Matt Brash

Matt Brash

26-Year-Old PitcherRP
Seattle Mariners
Out
Injury Elbow
Est. Return 6/1/2025
2024 Fantasy Outlook
Brash was a workhorse for Seattle last season, establishing career-highs in games played (78) and innings (70.2). He was 2nd among qualified relievers with 107 strikeouts and 8th with a 34.7% strikeout rate and 25.3% K-BB%. The 25-year-old's 9.4% walk percentage was below-average (34th percentile), but a significant improvement over 2022's 14.9% mark. Brash's improved control was likely a big factor in him earning more high-leverage opportunities. He primarily settled into a setup role and racked up a career-best 25 holds, 9 wins and 4 saves. Brash threw far more sliders (50.5% usage) last season, a +12.7 percent difference in usage from 2022. It continues to be his most successful offering (.162 BAA, 48.5% whiff), while his secondaries could still use some work despite adding velocity on his 4-seamer (98.1 mph average). It's clear Brash is most successful as a reliever, so expect him to maintain a late-inning role for the Mariners in 2024. Read Past Outlooks
RANKS
Rest of Season
From Preseason
#356
ADP
$Signed a one-year contract with the Mariners in March of 2024.
Visiting with team in September
PSeattle Mariners
Elbow
August 28, 2024
Brash, who continues to rehabilitate from a May 8 internal bracing procedure on his throwing elbow, will visit with the Mariners during the second week of September, MLB.com reports.
ANALYSIS
As was the case when he dropped by in early August, Brash's visit will allow him to reconnect with the big-league medical and training staff, as well as meet personally with new manager Dan Wilson. Brash was already engaging in plyometric exercises on a trampoline when he was last in Seattle several weeks ago, and there have been no reports of any setbacks as he aims for a pre-All-Star-break return in 2025.
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Pitching Stats
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2024
2023
2022
2021
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2023 MLB Game Log
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Left/Right Pitching Splits
Since 2022
 
 
-13%
BAA vs RHP
2024
No Stats
2023
 
 
-26%
BAA vs RHP
2022
 
 
-9%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2022vs Left .263 236 61 31 52 9 1 3
Since 2022vs Right .230 294 108 31 59 6 1 3
2024vs Left 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0
2023vs Left .281 142 36 15 34 6 1 2
2023vs Right .209 166 71 14 31 3 1 1
2022vs Left .234 94 25 16 18 3 0 1
2022vs Right .257 128 37 17 28 3 0 2
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Home/Away Pitching Splits
Since 2022
 
 
-25%
ERA at Home
2024
No Stats
2023
 
 
-37%
ERA on Road
2022
 
 
-66%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2022Home 3.12 1.40 60.2 10 2 0 12.2 5.0 0.4
Since 2022Away 4.15 1.45 60.2 3 6 4 12.9 4.2 0.4
2024Home 0 0 0 0 0 0 0 0 0
2024Away 0 0 0 0 0 0 0 0 0
2023Home 3.72 1.49 36.1 6 2 0 13.9 4.2 0.5
2023Away 2.36 1.17 34.1 3 2 4 13.4 3.1 0.3
2022Home 2.22 1.27 24.1 4 0 0 9.6 6.3 0.4
2022Away 6.49 1.82 26.1 0 4 0 12.3 5.5 0.7
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Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Matt Brash See More
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187 days ago
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Past Fantasy Outlooks
2023
2022
Brash opened the year in the Mariners' starting rotation, but issued 17 walks and had a 2.05 WHIP through five starts and was subsequently demoted to the minors. After two months in Triple-A, he returned to Seattle as a reliever. The right-hander fared much better in this role, recording a 2.35 ERA, 1.24 WHIP and 43:16 K:BB over his final 30.2 innings. He still had one of the league's worst walk rates at 14.9%, but issued "only" 4.7 BB/9 in relief versus 7.7 BB/9 as a starter. Brash didn't find success with his 97 mph fastball (.379 BA), but his slider and curve were excellent. It's clear he has the stuff to be a shutdown reliever for the M's, but he'll need to improve his control to earn more high-leverage opportunities.
Brash had thrown just 5.1 pro innings prior to last season, which ended up being a breakout campaign. He relied primarily on a 96-mph four-seam fastball that touched 100 mph and a low-to-mid-80s slider with elite spin and movement. Brash's slider is one of the best sliders currently in pro ball. He also throws a changeup and curveball, but those lag behind as distant third and fourth offerings, respectively. It's his command and control that he really needs to improve upon to reach his potential, however, as his changeup just needs to be passable for him to have success as a starter, and he may not even need a viable third pitch given how good his top two pitches are. The 6-foot-1 righty logged an 11.9 BB% in 97.1 innings at High-A and Double-A, and he can have trouble repeating his delivery. Already on the 40-man roster, Brash will begin the regular season in the major-league rotation, ahead of guys like George Kirby and Emerson Hancock. His fastball/slider combination is enough for him to have a fallback option as a shutdown reliever if starting doesn't work out.
More Fantasy News
Feeling upbeat in recovery
PSeattle Mariners
Elbow
August 7, 2024
Brash, who underwent season-ending elbow surgery May 8, has been with the Mariners during their current homestand and is set to begin playing catch in Arizona next week, Daniel Kramer of MLB.com reports.
ANALYSIS
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Set to begin throwing next month
PSeattle Mariners
Elbow
July 24, 2024
Mariners general manager Justin Hollander said Wednesday that Brash (elbow) will begin a throwing program in mid-August, Ryan Divish of The Seattle Times reports.
ANALYSIS
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Sheds protective brace
PSeattle Mariners
Elbow
June 13, 2024
Brash (elbow) has shed the protective brace he had been wearing following Tommy John surgery and remains at the Mariners' spring training complex in Arizona continuing his recovery, MLB.com reports.
ANALYSIS
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Undergoes Tommy John surgery
PSeattle Mariners
Elbow
May 10, 2024
Brash underwent Tommy John surgery Wednesday, Shannon Drayer of Seattle Sports 710 AM reports.
ANALYSIS
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Shifted to 60-day IL
PSeattle Mariners
Elbow
May 8, 2024
The Mariners transferred Brash (elbow) from the 15-day injured list to the 60-day IL on Wednesday.
ANALYSIS
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Latest Fantasy Rumors
Thriving in high-leverage role
PSeattle Mariners
August 11, 2023
Brash owns a 1.98 ERA and 1.10 WHIP across 13.2 innings since the All-Star break.
ANALYSIS
Brash is tied for the MLB lead with 14 appearances in the past 30 days. He recorded just his second save of the season August 4, but the 25-year-old has also notched 17 holds and eight wins across 57 appearances. He's a sneaky source of fantasy value with a slightly boosted ceiling after the Mariners traded closer Paul Sewald at the deadline.
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