Pitching

Sean Hermann

Seattle Mariners (A)

Age: 23

Bats/Throws: R/R

6'0" / 160

DOB: 6/13/2003

(23 years, 4 months, 18 days)

Player Dashboard:

Season	2026
Team	SEA
Level	MiLB
G	17
GS	12
IP	65.0
K%	22.6%
BB%	9.4%
GB%	50.0%
ERA	4.71
FIP	5.38
WAR

RosterResource

How Acquired:	Rule 5-AAA (NYY) Dec'25
Draft:	2021, Rd: 14, Pick: 21, Ovr: 423
Draft Team:	New York Yankees
Signing Bonus:	$135,000
High School:	Durant HS

Eligible

News

Rotowire: The Yankees list Hermann (elbow) as an available option out of the bullpen for Monday's Grapefruit League game against the Blue Jays, Bryan Hoch of MLB.com reports. (3/17/2025)

3/6/23

New York Yankees Top 44 Prospects

Eric Longenhagen

Article Source

All

Show

Rotowire News

Injury Report

Season	2026
Team	SEA
Level	MiLB
G	17
GS	12
IP	65.0
K%	22.6%
BB%	9.4%
GB%	50.0%
ERA	4.71
FIP	5.38
WAR

RosterResource

How Acquired:	Rule 5-AAA (NYY) Dec'25
Draft:	2021, Rd: 14, Pick: 21, Ovr: 423
Draft Team:	New York Yankees
Signing Bonus:	$135,000
High School:	Durant HS

Eligible

News

Rotowire: The Yankees list Hermann (elbow) as an available option out of the bullpen for Monday's Grapefruit League game against the Blue Jays, Bryan Hoch of MLB.com reports. (3/17/2025)

3/6/23

New York Yankees Top 44 Prospects

Eric Longenhagen

Article Source

All

Show

Rotowire News

Injury Report

Stats

Off

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2022	NYY	CPX	19	2	0	0	6	6	33.1	11.07	1.62	0.81	.305	75.5%	54.2%	13.6%	2.43		3.26	2.68
2022	NYY	A	19	0	0	0	4	4	20.1	7.08	3.10	2.21	.259	95.5%	46.6%	23.8%	2.66	4.43	6.62	4.82
2022	NYY	MiLB	19	2	0	0	10	10	53.2	9.56	2.18	1.34	.287	83.6%	51.1%	18.6%	2.52	4.43	4.53	3.49
2023	NYY	A	20	7	6	0	22	22	107.2	7.19	3.68	0.84	.318	65.2%	57.6%	13.2%	4.93	4.57	5.00	4.66
2023	NYY	A+	20	1	0	0	1	1	5.0	9.00	1.80	0.00	.375	85.7%	50.0%	0.0%	1.80		2.33	3.74
2023	NYY	MiLB	20	8	6	0	23	23	112.2	7.27	3.59	0.80	.320	66.0%	57.2%	12.3%	4.79	4.57	4.88	4.62
2023	NYY	ST	20	0	0	0	1	0	0.2	0.00	13.50	0.00	.833	66.7%	33.3%	0.0%	27.00		8.31	13.64
2025	NYY	A	22	2	1	3	37	0	59.2	6.79	4.98	0.00	.262	65.1%	53.9%	0.0%	3.17	4.15	4.10	4.82
2026	Steamer	PROJ	23	0	0	0	1	0	1.0	5.49	4.98	1.14	.295	70.8%	48.5%		5.02		5.39	5.35	0.0
2026	OOPSY	PROJ	23	0	0	0	1	1	2.9	3.40	4.60	1.33	.282	61.9%			6.05		6.00		0.0
2026	SEA	A	23	2	1	0	17	12	65.0	9.00	3.74	0.97	.326	68.7%	50.0%	12.1%	4.71		5.38	5.44

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	xERA	FIP	xFIP	WAR
2022	NYY	CPX	19	2	0	0	6	6	33.1	11.07	1.62	0.81	.305	75.5%	54.2%	13.6%	2.43		3.26	2.68
2022	NYY	A	19	0	0	0	4	4	20.1	7.08	3.10	2.21	.259	95.5%	46.6%	23.8%	2.66	4.43	6.62	4.82
2022	NYY	MiLB	19	2	0	0	10	10	53.2	9.56	2.18	1.34	.287	83.6%	51.1%	18.6%	2.52	4.43	4.53	3.49
2023	NYY	A	20	7	6	0	22	22	107.2	7.19	3.68	0.84	.318	65.2%	57.6%	13.2%	4.93	4.57	5.00	4.66
2023	NYY	A+	20	1	0	0	1	1	5.0	9.00	1.80	0.00	.375	85.7%	50.0%	0.0%	1.80		2.33	3.74
2023	NYY	MiLB	20	8	6	0	23	23	112.2	7.27	3.59	0.80	.320	66.0%	57.2%	12.3%	4.79	4.57	4.88	4.62
2023	NYY	ST	20	0	0	0	1	0	0.2	0.00	13.50	0.00	.833	66.7%	33.3%	0.0%	27.00		8.31	13.64
2025	NYY	A	22	2	1	3	37	0	59.2	6.79	4.98	0.00	.262	65.1%	53.9%	0.0%	3.17	4.15	4.10	4.82
2026	Steamer	PROJ	23	0	0	0	1	0	1.0	5.49	4.98	1.14	.295	70.8%	48.5%		5.02		5.39	5.35	0.0
2026	OOPSY	PROJ	23	0	0	0	1	1	2.9	3.40	4.60	1.33	.282	61.9%			6.05		6.00		0.0
2026	SEA	A	23	2	1	0	17	12	65.0	9.00	3.74	0.97	.326	68.7%	50.0%	12.1%	4.71		5.38	5.44

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	HBP	WP	BK	SO
2022	NYY	CPX	2	0	2.43	6	6		0	0	0	0	0	33.1	134	28	12	9	3	6	2	2	0	41
2022	NYY	A	0	0	2.66	4	4		0	0	0	0	0	20.1	85	19	8	6	5	7	3	0	0	16
2022	NYY	MiLB	2	0	2.52	10	10		0	0	0	0	0	53.2	219	47	20	15	8	13	5	2	0	57
2023	NYY	A	7	6	4.93	22	22		0	0	0	0	0	107.2	474	112	68	59	10	44	13	7	9	86
2023	NYY	A+	1	0	1.80	1	1		0	0	0	0	0	5.0	22	6	1	1	0	1	0	0	0	5
2023	NYY	MiLB	8	6	4.79	23	23		0	0	0	0	0	112.2	496	118	69	60	10	45	13	7	9	91
2023	NYY	ST	0	0	27.00	1	0		0	0	0	0	0	0.2	7	5	2	2	0	1	0	0	0	0
2025	NYY	A	2	1	3.17	37	0		0	0	3	9	0	59.2	258	45	30	21	0	33	8	5	1	45
2026	Steamer	PROJ	0	0	5.02	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0			1
2026	OOPSY	PROJ	0	0	6.05	1	1	0			0	0		2.9	13	3	2	2	0	2	0			1
2026	SEA	A	2	1	4.71	17	12		0	0	0	1	0	65.0	287	66	38	34	7	27	7	4	0	65

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	HBP	WP	BK	SO
2022	NYY	CPX	2	0	2.43	6	6		0	0	0	0	0	33.1	134	28	12	9	3	6	2	2	0	41
2022	NYY	A	0	0	2.66	4	4		0	0	0	0	0	20.1	85	19	8	6	5	7	3	0	0	16
2022	NYY	MiLB	2	0	2.52	10	10		0	0	0	0	0	53.2	219	47	20	15	8	13	5	2	0	57
2023	NYY	A	7	6	4.93	22	22		0	0	0	0	0	107.2	474	112	68	59	10	44	13	7	9	86
2023	NYY	A+	1	0	1.80	1	1		0	0	0	0	0	5.0	22	6	1	1	0	1	0	0	0	5
2023	NYY	MiLB	8	6	4.79	23	23		0	0	0	0	0	112.2	496	118	69	60	10	45	13	7	9	91
2023	NYY	ST	0	0	27.00	1	0		0	0	0	0	0	0.2	7	5	2	2	0	1	0	0	0	0
2025	NYY	A	2	1	3.17	37	0		0	0	3	9	0	59.2	258	45	30	21	0	33	8	5	1	45
2026	Steamer	PROJ	0	0	5.02	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0			1
2026	OOPSY	PROJ	0	0	6.05	1	1	0			0	0		2.9	13	3	2	2	0	2	0			1
2026	SEA	A	2	1	4.71	17	12		0	0	0	1	0	65.0	287	66	38	34	7	27	7	4	0	65

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2022	NYY	CPX	11.07	1.62	6.83	0.81	30.6%	4.5%	26.1%	.222	1.02	.305	75.5%	54	73	3.26
2022	NYY	A	7.08	3.10	2.29	2.21	18.8%	8.2%	10.6%	.253	1.28	.259	95.5%	68	166	6.62
2022	NYY	MiLB	9.56	2.18	4.38	1.34	26.0%	5.9%	20.1%	.234	1.12	.287	83.6%	59	109	4.53
2023	NYY	A	7.19	3.68	1.95	0.84	18.1%	9.3%	8.9%	.269	1.45	.318	65.2%	107	107	5.00
2023	NYY	A+	9.00	1.80	5.00	0.00	22.7%	4.5%	18.2%	.286	1.40	.375	85.7%	41	53	2.33
2023	NYY	MiLB	7.27	3.59	2.02	0.80	18.3%	9.1%	9.3%	.269	1.45	.320	66.0%	104	104	4.88
2023	NYY	ST	0.00	13.50	0.00	0.00	0.0%	14.3%	-14.3%	.833	9.00	.833	66.7%	560	178	8.31
2025	NYY	A	6.79	4.98	1.36	0.00	17.4%	12.8%	4.7%	.207	1.31	.262	65.1%	73	97	4.10
2026	Steamer	PROJ	5.49	4.98	1.10	1.14	13.3%	12.1%	1.2%	.272	1.63	.295	70.8%			5.39
2026	OOPSY	PROJ	3.40	4.60	0.74	1.33	8.6%	11.7%	-3.0%	.282	1.59	.282	61.9%			6.00
2026	SEA	A	9.00	3.74	2.41	0.97	22.6%	9.4%	13.2%	.261	1.43	.326	68.7%	85	100	5.38

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2022	NYY	CPX	11.07	1.62	6.83	0.81	30.6%	4.5%	26.1%	.222	1.02	.305	75.5%	54	73	3.26
2022	NYY	A	7.08	3.10	2.29	2.21	18.8%	8.2%	10.6%	.253	1.28	.259	95.5%	68	166	6.62
2022	NYY	MiLB	9.56	2.18	4.38	1.34	26.0%	5.9%	20.1%	.234	1.12	.287	83.6%	59	109	4.53
2023	NYY	A	7.19	3.68	1.95	0.84	18.1%	9.3%	8.9%	.269	1.45	.318	65.2%	107	107	5.00
2023	NYY	A+	9.00	1.80	5.00	0.00	22.7%	4.5%	18.2%	.286	1.40	.375	85.7%	41	53	2.33
2023	NYY	MiLB	7.27	3.59	2.02	0.80	18.3%	9.1%	9.3%	.269	1.45	.320	66.0%	104	104	4.88
2023	NYY	ST	0.00	13.50	0.00	0.00	0.0%	14.3%	-14.3%	.833	9.00	.833	66.7%	560	178	8.31
2025	NYY	A	6.79	4.98	1.36	0.00	17.4%	12.8%	4.7%	.207	1.31	.262	65.1%	73	97	4.10
2026	Steamer	PROJ	5.49	4.98	1.10	1.14	13.3%	12.1%	1.2%	.272	1.63	.295	70.8%			5.39
2026	OOPSY	PROJ	3.40	4.60	0.74	1.33	8.6%	11.7%	-3.0%	.282	1.59	.282	61.9%			6.00
2026	SEA	A	9.00	3.74	2.41	0.97	22.6%	9.4%	13.2%	.261	1.43	.326	68.7%	85	100	5.38

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2022	NYY	CPX	2.05	19.3%	54.2%	26.5%	9.1%	13.6%	44.2%	23.3%	32.6%	61	2.68
2022	NYY	A	1.29	17.2%	46.6%	36.2%	4.8%	23.8%	42.4%	25.4%	32.2%	123	4.82
2022	NYY	MiLB	1.67	18.4%	51.1%	30.5%	7.0%	18.6%	43.4%	24.1%	32.4%	84	3.49
2023	NYY	A	2.45	18.9%	57.6%	23.5%	15.8%	13.2%	49.2%	19.9%	30.8%	101	4.66
2023	NYY	A+	1.60	18.8%	50.0%	31.3%	0.0%	0.0%	56.3%	18.8%	25.0%	84	3.74
2023	NYY	MiLB	2.40	18.9%	57.2%	23.9%	14.8%	12.3%	49.6%	19.9%	30.5%	100	4.62
2023	NYY	ST	1.00	33.3%	33.3%	33.3%	0.0%	0.0%	66.7%	0.0%	33.3%	284	13.64
2025	NYY	A	2.17	21.2%	53.9%	24.8%	19.5%	0.0%	51.5%	15.8%	32.7%	112	4.82
2026	Steamer	PROJ		20.4%	48.5%	31.1%							5.35
2026	SEA	A	1.57	18.1%	50.0%	31.9%	8.6%	12.1%	49.7%	24.1%	26.2%	98	5.44

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2022	NYY	CPX	2.05	19.3%	54.2%	26.5%	9.1%	13.6%	44.2%	23.3%	32.6%	61	2.68
2022	NYY	A	1.29	17.2%	46.6%	36.2%	4.8%	23.8%	42.4%	25.4%	32.2%	123	4.82
2022	NYY	MiLB	1.67	18.4%	51.1%	30.5%	7.0%	18.6%	43.4%	24.1%	32.4%	84	3.49
2023	NYY	A	2.45	18.9%	57.6%	23.5%	15.8%	13.2%	49.2%	19.9%	30.8%	101	4.66
2023	NYY	A+	1.60	18.8%	50.0%	31.3%	0.0%	0.0%	56.3%	18.8%	25.0%	84	3.74
2023	NYY	MiLB	2.40	18.9%	57.2%	23.9%	14.8%	12.3%	49.6%	19.9%	30.5%	100	4.62
2023	NYY	ST	1.00	33.3%	33.3%	33.3%	0.0%	0.0%	66.7%	0.0%	33.3%	284	13.64
2025	NYY	A	2.17	21.2%	53.9%	24.8%	19.5%	0.0%	51.5%	15.8%	32.7%	112	4.82
2026	Steamer	PROJ		20.4%	48.5%	31.1%							5.35
2026	SEA	A	1.57	18.1%	50.0%	31.9%	8.6%	12.1%	49.7%	24.1%	26.2%	98	5.44

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches	EV	LA	Barrels	Barrel%
2022	NYY	CPX	45	22	16	2	74	251	325
2022	NYY	A	27	21	10	1	110	217	327	85.6	11.5	3	5.1%
2022	NYY	MiLB	72	43	26	3	184	468	652	85.6	11.5	3	5.1%
2023	NYY	A	186	76	61	12	647	1091	1738	86.5	4.1	10	3.0%
2023	NYY	A+	8	5	3	0	24	50	74
2023	NYY	MiLB	194	81	64	12	671	1141	1812	86.5	4.1	10	3.0%
2023	NYY	ST	2	2	2	0	11	10	21
2025	NYY	A	89	41	35	8	375	581	956	85.3	5.9	3	1.7%
2026	Steamer	PROJ	2	1	1
2026	SEA	A	91	58	33	5	385	654	1039

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches	EV	LA	Barrels	Barrel%
2022	NYY	CPX	45	22	16	2	74	251	325
2022	NYY	A	27	21	10	1	110	217	327	85.6	11.5	3	5.1%
2022	NYY	MiLB	72	43	26	3	184	468	652	85.6	11.5	3	5.1%
2023	NYY	A	186	76	61	12	647	1091	1738	86.5	4.1	10	3.0%
2023	NYY	A+	8	5	3	0	24	50	74
2023	NYY	MiLB	194	81	64	12	671	1141	1812	86.5	4.1	10	3.0%
2023	NYY	ST	2	2	2	0	11	10	21
2025	NYY	A	89	41	35	8	375	581	956	85.3	5.9	3	1.7%
2026	Steamer	PROJ	2	1	1
2026	SEA	A	91	58	33	5	385	654	1039

MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	O-Contact%	Z-Contact%	Contact%	Zone%	F-Strike%	SwStr%	CStr%	CSW%	Pace
2022	NYY	CPX			58.5%			55.8%		39.6%	25.8%	18.8%	44.6%
2022	NYY	A	34.1%	73.1%	53.2%	63.2%	82.9%	76.4%	48.9%	55.3%	12.5%	13.1%	25.7%	17.7
2022	NYY	MiLB	34.1%	73.1%	55.8%	63.2%	82.9%	65.7%	48.9%	45.7%	19.2%	16.0%	35.1%	17.7
2023	NYY	A	25.7%	70.2%	46.7%	60.4%	86.5%	78.9%	47.7%	49.4%	9.8%	15.9%	25.8%	18.3
2023	NYY	A+			51.4%			73.7%		59.1%	13.5%	14.9%	28.4%
2023	NYY	MiLB	25.7%	70.2%	46.9%	60.4%	86.5%	78.7%	47.7%	49.8%	10.0%	15.9%	25.9%	18.3
2023	NYY	ST			33.3%			85.7%		28.6%	4.8%	14.3%	19.0%
2025	NYY	A	25.6%	64.1%	43.2%	54.6%	86.7%	75.1%	45.3%	40.3%	10.8%	17.2%	27.9%	19.3
2026	SEA	A			44.1%			79.7%		50.5%	9.0%	17.7%	26.7%

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	O-Contact%	Z-Contact%	Contact%	Zone%	F-Strike%	SwStr%	CStr%	CSW%	Pace
2022	NYY	CPX			58.5%			55.8%		39.6%	25.8%	18.8%	44.6%
2022	NYY	A	34.1%	73.1%	53.2%	63.2%	82.9%	76.4%	48.9%	55.3%	12.5%	13.1%	25.7%	17.7
2022	NYY	MiLB	34.1%	73.1%	55.8%	63.2%	82.9%	65.7%	48.9%	45.7%	19.2%	16.0%	35.1%	17.7
2023	NYY	A	25.7%	70.2%	46.7%	60.4%	86.5%	78.9%	47.7%	49.4%	9.8%	15.9%	25.8%	18.3
2023	NYY	A+			51.4%			73.7%		59.1%	13.5%	14.9%	28.4%
2023	NYY	MiLB	25.7%	70.2%	46.9%	60.4%	86.5%	78.7%	47.7%	49.8%	10.0%	15.9%	25.9%	18.3
2023	NYY	ST			33.3%			85.7%		28.6%	4.8%	14.3%	19.0%
2025	NYY	A	25.6%	64.1%	43.2%	54.6%	86.7%	75.1%	45.3%	40.3%	10.8%	17.2%	27.9%	19.3
2026	SEA	A			44.1%			79.7%		50.5%	9.0%	17.7%	26.7%

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2022	NYY	CPX	P	6	6	33.1	2	4	3	0
2022	NYY	A	P	4	4	20.1	1	4	2	0
2023	NYY	A	P	22	22	107.2	7	11	0	0
2023	NYY	A+	P	1	1	5.0	0	2	0	0
2025	NYY	A	P	37	0	59.2	2	4	1	0
2026	SEA	A	P	17	12	65.0	2	6	1	1

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2022	NYY	CPX	P	6	6	33.1	2	4	3	0
2022	NYY	A	P	4	4	20.1	1	4	2	0
2023	NYY	A	P	22	22	107.2	7	11	0	0
2023	NYY	A+	P	1	1	5.0	0	2	0	0
2025	NYY	A	P	37	0	59.2	2	4	1	0
2026	SEA	A	P	17	12	65.0	2	6	1	1

Sean Hermann

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Fielding

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG