.0%
SwStr%
- 28.6%
CSW%
- 50.0%
Str-ICR
- 4.2%
MTK%
- 4.97
PLV
- 3.63
PLA
Holds List
Rank
14th
Saves+Holds List
Rank
31st

Articles

4/30/2026Fantasy Baseball Relief Pitcher Roundup: 4/29Rick Graham

4/30/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 4/30Rick Graham

4/29/2026Fantasy Baseball Relief Pitcher Roundup: 4/28Rick Graham

4/29/2026Relief Pitcher Streamer Rankings Fantasy Baseball: 4/29Rick Graham

4/28/2026Fantasy Reliever Rankings: Closers, Holds & SOLDs - 4/28Rick Graham

See More Articles
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Matt Brash Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
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
2022 SEA 39 5 50.2 4-4 0 9 4.44 1.56 3.77 3.51 3.83 3.56 27.9% 14.9% 8.2 0.53 .355 12.5% 72.9% 40.8% 53.2% 13.4% 33.2% 0.64 5.04
2023 SEA 78 0 70.2 9-4 4 24 3.06 1.33 2.91 2.26 3.48 3.56 34.7% 9.4% 8.3 0.38 .380 6.1% 77.2% 40.4% 47.0% 17.0% 34.6% 0.68 5.10
2025 SEA 53 0 47.1 1-3 4 21 2.47 1.25 3.27 3.05 2.93 3.11 29.1% 9.0% 7.8 0.76 .327 21.1% 83.0% 39.7% 56.7% 13.0% 32.0% 0.57 5.08
2026 SEA 14 0 11.1 2-0 0 4 0.00 0.44 3.17 2.49 3.11 2.23 21.1% 5.3% 2.4 0.00 .115 0.0% 83.3% 37.0% 44.4% 12.2% 33.1% 0.53 5.12
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - - - - - - -
RP MLB AVG 9 0 11.0 1-1 1 1 5.22 1.53 4.71 4.72 4.56 3.63 22.4% 10.9% 9.1 1.21 .304 18.9% 71.3% 38.4% 43.5% 12.0% 28.6% 0.49 4.97
Career 184 5 180.0 16-11 8 58 3.10 1.32 3.27 2.84 3.41 3.35 30.6% 10.7% 7.7 0.50 .343 10.5% 77.4% 40.1% 51.3% 14.7% 33.4% 0.63 5.08

Matt Brash Repertoire

2022 2023 2025 2026 All
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Matt Brash Game Log

Matt Brash 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
2022 SEA 39 5 50.2 4-4 0 0 9 935 580 355 222 46 37 6 0 3 62 33 2 3
2023 SEA 78 0 70.2 9-4 0 4 24 1,304 809 495 308 65 51 9 2 3 107 29 6 11
2025 SEA 53 0 47.1 1-3 0 4 21 822 502 320 199 41 31 6 0 4 58 18 2 0
2026 SEA 14 0 11.1 2-0 0 0 4 148 91 57 38 3 1 2 0 0 8 2 1 0
RP MLB Percentile - - - --- - - - - - - - - - - - - - - - -
RP MLB AVG 9 0 11.0 1-1 0 1 1 201 127 74 51 11 7 2 0 1 11 5 1 1
Career 184 5 180.0 16-11 0 8 58 3,209 1,982 1,227 767 155 120 23 2 10 235 82 11 14

Matt Brash 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
2022 SEA 27.9% 14.9% .247 .328 .695 .318 .355 .371 .226 .303 .324 .346 88.3 85.0 6.7 3.77
2023 SEA 34.7% 9.4% .242 .323 .648 .292 .380 .392 .201 .260 .310 .335 87.7 86.2 12.4 2.91
2025 SEA 29.1% 9.0% .236 .339 .652 .288 .327 .350 .227 .280 .319 .344 84.9 88.3 5.6 3.27
2026 SEA 21.1% 5.3% .091 .152 .314 .136 .115 .115 .243 .270 .308 .307 87.7 72.7 11.0 3.17
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 22.4% 10.9% .251 .409 .749 .334 .304 .335 .242 .332 .290 .377 88.3 89.6 13.3 4.71
Career 30.6% 10.7% .234 .320 .646 .297 .343 .358 .217 .284 .316 .346 87.1 85.9 8.8 3.27

Matt Brash 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%
2022 SEA 34.3% (96.8) 1.5% (98.7) 0.5% (88.8) 40.9% (86.7) - 21.6% (84.3) 0.9% (85.9) - - 35.8% 63.9%
2023 SEA 33.7% (98.1) 3.0% (98.5) 4.1% (92.0) 50.5% (88.8) - 8.7% (85.8) 0.1% (87.3) - - 36.7% 63.3%
2025 SEA 4.9% (95.8) 21.9% (96.4) - 60.6% (86.0) - 0.7% (83.8) 11.9% (90.0) - - 26.8% 73.2%
2026 SEA 8.8% (96.5) 20.3% (97.2) - 55.4% (86.5) - - 15.5% (90.7) - - 29.1% 70.9%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 35.0% (94.0) 26.9% (93.8) 20.8% (89.2) 27.5% (85.6) 23.3% (82.5) 18.0% (80.7) 18.9% (86.0) 19.5% (86.4) 71.0% (56.2) 47.2% 52.7%
Career 25.3% (97.4) 8.2% (96.9) 1.8% (91.7) 50.5% (87.3) - 10.0% (84.8) 4.1% (89.8) - - 33.5% 66.4%

Matt Brash 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%
2022 SEA 30.5% (26) 28.6% (3) 0.0% (0) 36.4% (68) - 33.7% (27) 0.0% (0) - - 30.4% 34.8%
2023 SEA 31.7% (50) 25.6% (5) 24.5% (6) 40.2% (148) - 21.2% (13) 0.0% (0) - - 31.2% 36.6%
2025 SEA 25.0% (7) 30.0% (5) - 34.7% (76) - 16.7% (1) 25.5% (18) - - 29.1% 33.1%
2026 SEA 23.1% (0) 40.0% (4) - 37.8% (12) - - 13.0% (2) - - 34.9% 32.4%
RP MLB Percentile - - - - - - - - - - -
RP MLB AVG 26.6% (7) 28.5% (4) 27.6% (4) 30.1% (7) 28.3% (7) 27.3% (5) 22.1% (6) 24.9% (7) 22.7% (1) 28.3% 28.3%
Career 30.8% (83) 30.4% (17) 22.4% (6) 37.5% (304) - 29.0% (41) 21.5% (20) - - 30.7% 34.9%

Matt Brash 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
2022 SEA 53.2% 22.6% 19.4% 4.8% 36.3% 32.8% 36.8% 30.4% 15.5% 58.9% 33.9% 2.4% 4.8% 40.8%
2023 SEA 47.0% 18.1% 29.5% 5.4% 33.1% 33.7% 33.1% 33.1% 14.7% 59.6% 29.5% 6.6% 4.2% 40.4%
2025 SEA 56.7% 24.2% 15.8% 3.3% 34.2% 34.7% 42.1% 23.1% 14.4% 60.0% 29.2% 5.0% 5.8% 39.7%
2026 SEA 44.4% 33.3% 11.1% 11.1% 37.0% 40.7% 44.4% 14.8% 10.1% 62.9% 14.8% 14.8% 7.4% 37.0%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG 43.5% 22.2% 24.3% 10.0% 35.2% 41.9% 33.4% 24.7% 17.5% 61.5% 24.9% 5.8% 7.9% 38.4%
Career 51.3% 22.0% 21.7% 5.0% 34.6% 34.2% 37.4% 28.5% 14.6% 59.7% 29.7% 5.5% 5.0% 40.1%

Matt Brash 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%
2022 SEA .247 .318 .355 .371 .226 .303 .324 .346 88.3 85.0 6.7 12.5% 40.8% 23.0%
2023 SEA .242 .292 .380 .392 .201 .260 .310 .335 87.7 86.2 12.4 6.1% 40.4% 21.8%
2025 SEA .236 .288 .327 .350 .227 .280 .319 .344 84.9 88.3 5.6 21.1% 39.7% 24.1%
2026 SEA .091 .136 .115 .115 .243 .270 .308 .307 87.7 72.7 11.0 0.0% 37.0% 26.3%
RP MLB Percentile - - - - - - - - - - - - - -
RP MLB AVG .251 .334 .304 .335 .242 .332 .290 .377 88.3 89.6 13.3 18.9% 38.4% 25.1%
Career .234 .297 .343 .358 .217 .284 .316 .346 87.1 85.9 8.8 10.5% 40.1% 22.9%

Matt Brash 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
2022 SEA 44.3% 62.0% 42.2% 28.8% 31.6% 15.5% 68.4% 82.0% 46.7% 19.8% 13.4% 33.2% 13.4% 57.1% 0.64 51.1%
2023 SEA 42.2% 62.0% 44.5% 31.4% 38.3% 14.7% 61.7% 76.7% 40.1% 17.6% 17.0% 34.6% 12.7% 57.1% 0.68 51.8%
2025 SEA 41.8% 61.1% 42.1% 32.0% 30.9% 14.4% 69.1% 84.5% 49.7% 19.0% 13.0% 32.0% 14.7% 56.1% 0.57 49.4%
2026 SEA 41.2% 61.5% 40.5% 32.2% 30.0% 10.1% 70.0% 90.6% 46.4% 20.9% 12.2% 33.1% 18.2% 59.5% 0.53 48.0%
RP MLB Percentile - - - - - - - - - - - - - - - -
RP MLB AVG 44.1% 62.8% 46.3% 30.6% 25.8% 17.5% 74.2% 83.5% 58.6% 16.6% 12.0% 28.6% 16.8% 57.3% 0.49 50.0%
Career 42.7% 61.8% 43.0% 30.9% 34.2% 14.6% 65.8% 80.7% 44.7% 18.7% 14.7% 33.4% 13.7% 56.9% 0.63 50.8%

Matt Brash Approach › Locations

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Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2022 SEA 44.3% 30.7% 24.1% 45.2% 34.2% 23.4% 42.4% 28.8% 47.1% 7.1%
2023 SEA 42.2% 29.5% 21.4% 49.1% 36.2% 23.5% 40.3% 27.9% 50.7% 5.3%
2025 SEA 41.8% 26.4% 21.9% 51.7% 27.6% 25.3% 47.1% 27.9% 50.2% 5.7%
2026 SEA 41.2% 39.2% 20.9% 39.9% 27.0% 28.4% 44.6% 21.6% 57.4% 2.7%
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 44.1% 34.8% 26.5% 38.7% 36.2% 22.9% 40.9% 30.6% 43.0% 6.3%
Career 42.7% 29.5% 22.3% 48.2% 33.0% 24.2% 42.8% 27.9% 49.8% 5.8%

Matt Brash Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2022 SEA 55.2% 15.0% 30.3% 9.5% 60.5% 54.3% 27.3% 28.6% 21.9%
2023 SEA 56.0% 12.9% 31.3% 8.2% 61.0% 56.2% 24.4% 25.0% 26.2%
2025 SEA 58.0% 13.9% 28.8% 10.1% 61.6% 53.5% 24.9% 27.4% 24.5%
2026 SEA 66.2% 12.2% 22.3% 9.2% 62.5% 55.0% 28.6% 39.4% 24.2%
RP MLB Percentile - - - - - - - - -
RP MLB AVG 58.4% 13.1% 29.3% 13.8% 59.5% 49.5% 21.0% 26.2% 19.7%
Career 56.7% 13.7% 29.9% 9.1% 61.1% 54.9% 25.6% 27.2% 24.5%

Matt Brash PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2022 SEA 935 5.04 50.3% 13.5% 36.3% 14.0% 3.2% 13.2 +18 3.56
2023 SEA 1,304 5.10 49.8% 14.4% 35.7% 14.1% 2.3% 3.4 +17 3.56
2025 SEA 822 5.08 49.1% 14.4% 36.5% 12.7% 3.4% 4.4 +10 3.11
2026 SEA 148 5.12 51.4% 19.6% 29.1% 22.3% 0.7% -5.6 -4 2.23
RP MLB Percentile - - - - - - - - - -
RP MLB AVG 201 4.97 46.2% 17.7% 36.1% 10.1% 4.2% 1.7 +2 3.63
Career 3,209 5.08 49.9% 14.4% 35.8% 14.1% 2.8% 15.4 +41 3.35
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