Pitching

Jonathan Rosario

Miami Marlins (A)

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Age: 19

Bats/Throws: L/L

6'2" / 165

DOB: 1/3/2007

(19 years, 9 months, 1 day)

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Minor 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
2024	MIA	DSL	17	0	1	0	9	0	4.1		4.15	43.62	0.00	.607	28.2%	37.0%	0.0%				54.00		18.28	19.45
2025	MIA	DSL	18	3	0	0	16	0	21.0		10.71	7.71	0.86	.321	57.6%	72.7%	16.7%				5.57		6.03	5.19
2026	MIA	CPX	19	1	2	0	18	1	27.1		11.85	9.22	0.66	.262	51.7%	61.8%	15.4%				6.26		6.61	6.30
2026	MIA	A	19	0	1	0	8	0	8.2		12.46	9.35	1.04	.313	80.6%	64.7%	25.0%				5.19	7.92	7.35	6.62
2026	MIA	MiLB	19	1	3	0	26	1	36.0		12.00	9.25	0.75	.273	59.3%	62.5%	17.6%				6.00	7.92	6.79	6.37

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
2024	MIA	DSL	17	0	1	0	9	0	4.1		4.15	43.62	0.00	.607	28.2%	37.0%	0.0%				54.00		18.28	19.45
2025	MIA	DSL	18	3	0	0	16	0	21.0		10.71	7.71	0.86	.321	57.6%	72.7%	16.7%				5.57		6.03	5.19
2026	MIA	CPX	19	1	2	0	18	1	27.1		11.85	9.22	0.66	.262	51.7%	61.8%	15.4%				6.26		6.61	6.30
2026	MIA	A	19	0	1	0	8	0	8.2		12.46	9.35	1.04	.313	80.6%	64.7%	25.0%				5.19	7.92	7.35	6.62
2026	MIA	MiLB	19	1	3	0	26	1	36.0		12.00	9.25	0.75	.273	59.3%	62.5%	17.6%				6.00	7.92	6.79	6.37

Minor 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
2024	MIA	DSL	0	1	54.00	9	0		0	0	0	0	1	4.1	52	17	28	26	0	21	0	1	7	0	2
2025	MIA	DSL	3	0	5.57	16	0		0	0	0	0	0	21.0	102	19	19	13	2	18	0	4	9	0	25
2026	MIA	CPX	1	2	6.26	18	1		0	0	0	1	3	27.1	136	18	28	19	2	28	0	9	4	4	36
2026	MIA	A	0	1	5.19	8	0		0	0	0	0	1	8.2	43	6	5	5	1	9	0	5	0	0	12
2026	MIA	MiLB	1	3	6.00	26	1		0	0	0	1	4	36.0	179	24	33	24	3	37	0	14	4	4	48

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
2024	MIA	DSL	0	1	54.00	9	0		0	0	0	0	1	4.1	52	17	28	26	0	21	0	1	7	0	2
2025	MIA	DSL	3	0	5.57	16	0		0	0	0	0	0	21.0	102	19	19	13	2	18	0	4	9	0	25
2026	MIA	CPX	1	2	6.26	18	1		0	0	0	1	3	27.1	136	18	28	19	2	28	0	9	4	4	36
2026	MIA	A	0	1	5.19	8	0		0	0	0	0	1	8.2	43	6	5	5	1	9	0	5	0	0	12
2026	MIA	MiLB	1	3	6.00	26	1		0	0	0	1	4	36.0	179	24	33	24	3	37	0	14	4	4	48

Minor 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
2024	MIA	DSL	4.15	43.62	0.10	0.00		3.8%	40.4%	-36.5%		.567	8.77	.607	28.2%		999	365		18.28
2025	MIA	DSL	10.71	7.71	1.39	0.86		24.5%	17.6%	6.9%		.238	1.76	.321	57.6%		102	111		6.03
2026	MIA	CPX	11.85	9.22	1.29	0.66		26.5%	20.6%	5.9%		.182	1.68	.262	51.7%		111	119		6.61
2026	MIA	A	12.46	9.35	1.33	1.04		27.9%	20.9%	7.0%		.207	1.73	.313	80.6%		107	153		7.35
2026	MIA	MiLB	12.00	9.25	1.30	0.75		26.8%	20.7%	6.1%		.188	1.69	.273	59.3%		110	127		6.79

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
2024	MIA	DSL	4.15	43.62	0.10	0.00		3.8%	40.4%	-36.5%		.567	8.77	.607	28.2%		999	365		18.28
2025	MIA	DSL	10.71	7.71	1.39	0.86		24.5%	17.6%	6.9%		.238	1.76	.321	57.6%		102	111		6.03
2026	MIA	CPX	11.85	9.22	1.29	0.66		26.5%	20.6%	5.9%		.182	1.68	.262	51.7%		111	119		6.61
2026	MIA	A	12.46	9.35	1.33	1.04		27.9%	20.9%	7.0%		.207	1.73	.313	80.6%		107	153		7.35
2026	MIA	MiLB	12.00	9.25	1.30	0.75		26.8%	20.7%	6.1%		.188	1.69	.273	59.3%		110	127		6.79