Seattle Mariners · Pitcher · #47
Matt Brash
Age 286' 1" · 173lbBats R · Throws RDebut 2022From Kingston
ERA
0.54
W-L
3-0
K
15
WHIP
0.84
WAR
0.3
FIP
2.90
Awards
2 major honorsAll-Star ×2
2021
League Percentile
2026 season · percentile vs 290 relievers with 20+ IPERA
100
0.54WHIP
97
0.84Strikeouts
2
15K/9
35
8.10Wins
63
3Bottom of leagueAverage (50)Top of league
⚠ Below the 20 IP threshold. Percentiles are for reference only.
relief pitchers · by ERA
Top 1%
Matt Brash's ERA (0.54) ranks above average among 290 relievers with 20+ IP. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.
PITCHING
Season · Career| Category | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Season | 20 | 0.54 | 3 | 0 | 0 | 16.2 | 15 | 6 | 0.84 |
| Career | 190 | 3.06 | 17 | 11 | 8 | 185.1 | 242 | 86 | 1.33 |
Hover over a stat for its definition.
ARSENAL
Pitch arsenal · 2026 usage and average velocitySlider59.5%avg 140 km/h
Sinker21.0%avg 157 km/h
Changeup13.4%avg 146 km/h
Four-Seam6.1%avg 155 km/h
ADVANCED
Advanced metrics · 2026 seasonBABIP
.205
K/9
8.10
BB/9
3.24
HR/9
0.00
Quality starts
0
Whiff%
32.1%
GAME LOG
Last 10 games · includes team result| Date | Opp | Innings | Hits | ER | Walks | Strikeouts | Team |
|---|---|---|---|---|---|---|---|
| 06.08 | @ BAL | 0.2 | 0 | 0 | 1 | 1 | W |
| 06.06 | @ DET | 1.0 | 0 | 0 | 1 | 1 | W |
| 06.01 | vs NYM | 1.0 | 0 | 0 | 0 | 1 | W |
| 05.29 | vs AZ | 0.2 | 2 | 1 | 2 | 1 | W |
| 05.22 | @ KC | 1.0 | 2 | 0 | 0 | 1 | W |
| 05.20 | vs CWS | 1.0 | 1 | 0 | 0 | 2 | W |
| 04.29 | @ MIN | 0.0 | 0 | 0 | 0 | 0 | W |
| 04.28 | @ MIN | 1.0 | 0 | 0 | 0 | 2 | W |
| 04.25 | @ STL | 1.0 | 0 | 0 | 0 | 1 | W |
| 04.24 | @ STL | 1.0 | 0 | 0 | 0 | 0 | W |
SPLITS
Situational splits (2026)Home
Opp AVG.194
IP9.0
K6
WHIP1.11
Away
Opp AVG.091
IP7.2
K9
WHIP0.52
vs LHP
Opp AVG.148
IP8.1
K6
WHIP0.96
vs RHP
Opp AVG.154
IP8.1
K9
WHIP0.72
RISP
Opp AVG.154
IP4.1
K3
WHIP1.38
YEAR BY YEAR
Year-by-year · Career trendsERALower is better
▼ Trending up year over yearShow yearly figures
| Year | ERA |
|---|---|
| 2022 | 4.44 |
| 2023 | 3.06 |
| 2025 | 2.47 |
| 2026 | 0.54 |
WHIPLower is better
▼ Trending up year over yearShow yearly figures
| Year | WHIP |
|---|---|
| 2022 | 1.56 |
| 2023 | 1.33 |
| 2025 | 1.25 |
| 2026 | 0.84 |
Strikeouts
▼ Trending down year over yearShow yearly figures
| Year | Strikeouts |
|---|---|
| 2022 | 62 |
| 2023 | 107 |
| 2025 | 58 |
| 2026 | 15 |
| Year | Team | Games | ERA | Wins | Losses | Saves | Innings | Strikeouts | Walks | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | SEA | 39 | 4.44 | 4 | 4 | 0 | 50.2 | 62 | 33 | 1.56 |
| 2023 | SEA | 78 | 3.06 | 9 | 4 | 4 | 70.2 | 107 | 29 | 1.33 |
| 2025 | SEA | 53 | 2.47 | 1 | 3 | 4 | 47.1 | 58 | 18 | 1.25 |
| 2026 | SEA | 20 | 0.54 | 3 | 0 | 0 | 16.2 | 15 | 6 | 0.84 |
