Pitching

Pitterson Rosa

Pittsburgh Pirates (A)

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Age: 21

Bats/Throws: R/R

6'2" / 178

DOB: 11/30/2004

(21 years, 10 months, 9 days)

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Preseason ProjectionsMinor Leagues

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2022	PIT	DSL	17	0	1	0	8	8	22.1		9.67	4.43	0.00	.271	66.7%	55.3%	0.0%				3.22		3.54	4.02
2023	PIT	DSL	18	1	2	0	12	11	29.0		12.72	7.14	0.31	.391	60.1%	43.3%	4.3%				6.21		4.18	4.31
2024	PIT	CPX	19	2	1	0	5	0	8.2		7.27	7.27	1.04	.308	61.6%	37.0%	7.1%				7.27		6.13	5.99
2025	PIT	CPX	20	1	1	1	17	2	27.0		8.33	9.00	1.00	.321	55.4%	41.6%	10.0%				7.67		6.83	6.28
2025	PIT	A	20	0	1	0	1	0	2.0		13.50	4.50	0.00	.571	60.0%	42.9%	0.0%				9.00	12.42	2.05	2.05
2025	PIT	MiLB	20	1	2	1	18	2	29.0		8.69	8.69	0.93	.341	55.7%	41.7%	10.0%				7.76	12.42	6.50	5.99
2026	Steamer	PROJ	21	0	0	0	1	0	1.0		5.30	6.79	1.41	.301	68.2%	40.7%					6.38		6.40	6.40	0.0
2026	OOPSY	PROJ	21	0	0	0	1	0	1.6		4.57	6.46	1.59	.292	69.7%						6.40		6.77		0.0
2026	PIT	A	21	1	0	0	7	0	9.0		10.00	11.00	0.00	.320	50.0%	37.5%	0.0%				3.00	7.27	5.55	7.22

Season	Team	Level	Age	W	L	SV	G	GS	IP	divider	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	divider	vFA	divider	ERA	xERA	FIP	xFIP	WAR
2022	PIT	DSL	17	0	1	0	8	8	22.1		9.67	4.43	0.00	.271	66.7%	55.3%	0.0%				3.22		3.54	4.02
2023	PIT	DSL	18	1	2	0	12	11	29.0		12.72	7.14	0.31	.391	60.1%	43.3%	4.3%				6.21		4.18	4.31
2024	PIT	CPX	19	2	1	0	5	0	8.2		7.27	7.27	1.04	.308	61.6%	37.0%	7.1%				7.27		6.13	5.99
2025	PIT	CPX	20	1	1	1	17	2	27.0		8.33	9.00	1.00	.321	55.4%	41.6%	10.0%				7.67		6.83	6.28
2025	PIT	A	20	0	1	0	1	0	2.0		13.50	4.50	0.00	.571	60.0%	42.9%	0.0%				9.00	12.42	2.05	2.05
2025	PIT	MiLB	20	1	2	1	18	2	29.0		8.69	8.69	0.93	.341	55.7%	41.7%	10.0%				7.76	12.42	6.50	5.99
2026	Steamer	PROJ	21	0	0	0	1	0	1.0		5.30	6.79	1.41	.301	68.2%	40.7%					6.38		6.40	6.40	0.0
2026	OOPSY	PROJ	21	0	0	0	1	0	1.6		4.57	6.46	1.59	.292	69.7%						6.40		6.77		0.0
2026	PIT	A	21	1	0	0	7	0	9.0		10.00	11.00	0.00	.320	50.0%	37.5%	0.0%				3.00	7.27	5.55	7.22

Preseason ProjectionsMinor Leagues

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	PIT	DSL	0	1	3.22	8	8		0	0	0	0	0	22.1	86	13	9	8	0	11	0	3	6	0	24
2023	PIT	DSL	1	2	6.21	12	11		0	0	0	0	0	29.0	136	28	22	20	1	23	0	2	5	0	41
2024	PIT	CPX	2	1	7.27	5	0		0	0	0	0	0	8.2	41	9	7	7	1	7	0	0	2	1	7
2025	PIT	CPX	1	1	7.67	17	2		0	0	1	1	0	27.0	142	29	30	23	3	27	0	6	9	0	25
2025	PIT	A	0	1	9.00	1	0		0	0	0	0	0	2.0	11	4	2	2	0	1	0	0	0	0	3
2025	PIT	MiLB	1	2	7.76	18	2		0	0	1	1	0	29.0	153	33	32	25	3	28	0	6	9	0	28
2026	Steamer	PROJ	0	0	6.38	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2026	OOPSY	PROJ	0	0	6.40	1	0	0			0	0		1.6	8	2	1	1	0	1	0	0			1
2026	PIT	A	1	0	3.00	7	0		0	0	0	0	0	9.0	47	8	10	3	0	11	0	1	4	1	10

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	PIT	DSL	0	1	3.22	8	8		0	0	0	0	0	22.1	86	13	9	8	0	11	0	3	6	0	24
2023	PIT	DSL	1	2	6.21	12	11		0	0	0	0	0	29.0	136	28	22	20	1	23	0	2	5	0	41
2024	PIT	CPX	2	1	7.27	5	0		0	0	0	0	0	8.2	41	9	7	7	1	7	0	0	2	1	7
2025	PIT	CPX	1	1	7.67	17	2		0	0	1	1	0	27.0	142	29	30	23	3	27	0	6	9	0	25
2025	PIT	A	0	1	9.00	1	0		0	0	0	0	0	2.0	11	4	2	2	0	1	0	0	0	0	3
2025	PIT	MiLB	1	2	7.76	18	2		0	0	1	1	0	29.0	153	33	32	25	3	28	0	6	9	0	28
2026	Steamer	PROJ	0	0	6.38	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1	0	0			1
2026	OOPSY	PROJ	0	0	6.40	1	0	0			0	0		1.6	8	2	1	1	0	1	0	0			1
2026	PIT	A	1	0	3.00	7	0		0	0	0	0	0	9.0	47	8	10	3	0	11	0	1	4	1	10

Preseason ProjectionsMinor LeaguesAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2022	PIT	DSL	9.67	4.43	2.18	0.00		27.9%	12.8%	15.1%		.181	1.07	.271	66.7%		72	80		3.54
2023	PIT	DSL	12.72	7.14	1.78	0.31		30.1%	16.9%	13.2%		.252	1.76	.391	60.1%		139	90		4.18
2024	PIT	CPX	7.27	7.27	1.00	1.04		17.1%	17.1%	0.0%		.265	1.85	.308	61.6%		165	138		6.13
2025	PIT	CPX	8.33	9.00	0.93	1.00		17.6%	19.0%	-1.4%		.266	2.07	.321	55.4%		187	166		6.83
2025	PIT	A	13.50	4.50	3.00	0.00		27.3%	9.1%	18.2%		.400	2.50	.571	60.0%		207	46		2.05
2025	PIT	MiLB	8.69	8.69	1.00	0.93		18.3%	18.3%	0.0%		.277	2.10	.341	55.7%		188	157		6.50
2026	Steamer	PROJ	5.30	6.79	0.78	1.41		12.2%	15.6%	-3.4%		.284	1.90	.301	68.2%					6.40
2026	OOPSY	PROJ	4.57	6.46	0.71	1.59		9.7%	13.7%	-4.0%		.287	1.99	.292	69.7%					6.77
2026	PIT	A	10.00	11.00	0.91	0.00		21.3%	23.4%	-2.1%		.229	2.11	.320	50.0%		60	109		5.55

Season	Team	Level	K/9	BB/9	K/BB	HR/9	divider	K%	BB%	K-BB%	divider	AVG	WHIP	BABIP	LOB%	divider	ERA-	FIP-	divider	FIP
2022	PIT	DSL	9.67	4.43	2.18	0.00		27.9%	12.8%	15.1%		.181	1.07	.271	66.7%		72	80		3.54
2023	PIT	DSL	12.72	7.14	1.78	0.31		30.1%	16.9%	13.2%		.252	1.76	.391	60.1%		139	90		4.18
2024	PIT	CPX	7.27	7.27	1.00	1.04		17.1%	17.1%	0.0%		.265	1.85	.308	61.6%		165	138		6.13
2025	PIT	CPX	8.33	9.00	0.93	1.00		17.6%	19.0%	-1.4%		.266	2.07	.321	55.4%		187	166		6.83
2025	PIT	A	13.50	4.50	3.00	0.00		27.3%	9.1%	18.2%		.400	2.50	.571	60.0%		207	46		2.05
2025	PIT	MiLB	8.69	8.69	1.00	0.93		18.3%	18.3%	0.0%		.277	2.10	.341	55.7%		188	157		6.50
2026	Steamer	PROJ	5.30	6.79	0.78	1.41		12.2%	15.6%	-3.4%		.284	1.90	.301	68.2%					6.40
2026	OOPSY	PROJ	4.57	6.46	0.71	1.59		9.7%	13.7%	-4.0%		.287	1.99	.292	69.7%					6.77
2026	PIT	A	10.00	11.00	0.91	0.00		21.3%	23.4%	-2.1%		.229	2.11	.320	50.0%		60	109		5.55