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Steven Matz

Boston Red Sox · RP Throws: L Bats: R Height: 6'2 Weight: 205 Born: May 29, 1991 (34)

Percentile Ranks
vs LHH
vs RHH K%
42.4
54.9 xWOBA
0.263 · 97%
0.296 · 77%
xSLG
95.5
50.0

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		32	2	5-2	55.0	3.44	1.20	20.8%	0.0%	4.3%	.232	.390	.283	.158	5.2%	32.6%	42%	45%	24%	21%	57%	14%	43%	39%	8.5	4.6	2.9	2.8	0.0	0.0
2024		12	7	1-2	44.1	5.08	1.45	17.4%	0.0%	7.9%	.269	.425	.331	.156	7.9%	44.3%	31%	41%	29%	21%	54%	15%	46%	28%	0.0	0.0	0.0	0.0	0.0	0.0
2023		25	17	4-7	105.0	3.86	1.33	21.8%	0.0%	7.1%	.252	.381	.304	.130	4.7%	31.3%	38%	46%	24%	24%	52%	19%	48%	42%	0.0	0.0	0.0	0.0	0.0	0.0
2022		15	10	5-3	48.0	5.25	1.25	26.1%	0.0%	4.8%	.253	.377	.297	.123	9.2%	39.7%	36%	38%	30%	24%	55%	24%	45%	39%	0.0	0.0	0.0	0.0	0.0	0.0
2021	Blue Jays	29	29	14-7	150.2	3.82	1.34	22.3%	0.0%	6.6%	.253	.396	.310	.143	7.0%	32.2%	38%	46%	24%	24%	54%	17%	47%	39%	0.0	0.0	0.0	0.0	0.0	0.0
2020	Mets	9	6	0-5	30.2	9.68	1.72	25.4%	0.0%	7.0%	.305	.577	.392	.273	13.5%	42.7%	49%	34%	32%	28%	50%	17%	50%	39%	0.0	0.0	0.0	0.0	0.0	0.0
2019	Mets	32	30	11-10	160.1	4.21	1.30	22.4%	0.0%	6.6%	.255	.452	.326	.196	8.6%	31.9%	39%	48%	23%	23%	51%	17%	49%	38%	0.0	0.0	0.0	0.0	0.0	0.0
2018	Mets	30	30	5-11	154.0	3.97	1.25	23.2%	0.0%	8.9%	.227	.375	.302	.148	7.4%	29.0%	37%	51%	21%	24%	54%	18%	46%	39%	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		CH		SL		CU		FF		Rating	DK $	DK	FD $	FD
1	2025	Jul, 29	MIA	1.0	6	24	3	0	2	0	0	3	33.3												n/a	-3.55	n/a	-3
2	2025	Jul, 28	MIA	1.0	4	15	1	0	0	0	1	0	26.7												n/a	3.65	n/a	6
3	2025	Jul, 25	SD	1.0	4	11	2	0	0	0	0	2	54.5	45.5%	94.8	18.2%	83.4			36.4%	79.2				n/a	1.05	n/a	3
4	2025	Jul, 20	@ARI	1.0	3	12	1	0	0	0	1	0	41.7	50.0%	95.1	16.7%	85.0	8.3%	89.1	25.0%	80.3				n/a	3.65	n/a	6
5	2025	Jul, 13	ATL	1.2	8	39	3	0	1	0	2	5	25.6	64.1%	95.3	7.7%	84.9	10.3%	90.4	17.9%	80.4				n/a	3.95	n/a	8
6	2025	Jul, 10	WSH	1.1	4	11	0	0	0	0	0	0	27.3	45.5%	95.0	27.3%	84.2			27.3%	79.7				n/a	3.00	n/a	4
7	2025	Jul, 08	WSH	1.0	4	22	1	0	0	1	0	1	13.6	59.1%	94.0	18.2%	84.0	4.5%	90.3	18.2%	79.0				n/a	1.05	n/a	3
8	2025	Jul, 05	@CHC	1.2	8	31	1	1	1	2	3	5	38.7	54.8%	97.0	12.9%	85.6	6.5%	90.6	25.8%	79.6				n/a	9.95	n/a	17
9	2025	Jun, 28	@CLE	1.2	6	17	1	0	0	0	0	1	23.5												n/a	3.15	n/a	5
10	2025	Jun, 24	CHC	1.1	6	19	2	1	2	0	1	1	15.8												n/a	3.80	n/a	7
11	2025	Jun, 21	CIN	1.2	9	39	2	1	3	2	1	3	30.8												n/a	-2.65	n/a	-1
12	2025	Jun, 19	@CWS	1.2	9	34	3	1	2	1	4	5	32.4												n/a	5.35	n/a	11
13	2025	Jun, 13	@MIL	1.2	6	28	1	0	0	0	2	3	35.7	39.3%	94.4	28.6%	84.7			28.6%	80.3				n/a	7.15	n/a	11
14	2025	Jun, 07	LAD	1.2	6	18	2	0	0	0	1	1	27.8	55.6%	95.1	16.7%	83.6			27.8%	80.4				n/a	4.55	n/a	8
15	2025	Jun, 06	LAD	1.0	3	11	0	0	0	0	2	2	54.5	36.4%	94.6	36.4%	83.6			27.3%	79.6				n/a	6.25	n/a	9
16	2025	Jun, 03	KC	1.1	7	23	3	0	2	0	2	3	39.1	56.5%	94.4	21.7%	84.1			21.7%	78.8				n/a	1.20	n/a	4
17	2025	Jun, 01	@TEX	0.1	4	11	2	0	1	0	0	0	18.2	27.3%	94.5	27.3%	84.6			36.4%	80.0				n/a	-2.45	n/a	-2
18	2025	May, 27	@BAL	1.1	5	24	1	0	0	0	1	1	29.2	70.8%	94.5	4.2%	85.4			25.0%	79.5				n/a	8.40	n/a	13
19	2025	May, 24	ARI	0.2	4	20	2	0	1	0	1	1	15.0	75.0%	95.5	15.0%	83.5			10.0%	80.5				n/a	0.30	n/a	2
20	2025	May, 20	DET	2.2	8	34	0	0	0	0	2	2	29.4	64.7%	95.3	14.7%	85.0			20.6%	80.3				n/a	10.00	n/a	14

2024

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

2023

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

2021

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

2020

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

2019

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

2018

Box Score														Pitch Usage/Velo										DFS
#	Date		Opp	IP	BF	PC	H	HR	ER	BB	SO	SwStr	CSW%	SI		CH		SL		CU		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
Slider	Breaking	MPH		22%	42%	.000	.000	0.0	0.0	.000	.000	0	7%	.346	.482	0.0	33.3	.542	.500	0
Changeup	Offspeed	MPH		20%	58%	.319	.342	0.0	0.0	.487	.000	0	93%	.233	.333	13.6	4.5	.524	.238	3

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
4-Seamer	Fastball	MPH		0%	0%	.000	.000	0.0	0.0	.000	.000	0
Slider	Breaking	88.1 MPH	2118	19%	56%	.323	.298	16.7	0.0	.372	.000	0	15%	.296	.390	0.0	12.5	.519	.143	0
Changeup	Offspeed	83.3 MPH	2319	27%	44%	.431	.503	16.7	0.0	.640	.200	0	85%	.268	.351	21.0	9.7	.470	.273	4

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
Sinker	Fastball	94.1 MPH	2227	25%	67%	.244	.311	19.3	10.5	.351	.082	1	53%	.221	.291	24.3	10.4	.355	.181	5
Curveball	Breaking	78.5 MPH	2267	20%	23%	.125	.213	16.7	0.0	.313	.083	1	13%	.314	.356	19.0	2.4	.483	.132	1
Slider	Breaking	88.9 MPH	2131	10%	2%	.000	1.018	0.0	0.0	.929	.863	0	2%	.000	.388	0.0	0.0	.334	.304	0
Changeup	Offspeed	84.2 MPH	2306	29%	9%	.149	.177	35.7	7.1	.162	.000	0	32%	.280	.313	20.6	4.3	.412	.126	3

Splits	vs LHB								vs RHB
Year	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR	PA	xBAVG	xWOBA	xSLG	ISO	K%	BB%	HR
2025	90	.232	.263	.334	.047	18.9%	3.3%	0	141	.232	.296	.425	.158	22.0%	5.0%	4
2024	49	.253	.288	.325	.091	12.2%	4.1%	0	140	.275	.346	.459	.213	19.3%	8.6%	7
2023	90	.232	.290	.332	.089	21.1%	7.8%	2	359	.257	.307	.393	.154	22.0%	7.0%	9
2022	47	.262	.296	.330	.140	29.8%	6.4%	1	160	.251	.298	.390	.184	25.0%	4.4%	7

	Home								Road
Season	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR	PA	xAVG	xWOBA	K%	BB%	xSLG	ISO	HR
2025	109	.246	.282	20.2%	3.7%	.377	.125	2	101	.218	.285	22.8%	5.0%	.402	.096	2
2024	49	.253	.288	12.2%	4.1%	.325	.091	0	123	.284	.337	17.1%	6.5%	.425	.189	4
2023	231	.258	.319	21.2%	8.2%	.403	.144	7	218	.245	.288	22.5%	6.0%	.359	.139	4
2022	98	.264	.306	24.5%	3.1%	.404	.160	3	109	.243	.290	27.5%	6.4%	.351	.188	5

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	7.16	5.88	10.99	0.00	3.24	14.63	10.68	0.00	6.14	7.03	6.68
Home	5.02	5.14	4.50	0.00	2.46	8.76	3.76	0.00	2.67	5.75	8.22