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Matt Brash

Seattle Mariners · RP Throws: R Bats: R Height: 6'1 Weight: 173 Born: May 12, 1998 (27)

Percentile Ranks
vs LHH
vs RHH K%
80.3
72.5 xWOBA
0.252 · 99%
0.307 · 63%
xSLG
98.5
94.1

Year	Team	G	GS	W-L	IP	ERA	WHIP	K%	CSW%	BB%	xAVG	xSLG	xwOBA	xISO	BAR%	SS%	HH%	GB%	LD%	FB%	Z%	Z Sw%	OZ%	OZ Sw%	Apr	May	Jun	Jul	Aug	Sep
2025		31	0	1-0	27.0	1.00	1.19	25.0%	0.0%	10.3%	.225	.310	.281	.084	2.7%	27.4%	26%	59%	25%	15%	45%	13%	55%	46%	0.0	2.9	3.9	2.8	1.5	0.0
2023		78	0	9-4	70.2	3.06	1.34	34.7%	0.0%	9.4%	.210	.305	.280	.095	4.8%	31.3%	34%	46%	20%	30%	46%	24%	54%	64%	0.0	0.0	0.0	0.0	0.0	0.0
2022		39	5	4-4	50.2	4.44	1.57	27.9%	0.0%	14.9%	.247	.354	.328	.108	4.8%	33.6%	39%	52%	24%	17%	48%	19%	52%	56%	0.0	0.0	0.0	0.0	0.0	0.0

2025

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		KC		CH		SL		FF		Rating	DK $	DK	FD $	FD
1	2025	Aug, 01	TEX	0.2	2	3	0	0	0	0	0	0	0.0												n/a	1.50	n/a	2
2	2025	Jul, 28	@ATH	0.1	3	8	1	0	0	1	0	0	0.0												n/a	-0.45	n/a	1
3	2025	Jul, 25	@LAA	1.0	3	17	0	0	0	0	1	2	23.5	17.6%	96.0			47.1%	86.0	29.4%	89.8	5.9%	94.4		n/a	4.25	n/a	6
4	2025	Jul, 24	@LAA	0.2	2	12	0	0	0	0	2	4	33.3					100.0%	86.8						n/a	5.50	n/a	8
5	2025	Jul, 22	MIL	0.2	3	13	0	0	0	0	0	0	7.7	7.7%	96.9			46.2%	86.0	23.1%	90.3	23.1%	96.2		n/a	1.50	n/a	2
6	2025	Jul, 19	HOU	1.0	6	21	1	0	0	2	1	3	23.8	9.5%	97.2			9.5%	91.1	71.4%	85.5	4.8%	96.5		n/a	2.45	n/a	6
7	2025	Jul, 18	HOU	1.0	5	20	1	0	1	1	1	1	25.0	15.0%	96.9					75.0%	86.4	10.0%	96.3		n/a	1.05	n/a	3
8	2025	Jul, 13	@DET	1.0	3	10	0	0	0	0	2	3	60.0					90.0%	86.7			10.0%	97.2		n/a	10.25	n/a	15
9	2025	Jul, 12	@DET	0.2	2	4	0	0	0	0	0	0	25.0					100.0%	86.8						n/a	1.50	n/a	2
10	2025	Jul, 10	@NYY	0.2	3	12	1	1	1	0	1	0	16.7	41.7%	97.7			58.3%	87.4						n/a	0.90	n/a	2
11	2025	Jul, 05	PIT	1.0	4	17	0	0	0	1	1	1	35.3	47.1%	97.1			52.9%	85.7						n/a	3.65	n/a	6
12	2025	Jul, 02	KC	1.0	6	21	3	0	1	0	1	3	23.8	14.3%	96.4	4.8%	83.5	19.0%	89.8	61.9%	85.1				n/a	0.45	n/a	3
13	2025	Jun, 30	KC	1.0	3	11	0	0	0	0	1	1	45.5												n/a	4.25	n/a	6
14	2025	Jun, 28	@TEX	1.0	4	20	0	0	0	1	1	3	30.0												n/a	3.65	n/a	6
15	2025	Jun, 27	@TEX	1.0	4	15	1	0	0	0	2	3	33.3												n/a	5.65	n/a	9
16	2025	Jun, 24	@MIN	1.0	3	13	0	0	0	0	1	1	46.2												n/a	4.25	n/a	6
17	2025	Jun, 20	@CHC	1.0	4	14	0	0	0	1	0	0	14.3												n/a	1.65	n/a	3
18	2025	Jun, 13	CLE	1.0	4	17	1	0	0	0	0	1	17.6	29.4%	96.1	17.6%	83.9	5.9%	89.3	35.3%	85.8	11.8%	95.7		n/a	1.65	n/a	3
19	2025	Jun, 11	@ARI	1.0	4	20	1	0	0	0	1	0	10.0	20.0%	97.5	20.0%	85.9	45.0%	86.7	15.0%	89.5				n/a	3.65	n/a	6
20	2025	Jun, 08	@LAA	1.0	3	14	0	0	0	0	2	5	42.9	7.1%	96.2	28.6%	85.9	64.3%	86.5						n/a	6.25	n/a	9

2023

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		KC		SL		CH		FF		Rating	DK $	DK	FD $	FD

2022

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		KC		SL		CH		FF		Rating	DK $	DK	FD $	FD

2025 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		0%	4%	.153	.140	0.0	0.0	.170	.000	0	4%	.155	.416	25.0	50.0	.166	.000	0
Slider	Breaking	MPH		32%	70%	.202	.246	27.3	6.1	.246	.000	0	93%	.143	.202	35.3	11.8	.165	.000	0
Changeup	Offspeed	MPH		35%	25%	.180	.178	40.0	0.0	.228	.000	0	3%	.058	.052	0.0	0.0	.059	.000	0

2024 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR

2023 Splits				vs LHB									vs RHB
Pitch	Type	MPH	SPIN	Whiff%	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR	Usage	xBAVG	xWOBA	K%	BB%	xSLG	ISO	HR
4-Seamer	Fastball	MPH		26%	35%	.303	.405	14.0	22.0	.450	.154	1	33%	.239	.351	32.7	15.4	.352	.119	1
Cutter	Fastball	92.1 MPH	2670	27%	3%	.000	.593	0.0	0.0	.539	.495	0	5%	.269	.338	40.0	20.0	.293	.000	0
Sinker	Fastball	98.5 MPH	2205	26%	1%	1.000	.970	0.0	1.0	2.000	1.000	0	4%	.143	.201	25.0	0.0	.143	.200	0
Curveball	Breaking	85.8 MPH	2983	28%	12%	.250	.250	31.8	0.0	.300	.357	0	5%	.500	.441	25.0	0.0	.500	.667	0
Slider	Breaking	88.8 MPH	2825	49%	48%	.212	.288	33.8	4.6	.376	.103	1	53%	.122	.154	50.5	5.2	.161	.033	0
Changeup	Offspeed	MPH		0%	0%	.000	.000	0.0	0.0	.000	.000	0

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	54	.230	.252	.289	.000	25.9%	3.7%	0	60	.221	.307	.330	.082	25.0%	13.3%	1
2023	142	.263	.341	.402	.116	25.4%	10.6%	2	166	.166	.228	.225	.054	42.8%	8.4%	1
2022	94	.251	.340	.349	.078	26.6%	17.0%	1	127	.244	.318	.358	.083	29.1%	12.6%	2

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	39	.279	.318	28.2%	5.1%	.386	.000	0	47	.169	.251	25.5%	10.6%	.257	.075	1
2023	166	.214	.286	33.7%	10.2%	.317	.104	2	142	.205	.273	35.9%	8.5%	.290	.056	1
2022	99	.204	.301	26.3%	16.2%	.301	.074	1	122	.280	.349	29.5%	13.1%	.396	.086	2

Split	Games	Wind 0-9 mph+	Wind 10+ mph	Humid 0-25	Humid 25-50	Humid 50-75	Humid 75-100	Temp 0-40	Temp 40-60	Temp 61-79	Temp 80+
Road	3.48	4.51	2.34	5.05	4.76	0.46	3.80	0.00	8.10	3.86	2.81
Home	3.50	2.92	0.00	0.00	2.06	3.35	7.65	0.00	4.58	3.02	4.25