Batting

Pitching

Luis Heredia

Free Agent (AAA)

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Age: 32

Bats/Throws: R/R

6'5" / 251

DOB: 8/10/1994

(32 years, 2 months, 7 days)

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Five Prospects To Avoid

Nathaniel Stoltz

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A Minor Review of 2013: Pirates

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Five Prospects To Avoid

Nathaniel Stoltz

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Pittsburgh Pirates Top 15 Prospects (2012-13)

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FanGraphs Audio: Marc Hulet on Assorted Top-15 Lists

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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
2011	PIT	R	16	1	2	0	12	11	30.1		6.82	5.64	0.89	.291	74.8%	36.0%	6.5%				4.75		5.46	5.15
2012	PIT	A-	17	4	2	0	14	14	66.1		5.43	2.71	0.27	.252	73.0%	53.3%	3.1%				2.71		3.47	3.66
2013	PIT	A	18	7	3	0	14	13	65.0		7.62	5.12	0.69	.272	83.0%	38.8%	6.0%				3.05		4.77	4.87
2014	PIT	A	19	2	4	0	17	17	89.0		4.35	3.34	0.91	.268	64.1%	51.2%	9.3%				4.15		5.32	4.97
2015	PIT	A+	20	5	6	0	21	21	86.0		5.65	4.60	0.31	.352	64.1%	50.3%	3.0%				5.44		4.18	4.30
2016	PIT	A+	21	4	6	12	45	0	54.1		6.96	5.13	0.17	.307	67.0%	61.3%	2.8%				3.64		3.77	4.05
2017	PIT	AA	22	3	3	2	36	0	52.1		7.39	5.33	0.52	.248	80.2%	50.7%	7.0%				3.10		4.22	4.45
2019	MEX	AAA	24	0	0	0	26	0	25.0		6.48	5.76	1.08	.409	53.8%	45.2%	10.7%				9.72		6.51	6.80

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
2011	PIT	R	16	1	2	0	12	11	30.1		6.82	5.64	0.89	.291	74.8%	36.0%	6.5%				4.75		5.46	5.15
2012	PIT	A-	17	4	2	0	14	14	66.1		5.43	2.71	0.27	.252	73.0%	53.3%	3.1%				2.71		3.47	3.66
2013	PIT	A	18	7	3	0	14	13	65.0		7.62	5.12	0.69	.272	83.0%	38.8%	6.0%				3.05		4.77	4.87
2014	PIT	A	19	2	4	0	17	17	89.0		4.35	3.34	0.91	.268	64.1%	51.2%	9.3%				4.15		5.32	4.97
2015	PIT	A+	20	5	6	0	21	21	86.0		5.65	4.60	0.31	.352	64.1%	50.3%	3.0%				5.44		4.18	4.30
2016	PIT	A+	21	4	6	12	45	0	54.1		6.96	5.13	0.17	.307	67.0%	61.3%	2.8%				3.64		3.77	4.05
2017	PIT	AA	22	3	3	2	36	0	52.1		7.39	5.33	0.52	.248	80.2%	50.7%	7.0%				3.10		4.22	4.45
2019	MEX	AAA	24	0	0	0	26	0	25.0		6.48	5.76	1.08	.409	53.8%	45.2%	10.7%				9.72		6.51	6.80

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
2011	PIT	R	1	2	4.75	12	11		0	0	0	0	0	30.1	135	28	16	16	3	19	0	4	1	1	23
2012	PIT	A-	4	2	2.71	14	14		0	0	0	0	0	66.1	265	53	22	20	2	20	0	1	4	0	40
2013	PIT	A	7	3	3.05	14	13		0	0	0	0	0	65.0	276	52	22	22	5	37	0	6	2	0	55
2014	PIT	A	2	4	4.15	17	17		0	0	0	0	0	89.0	384	87	54	41	9	33	0	8	9	0	43
2015	PIT	A+	5	6	5.44	21	21		0	0	0	0	0	86.0	399	105	59	52	3	44	0	8	9	0	54
2016	PIT	A+	4	6	3.64	45	0		0	0	12	0	1	54.1	252	55	30	22	1	31	0	2	12	1	42
2017	PIT	AA	3	3	3.10	36	0		0	0	2	8	1	52.1	232	41	18	18	3	31	2	2	2	0	43
2019	MEX	AAA	0	0	9.72	26	0		0	0	0	1	0	25.0	133	41	30	27	3	16	0	3	2	0	18

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
2011	PIT	R	1	2	4.75	12	11		0	0	0	0	0	30.1	135	28	16	16	3	19	0	4	1	1	23
2012	PIT	A-	4	2	2.71	14	14		0	0	0	0	0	66.1	265	53	22	20	2	20	0	1	4	0	40
2013	PIT	A	7	3	3.05	14	13		0	0	0	0	0	65.0	276	52	22	22	5	37	0	6	2	0	55
2014	PIT	A	2	4	4.15	17	17		0	0	0	0	0	89.0	384	87	54	41	9	33	0	8	9	0	43
2015	PIT	A+	5	6	5.44	21	21		0	0	0	0	0	86.0	399	105	59	52	3	44	0	8	9	0	54
2016	PIT	A+	4	6	3.64	45	0		0	0	12	0	1	54.1	252	55	30	22	1	31	0	2	12	1	42
2017	PIT	AA	3	3	3.10	36	0		0	0	2	8	1	52.1	232	41	18	18	3	31	2	2	2	0	43
2019	MEX	AAA	0	0	9.72	26	0		0	0	0	1	0	25.0	133	41	30	27	3	16	0	3	2	0	18

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
2011	PIT	R	6.82	5.64	1.21	0.89		17.0%	14.1%	3.0%		.250	1.55	.291	74.8%		131	146		5.46
2012	PIT	A-	5.43	2.71	2.00	0.27		15.1%	7.5%	7.5%		.217	1.10	.252	73.0%		73	96		3.47
2013	PIT	A	7.62	5.12	1.49	0.69		19.9%	13.4%	6.5%		.223	1.37	.272	83.0%		78	127		4.77
2014	PIT	A	4.35	3.34	1.30	0.91		11.2%	8.6%	2.6%		.254	1.35	.268	64.1%		102	133		5.32
2015	PIT	A+	5.65	4.60	1.23	0.31		13.5%	11.0%	2.5%		.303	1.73	.352	64.1%		168	129		4.18
2016	PIT	A+	6.96	5.13	1.35	0.17		16.7%	12.3%	4.4%		.251	1.58	.307	67.0%		99	102		3.77
2017	PIT	AA	7.39	5.33	1.39	0.52		18.5%	13.4%	5.2%		.206	1.38	.248	80.2%		77	107		4.22
2019	MEX	AAA	6.48	5.76	1.13	1.08		13.5%	12.0%	1.5%		.360	2.28	.409	53.8%		182	115		6.51

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
2011	PIT	R	6.82	5.64	1.21	0.89		17.0%	14.1%	3.0%		.250	1.55	.291	74.8%		131	146		5.46
2012	PIT	A-	5.43	2.71	2.00	0.27		15.1%	7.5%	7.5%		.217	1.10	.252	73.0%		73	96		3.47
2013	PIT	A	7.62	5.12	1.49	0.69		19.9%	13.4%	6.5%		.223	1.37	.272	83.0%		78	127		4.77
2014	PIT	A	4.35	3.34	1.30	0.91		11.2%	8.6%	2.6%		.254	1.35	.268	64.1%		102	133		5.32
2015	PIT	A+	5.65	4.60	1.23	0.31		13.5%	11.0%	2.5%		.303	1.73	.352	64.1%		168	129		4.18
2016	PIT	A+	6.96	5.13	1.35	0.17		16.7%	12.3%	4.4%		.251	1.58	.307	67.0%		99	102		3.77
2017	PIT	AA	7.39	5.33	1.39	0.52		18.5%	13.4%	5.2%		.206	1.38	.248	80.2%		77	107		4.22
2019	MEX	AAA	6.48	5.76	1.13	1.08		13.5%	12.0%	1.5%		.360	2.28	.409	53.8%		182	115		6.51

Minor Leagues

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	IFH%	BUH%	divider	Pull%	Cent%	Oppo%	divider	Soft%	Med%	Hard%	divider	SIERA	xFIP-	xFIP
2011	PIT	R	0.67	10.5%	36.0%	53.5%	26.1%	6.5%				42.7%	27.0%	30.3%							135	5.15
2012	PIT	A-	1.64	14.2%	53.3%	32.5%	17.2%	3.1%				46.3%	18.2%	35.5%							103	3.66
2013	PIT	A	0.83	14.6%	38.8%	46.6%	30.1%	6.0%				41.0%	19.7%	39.3%							129	4.87
2014	PIT	A	1.55	15.7%	51.2%	33.1%	21.6%	9.3%				46.0%	19.3%	34.7%							125	4.97
2015	PIT	A+	1.44	14.7%	50.3%	35.0%	11.0%	3.0%				36.9%	22.0%	41.0%							134	4.30
2016	PIT	A+	2.78	16.6%	61.3%	22.1%	19.4%	2.8%				37.9%	22.6%	39.5%							113	4.05
2017	PIT	AA	1.79	21.1%	50.7%	28.3%	20.9%	7.0%				43.2%	21.3%	35.5%							110	4.45
2019	MEX	AAA	1.50	24.7%	45.2%	30.1%	35.7%	10.7%				44.8%	20.8%	34.4%							117	6.80

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	IFH%	BUH%	divider	Pull%	Cent%	Oppo%	divider	Soft%	Med%	Hard%	divider	SIERA	xFIP-	xFIP
2011	PIT	R	0.67	10.5%	36.0%	53.5%	26.1%	6.5%				42.7%	27.0%	30.3%							135	5.15
2012	PIT	A-	1.64	14.2%	53.3%	32.5%	17.2%	3.1%				46.3%	18.2%	35.5%							103	3.66
2013	PIT	A	0.83	14.6%	38.8%	46.6%	30.1%	6.0%				41.0%	19.7%	39.3%							129	4.87
2014	PIT	A	1.55	15.7%	51.2%	33.1%	21.6%	9.3%				46.0%	19.3%	34.7%							125	4.97
2015	PIT	A+	1.44	14.7%	50.3%	35.0%	11.0%	3.0%				36.9%	22.0%	41.0%							134	4.30
2016	PIT	A+	2.78	16.6%	61.3%	22.1%	19.4%	2.8%				37.9%	22.6%	39.5%							113	4.05
2017	PIT	AA	1.79	21.1%	50.7%	28.3%	20.9%	7.0%				43.2%	21.3%	35.5%							110	4.45
2019	MEX	AAA	1.50	24.7%	45.2%	30.1%	35.7%	10.7%				44.8%	20.8%	34.4%							117	6.80

Minor Leagues

Season	Team	Level	GB	FB	LD	IFFB	IFH	BU	BUH	RS	Balls	Strikes	Pitches	divider	EV	LA	Barrels	Barrel%
2011	PIT	R	31	46	9	12					89	163	252
2012	PIT	A-	105	64	28	11					93	331	424
2013	PIT	A	69	83	26	25					182	368	550
2014	PIT	A	150	97	46	21					205	484	689
2015	PIT	A+	144	100	42	11					452	752	1204
2016	PIT	A+	100	36	27	7					401	588	989
2017	PIT	AA	77	43	32	9					354	564	918
2019	MEX	AAA	42	28	23	10					215	300	515

Season	Team	Level	GB	FB	LD	IFFB	IFH	BU	BUH	RS	Balls	Strikes	Pitches	divider	EV	LA	Barrels	Barrel%
2011	PIT	R	31	46	9	12					89	163	252
2012	PIT	A-	105	64	28	11					93	331	424
2013	PIT	A	69	83	26	25					182	368	550
2014	PIT	A	150	97	46	21					205	484	689
2015	PIT	A+	144	100	42	11					452	752	1204
2016	PIT	A+	100	36	27	7					401	588	989
2017	PIT	AA	77	43	32	9					354	564	918
2019	MEX	AAA	42	28	23	10					215	300	515

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

Minor LeaguesAverages

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	divider	O-Contact%	Z-Contact%	Contact%	Zone%	divider	F-Strike%	SwStr%	CStr%	CSW%	divider	Pace
2011	PIT	R			54.0%				65.4%			20.0%	18.7%	10.7%	29.4%
2012	PIT	A-			70.5%				68.6%			17.4%	22.2%	7.5%	29.7%
2013	PIT	A			60.7%				56.0%			22.1%	26.7%	6.2%	32.9%
2014	PIT	A			63.6%				74.2%			15.9%	16.4%	6.5%	22.9%
2015	PIT	A+			47.8%				83.7%			32.6%	7.8%	13.9%	21.7%
2016	PIT	A+			43.4%				76.9%			35.3%	10.0%	15.4%	25.4%
2017	PIT	AA			45.3%				81.0%			43.5%	8.6%	15.5%	24.1%
2019	MEX	AAA			46.0%				82.3%			34.6%	8.2%	12.2%	20.4%

Season	Team	Level	O-Swing%	Z-Swing%	Swing%	divider	O-Contact%	Z-Contact%	Contact%	Zone%	divider	F-Strike%	SwStr%	CStr%	CSW%	divider	Pace
2011	PIT	R			54.0%				65.4%			20.0%	18.7%	10.7%	29.4%
2012	PIT	A-			70.5%				68.6%			17.4%	22.2%	7.5%	29.7%
2013	PIT	A			60.7%				56.0%			22.1%	26.7%	6.2%	32.9%
2014	PIT	A			63.6%				74.2%			15.9%	16.4%	6.5%	22.9%
2015	PIT	A+			47.8%				83.7%			32.6%	7.8%	13.9%	21.7%
2016	PIT	A+			43.4%				76.9%			35.3%	10.0%	15.4%	25.4%
2017	PIT	AA			45.3%				81.0%			43.5%	8.6%	15.5%	24.1%
2019	MEX	AAA			46.0%				82.3%			34.6%	8.2%	12.2%	20.4%

Minor Leagues

Season	Team	Level	Pos	G	GS	Inn	PO	A	divider	E	FE	TE	divider	DP	DPS	DPT	DPF	divider	Scp	divider	SB	CS	PB	WP	divider	FP	divider	TZ
2011	PIT	R	P	12	11	30.1	0	2		0				0
2012	PIT	A-	P	14	14	66.1	2	8		1				0
2013	PIT	A	P	14	13	65.0	2	5		1				0
2014	PIT	A	P	17	17	89.0	5	12		2				1
2015	PIT	A+	P	21	21	86.0	2	13		1				0
2016	PIT	A+	P	45	0	54.1	4	12		2				0
2017	PIT	AA	P	36	0	52.1	8	8		1				0
2019	MEX	AAA	P	26	0	25.0	2	3		0				0

Season	Team	Level	Pos	G	GS	Inn	PO	A	divider	E	FE	TE	divider	DP	DPS	DPT	DPF	divider	Scp	divider	SB	CS	PB	WP	divider	FP	divider	TZ
2011	PIT	R	P	12	11	30.1	0	2		0				0
2012	PIT	A-	P	14	14	66.1	2	8		1				0
2013	PIT	A	P	14	13	65.0	2	5		1				0
2014	PIT	A	P	17	17	89.0	5	12		2				1
2015	PIT	A+	P	21	21	86.0	2	13		1				0
2016	PIT	A+	P	45	0	54.1	4	12		2				0
2017	PIT	AA	P	36	0	52.1	8	8		1				0
2019	MEX	AAA	P	26	0	25.0	2	3		0				0