Pitching

Sean Hermann

Seattle Mariners (A)

Age: 23

Bats/Throws: R/R

6'0" / 160

DOB: 6/13/2003

(23 years, 2 months, 18 days)

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Preseason ProjectionsIn-Season 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	16	12	63.0	9.14	3.86	1.00	.324	68.8%	50.3%	12.5%	4.71		5.37	5.37
2026	Steamer	ROS	23	0	0	0	0	0	1.0	4.91	4.78	1.29	.300	69.0%			5.49		5.63		0.0
2026	OOPSY	ROS	23	0	0	0	1	1	3.2	4.44	4.65	1.35	.283	64.1%			5.78		5.81		0.0

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	16	12	63.0	9.14	3.86	1.00	.324	68.8%	50.3%	12.5%	4.71		5.37	5.37
2026	Steamer	ROS	23	0	0	0	0	0	1.0	4.91	4.78	1.29	.300	69.0%			5.49		5.63		0.0
2026	OOPSY	ROS	23	0	0	0	1	1	3.2	4.44	4.65	1.35	.283	64.1%			5.78		5.81		0.0

Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	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	0	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	0	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	0	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	0	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	0	5
2023	NYY	MiLB	8	6	4.79	23	23		0	0	0	0	0	112.2	496	118	69	60	10	45	0	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	0
2025	NYY	A	2	1	3.17	37	0		0	0	3	9	0	59.2	258	45	30	21	0	33	0	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	0			1
2026	OOPSY	PROJ	0	0	6.05	1	1	0			0	0		2.9	13	3	2	2	0	2	0	0			1
2026	SEA	A	2	1	4.71	16	12		0	0	0	1	0	63.0	280	64	37	33	7	27	0	6	4	0	64
2026	Steamer	ROS	0	0	5.49	0	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.78	1	1	0			0	0		3.2	14	3	2	2	0	2	0	0			2

Season	Team	Level	W	L	ERA	G	GS	QS	CG	ShO	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	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	0	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	0	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	0	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	0	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	0	5
2023	NYY	MiLB	8	6	4.79	23	23		0	0	0	0	0	112.2	496	118	69	60	10	45	0	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	0
2025	NYY	A	2	1	3.17	37	0		0	0	3	9	0	59.2	258	45	30	21	0	33	0	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	0			1
2026	OOPSY	PROJ	0	0	6.05	1	1	0			0	0		2.9	13	3	2	2	0	2	0	0			1
2026	SEA	A	2	1	4.71	16	12		0	0	0	1	0	63.0	280	64	37	33	7	27	0	6	4	0	64
2026	Steamer	ROS	0	0	5.49	0	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2026	OOPSY	ROS	0	0	5.78	1	1	0			0	0		3.2	14	3	2	2	0	2	0	0			2

Preseason ProjectionsIn-Season 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	9.14	3.86	2.37	1.00	22.9%	9.6%	13.2%	.259	1.44	.324	68.8%	86	101	5.37
2026	Steamer	ROS	4.91	4.78	1.03	1.29	11.8%	11.5%	0.3%	.284	1.67	.300	69.0%			5.63
2026	OOPSY	ROS	4.44	4.65	0.95	1.35	11.1%	11.6%	-0.5%	.275	1.58	.283	64.1%			5.81

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	9.14	3.86	2.37	1.00	22.9%	9.6%	13.2%	.259	1.44	.324	68.8%	86	101	5.37
2026	Steamer	ROS	4.91	4.78	1.03	1.29	11.8%	11.5%	0.3%	.284	1.67	.300	69.0%			5.63
2026	OOPSY	ROS	4.44	4.65	0.95	1.35	11.1%	11.6%	-0.5%	.275	1.58	.283	64.1%			5.81