Pitching

Rony Calderon

Boston Red Sox (CPX)

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Age: 18

Bats/Throws: L/L

5'10" / 188

DOB: 6/17/2008

(18 years, 3 months, 22 days)

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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
2025	BOS	DSL	17	2	1	0	4	1	9.0		10.00	3.00	0.00	.182	50.0%	38.1%	0.0%				2.00		3.14	3.90
2026	BOS	CPX	18	2	1	0	14	0	20.1		11.51	11.07	0.89	.302	72.1%	23.3%	7.4%				4.43		7.09	7.58

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
2025	BOS	DSL	17	2	1	0	4	1	9.0		10.00	3.00	0.00	.182	50.0%	38.1%	0.0%				2.00		3.14	3.90
2026	BOS	CPX	18	2	1	0	14	0	20.1		11.51	11.07	0.89	.302	72.1%	23.3%	7.4%				4.43		7.09	7.58

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
2025	BOS	DSL	2	1	2.00	4	1		0	0	0	1	0	9.0	36	4	4	2	0	3	0	1	1	0	10
2026	BOS	CPX	2	1	4.43	14	0		0	0	0	0	4	20.1	99	15	14	10	2	25	0	3	3	2	26

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
2025	BOS	DSL	2	1	2.00	4	1		0	0	0	1	0	9.0	36	4	4	2	0	3	0	1	1	0	10
2026	BOS	CPX	2	1	4.43	14	0		0	0	0	0	4	20.1	99	15	14	10	2	25	0	3	3	2	26

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
2025	BOS	DSL	10.00	3.00	3.33	0.00		27.8%	8.3%	19.4%		.125	0.78	.182	50.0%		39	59		3.14
2026	BOS	CPX	11.51	11.07	1.04	0.89		26.3%	25.3%	1.0%		.211	1.97	.302	72.1%		72	121		7.09

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
2025	BOS	DSL	10.00	3.00	3.33	0.00		27.8%	8.3%	19.4%		.125	0.78	.182	50.0%		39	59		3.14
2026	BOS	CPX	11.51	11.07	1.04	0.89		26.3%	25.3%	1.0%		.211	1.97	.302	72.1%		72	121		7.09