Pitching

Railin Perez

Houston Astros (AA)

Age: 25

Bats/Throws: R/R

6'3" / 185

DOB: 9/2/2001

(25 years, 2 months, 13 days)

Player Dashboard:

Season	2026
Team	HOU
Level	MiLB
G	46
GS	0
IP	51.0
K%	29.8%
BB%	12.9%
GB%	46.7%
ERA	3.53
FIP	3.96
WAR

RosterResource

How Acquired:	Rule 5-AAA (BOS) Dec'23
Birthplace:	Dominican Republic

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7/12/25

Houston Astros Top 38 Prospects

James Fegan

Article Source

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Injury Report

Season	2026
Team	HOU
Level	MiLB
G	46
GS	0
IP	51.0
K%	29.8%
BB%	12.9%
GB%	46.7%
ERA	3.53
FIP	3.96
WAR

RosterResource

How Acquired:	Rule 5-AAA (BOS) Dec'23
Birthplace:	Dominican Republic

Eligible

News

7/12/25

Houston Astros Top 38 Prospects

James Fegan

Article Source

All

Show

Rotowire News

Injury Report

Stats

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Preseason 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	FIP	xFIP	WAR
2019	BOS	R	17	1	1	0	13	6	50.0	7.92	3.42	0.36	.289	65.0%	51.5%	5.1%	3.60	4.07	3.97
2021	BOS	DSL	19	2	3	10	21	0	33.1	10.26	4.32	0.27	.277	84.1%	56.3%	5.6%	1.35	3.55	3.49
2022	BOS	CPX	20	1	0	4	13	0	23.1	11.96	3.09	0.00	.273	87.0%	52.3%	0.0%	1.16	2.58	3.08
2023	BOS	A	21	2	3	3	32	0	56.0	11.09	5.46	0.16	.322	65.8%	57.4%	3.8%	3.70	3.61	3.86
2024	HOU	A+	22	4	2	3	37	0	52.2	10.59	5.47	0.68	.308	77.2%	46.6%	9.1%	3.42	4.35	4.43
2024	HOU	AA	22	0	0	0	2	0	1.2	5.40	21.60	0.00	.200	50.0%	60.0%	0.0%	16.20	11.21	11.21
2024	HOU	MiLB	22	4	2	3	39	0	54.1	10.44	5.96	0.66	.304	75.2%	47.1%	9.1%	3.81	4.56	4.63
2025	HOU	A+	23	7	2	4	29	0	48.1	12.10	5.21	0.19	.339	67.5%	50.0%	3.3%	3.72	3.21	3.61
2025	HOU	AA	23	0	2	2	13	0	15.0	7.80	9.00	0.60	.341	65.5%	35.6%	6.3%	6.60	6.38	6.86
2025	HOU	MiLB	23	7	4	6	42	0	63.1	11.08	6.11	0.28	.340	66.8%	46.0%	4.3%	4.41	3.96	4.38
2025	HOU	ST	23	0	0	0	2	0	1.0	0.00	9.00	0.00	.250	100.0%	50.0%	0.0%	0.00	6.73	10.27
2026	HOU	AA	24	5	5	5	46	0	51.0	11.82	5.12	0.53	.336	74.9%	46.7%	8.3%	3.53	3.96	4.58
2027	Steamer	PROJ	25	0	0	0	1	0	1.0	7.81	5.09	1.14	.296	71.5%	45.0%		4.74	4.92	4.81	0.0

Season	Team	Level	Age	W	L	SV	G	GS	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP	WAR
2019	BOS	R	17	1	1	0	13	6	50.0	7.92	3.42	0.36	.289	65.0%	51.5%	5.1%	3.60	4.07	3.97
2021	BOS	DSL	19	2	3	10	21	0	33.1	10.26	4.32	0.27	.277	84.1%	56.3%	5.6%	1.35	3.55	3.49
2022	BOS	CPX	20	1	0	4	13	0	23.1	11.96	3.09	0.00	.273	87.0%	52.3%	0.0%	1.16	2.58	3.08
2023	BOS	A	21	2	3	3	32	0	56.0	11.09	5.46	0.16	.322	65.8%	57.4%	3.8%	3.70	3.61	3.86
2024	HOU	A+	22	4	2	3	37	0	52.2	10.59	5.47	0.68	.308	77.2%	46.6%	9.1%	3.42	4.35	4.43
2024	HOU	AA	22	0	0	0	2	0	1.2	5.40	21.60	0.00	.200	50.0%	60.0%	0.0%	16.20	11.21	11.21
2024	HOU	MiLB	22	4	2	3	39	0	54.1	10.44	5.96	0.66	.304	75.2%	47.1%	9.1%	3.81	4.56	4.63
2025	HOU	A+	23	7	2	4	29	0	48.1	12.10	5.21	0.19	.339	67.5%	50.0%	3.3%	3.72	3.21	3.61
2025	HOU	AA	23	0	2	2	13	0	15.0	7.80	9.00	0.60	.341	65.5%	35.6%	6.3%	6.60	6.38	6.86
2025	HOU	MiLB	23	7	4	6	42	0	63.1	11.08	6.11	0.28	.340	66.8%	46.0%	4.3%	4.41	3.96	4.38
2025	HOU	ST	23	0	0	0	2	0	1.0	0.00	9.00	0.00	.250	100.0%	50.0%	0.0%	0.00	6.73	10.27
2026	HOU	AA	24	5	5	5	46	0	51.0	11.82	5.12	0.53	.336	74.9%	46.7%	8.3%	3.53	3.96	4.58
2027	Steamer	PROJ	25	0	0	0	1	0	1.0	7.81	5.09	1.14	.296	71.5%	45.0%		4.74	4.92	4.81	0.0

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	GS	QS	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2019	BOS	R	1	1	3.60	13	6		0	0	0	50.0	209	41	26	20	2	19	0	9	7	2	44
2021	BOS	DSL	2	3	1.35	21	0		10	1	1	33.1	141	24	8	5	1	16	1	3	10	0	38
2022	BOS	CPX	1	0	1.16	13	0		4	1	0	23.1	86	12	3	3	0	8	0	3	3	0	31
2023	BOS	A	2	3	3.70	32	0		3	2	1	56.0	256	48	31	23	1	34	0	6	10	2	69
2024	HOU	A+	4	2	3.42	37	0		3	0	1	52.2	234	44	23	20	4	32	1	6	10	0	62
2024	HOU	AA	0	0	16.20	2	0		0	0	0	1.2	11	1	3	3	0	4	0	1	0	0	1
2024	HOU	MiLB	4	2	3.81	39	0		3	0	1	54.1	245	45	26	23	4	36	1	7	10	0	63
2025	HOU	A+	7	2	3.72	29	0		4	2	3	48.1	220	41	26	20	1	28	0	8	8	3	65
2025	HOU	AA	0	2	6.60	13	0		2	1	0	15.0	77	16	13	11	1	15	0	4	5	0	13
2025	HOU	MiLB	7	4	4.41	42	0		6	3	3	63.1	297	57	39	31	2	43	0	12	13	3	78
2025	HOU	ST	0	0	0.00	2	0		0	0	0	1.0	5	1	0	0	0	1	0	0	0	0	0
2026	HOU	AA	5	5	3.53	46	0		5	7	5	51.0	225	43	23	20	3	29	0	7	5	0	67
2027	Steamer	PROJ	0	0	4.74	1	0	0	0	0		1.0	4	1	1	1	0	1	0	0			1

Season	Team	Level	W	L	ERA	G	GS	QS	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2019	BOS	R	1	1	3.60	13	6		0	0	0	50.0	209	41	26	20	2	19	0	9	7	2	44
2021	BOS	DSL	2	3	1.35	21	0		10	1	1	33.1	141	24	8	5	1	16	1	3	10	0	38
2022	BOS	CPX	1	0	1.16	13	0		4	1	0	23.1	86	12	3	3	0	8	0	3	3	0	31
2023	BOS	A	2	3	3.70	32	0		3	2	1	56.0	256	48	31	23	1	34	0	6	10	2	69
2024	HOU	A+	4	2	3.42	37	0		3	0	1	52.2	234	44	23	20	4	32	1	6	10	0	62
2024	HOU	AA	0	0	16.20	2	0		0	0	0	1.2	11	1	3	3	0	4	0	1	0	0	1
2024	HOU	MiLB	4	2	3.81	39	0		3	0	1	54.1	245	45	26	23	4	36	1	7	10	0	63
2025	HOU	A+	7	2	3.72	29	0		4	2	3	48.1	220	41	26	20	1	28	0	8	8	3	65
2025	HOU	AA	0	2	6.60	13	0		2	1	0	15.0	77	16	13	11	1	15	0	4	5	0	13
2025	HOU	MiLB	7	4	4.41	42	0		6	3	3	63.1	297	57	39	31	2	43	0	12	13	3	78
2025	HOU	ST	0	0	0.00	2	0		0	0	0	1.0	5	1	0	0	0	1	0	0	0	0	0
2026	HOU	AA	5	5	3.53	46	0		5	7	5	51.0	225	43	23	20	3	29	0	7	5	0	67
2027	Steamer	PROJ	0	0	4.74	1	0	0	0	0		1.0	4	1	1	1	0	1	0	0			1

Preseason 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
2019	BOS	R	7.92	3.42	2.32	0.36	21.1%	9.1%	12.0%	.227	1.20	.289	65.0%	86	98	4.07
2021	BOS	DSL	10.26	4.32	2.38	0.27	27.0%	11.3%	15.6%	.197	1.20	.277	84.1%	32	82	3.55
2022	BOS	CPX	11.96	3.09	3.88	0.00	36.0%	9.3%	26.7%	.160	0.86	.273	87.0%	24	58	2.58
2023	BOS	A	11.09	5.46	2.03	0.16	27.0%	13.3%	13.7%	.222	1.46	.322	65.8%	85	87	3.61
2024	HOU	A+	10.59	5.47	1.94	0.68	26.5%	13.7%	12.8%	.224	1.44	.308	77.2%	74	98	4.35
2024	HOU	AA	5.40	21.60	0.25	0.00	9.1%	36.4%	-27.3%	.167	3.00	.200	50.0%	404	273	11.21
2024	HOU	MiLB	10.44	5.96	1.75	0.66	25.7%	14.7%	11.0%	.223	1.49	.304	75.2%	85	104	4.56
2025	HOU	A+	12.10	5.21	2.32	0.19	29.5%	12.7%	16.8%	.223	1.43	.339	67.5%	85	76	3.21
2025	HOU	AA	7.80	9.00	0.87	0.60	16.9%	19.5%	-2.6%	.276	2.07	.341	65.5%	161	152	6.38
2025	HOU	MiLB	11.08	6.11	1.81	0.28	26.3%	14.5%	11.8%	.236	1.58	.340	66.8%	103	94	3.96
2025	HOU	ST	0.00	9.00	0.00	0.00	0.0%	20.0%	-20.0%	.250	2.00	.250	100.0%	0	139	6.73
2026	HOU	AA	11.82	5.12	2.31	0.53	29.8%	12.9%	16.9%	.228	1.41	.336	74.9%	72	79	3.96
2027	Steamer	PROJ	7.81	5.09	1.53	1.14	19.3%	12.6%	6.7%	.253	1.54	.296	71.5%			4.92

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2019	BOS	R	7.92	3.42	2.32	0.36	21.1%	9.1%	12.0%	.227	1.20	.289	65.0%	86	98	4.07
2021	BOS	DSL	10.26	4.32	2.38	0.27	27.0%	11.3%	15.6%	.197	1.20	.277	84.1%	32	82	3.55
2022	BOS	CPX	11.96	3.09	3.88	0.00	36.0%	9.3%	26.7%	.160	0.86	.273	87.0%	24	58	2.58
2023	BOS	A	11.09	5.46	2.03	0.16	27.0%	13.3%	13.7%	.222	1.46	.322	65.8%	85	87	3.61
2024	HOU	A+	10.59	5.47	1.94	0.68	26.5%	13.7%	12.8%	.224	1.44	.308	77.2%	74	98	4.35
2024	HOU	AA	5.40	21.60	0.25	0.00	9.1%	36.4%	-27.3%	.167	3.00	.200	50.0%	404	273	11.21
2024	HOU	MiLB	10.44	5.96	1.75	0.66	25.7%	14.7%	11.0%	.223	1.49	.304	75.2%	85	104	4.56
2025	HOU	A+	12.10	5.21	2.32	0.19	29.5%	12.7%	16.8%	.223	1.43	.339	67.5%	85	76	3.21
2025	HOU	AA	7.80	9.00	0.87	0.60	16.9%	19.5%	-2.6%	.276	2.07	.341	65.5%	161	152	6.38
2025	HOU	MiLB	11.08	6.11	1.81	0.28	26.3%	14.5%	11.8%	.236	1.58	.340	66.8%	103	94	3.96
2025	HOU	ST	0.00	9.00	0.00	0.00	0.0%	20.0%	-20.0%	.250	2.00	.250	100.0%	0	139	6.73
2026	HOU	AA	11.82	5.12	2.31	0.53	29.8%	12.9%	16.9%	.228	1.41	.336	74.9%	72	79	3.96
2027	Steamer	PROJ	7.81	5.09	1.53	1.14	19.3%	12.6%	6.7%	.253	1.54	.296	71.5%			4.92

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2019	BOS	R	1.77	19.4%	51.5%	29.1%	25.6%	5.1%	50.4%	20.4%	29.2%	95	3.97
2021	BOS	DSL	2.50	21.3%	56.3%	22.5%	16.7%	5.6%	42.9%	19.0%	38.1%	81	3.49
2022	BOS	CPX	1.77	18.2%	52.3%	29.5%	15.4%	0.0%	45.5%	25.0%	29.5%	70	3.08
2023	BOS	A	3.12	24.1%	57.4%	18.4%	19.2%	3.8%	36.1%	27.2%	36.7%	93	3.86
2024	HOU	A+	1.39	19.8%	46.6%	33.6%	25.0%	9.1%	36.8%	27.9%	35.3%	109	4.43
2024	HOU	AA	3.00	40.0%	60.0%	0.0%	0.0%	0.0%	80.0%	0.0%	20.0%	272	11.21
2024	HOU	MiLB	1.45	20.6%	47.1%	32.4%	25.0%	9.1%	38.3%	27.0%	34.8%	114	4.63
2025	HOU	A+	1.93	24.1%	50.0%	25.9%	26.7%	3.3%	43.7%	26.1%	30.3%	93	3.61
2025	HOU	AA	1.00	28.9%	35.6%	35.6%	12.5%	6.3%	35.6%	31.1%	33.3%	163	6.86
2025	HOU	MiLB	1.61	25.5%	46.0%	28.6%	21.7%	4.3%	41.5%	27.4%	31.1%	110	4.38
2025	HOU	ST	1.00	0.0%	50.0%	50.0%	50.0%	0.0%	25.0%	0.0%	75.0%	210	10.27
2026	HOU	AA	1.56	23.3%	46.7%	30.0%	38.9%	8.3%	37.7%	27.9%	34.4%	91	4.58
2027	Steamer	PROJ		20.7%	45.0%	34.3%							4.81

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2019	BOS	R	1.77	19.4%	51.5%	29.1%	25.6%	5.1%	50.4%	20.4%	29.2%	95	3.97
2021	BOS	DSL	2.50	21.3%	56.3%	22.5%	16.7%	5.6%	42.9%	19.0%	38.1%	81	3.49
2022	BOS	CPX	1.77	18.2%	52.3%	29.5%	15.4%	0.0%	45.5%	25.0%	29.5%	70	3.08
2023	BOS	A	3.12	24.1%	57.4%	18.4%	19.2%	3.8%	36.1%	27.2%	36.7%	93	3.86
2024	HOU	A+	1.39	19.8%	46.6%	33.6%	25.0%	9.1%	36.8%	27.9%	35.3%	109	4.43
2024	HOU	AA	3.00	40.0%	60.0%	0.0%	0.0%	0.0%	80.0%	0.0%	20.0%	272	11.21
2024	HOU	MiLB	1.45	20.6%	47.1%	32.4%	25.0%	9.1%	38.3%	27.0%	34.8%	114	4.63
2025	HOU	A+	1.93	24.1%	50.0%	25.9%	26.7%	3.3%	43.7%	26.1%	30.3%	93	3.61
2025	HOU	AA	1.00	28.9%	35.6%	35.6%	12.5%	6.3%	35.6%	31.1%	33.3%	163	6.86
2025	HOU	MiLB	1.61	25.5%	46.0%	28.6%	21.7%	4.3%	41.5%	27.4%	31.1%	110	4.38
2025	HOU	ST	1.00	0.0%	50.0%	50.0%	50.0%	0.0%	25.0%	0.0%	75.0%	210	10.27
2026	HOU	AA	1.56	23.3%	46.7%	30.0%	38.9%	8.3%	37.7%	27.9%	34.4%	91	4.58
2027	Steamer	PROJ		20.7%	45.0%	34.3%							4.81

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2019	BOS	R	69	39	26	10	100	272	372
2021	BOS	DSL	45	18	17	3	79	198	277
2022	BOS	CPX	23	13	8	2	39	137	176
2023	BOS	A	81	26	34	5	402	590	992
2024	HOU	A+	61	44	26	11	380	549	929
2024	HOU	AA	3	0	2	0	26	17	43
2024	HOU	MiLB	64	44	28	11	406	566	972
2025	HOU	A+	58	30	28	8	345	508	853
2025	HOU	AA	16	16	13	2	155	184	339
2025	HOU	MiLB	74	46	41	10	500	692	1192
2025	HOU	ST	2	2	0	1	10	9	19
2026	HOU	AA	56	36	28	14	391	569	960
2027	Steamer	PROJ	1	1	1

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2019	BOS	R	69	39	26	10	100	272	372
2021	BOS	DSL	45	18	17	3	79	198	277
2022	BOS	CPX	23	13	8	2	39	137	176
2023	BOS	A	81	26	34	5	402	590	992
2024	HOU	A+	61	44	26	11	380	549	929
2024	HOU	AA	3	0	2	0	26	17	43
2024	HOU	MiLB	64	44	28	11	406	566	972
2025	HOU	A+	58	30	28	8	345	508	853
2025	HOU	AA	16	16	13	2	155	184	339
2025	HOU	MiLB	74	46	41	10	500	692	1192
2025	HOU	ST	2	2	0	1	10	9	19
2026	HOU	AA	56	36	28	14	391	569	960
2027	Steamer	PROJ	1	1	1

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

Preseason ProjectionsMinor LeaguesSpring TrainingAverages

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2019	BOS	R	69.9%	52.7%	21.1%	33.1%	3.2%	36.3%
2021	BOS	DSL	66.4%	45.7%	25.5%	36.1%	5.1%	41.2%
2022	BOS	CPX	67.6%	38.7%	36.0%	41.5%	10.2%	51.7%
2023	BOS	A	42.0%	75.1%	46.1%	10.5%	17.0%	27.5%
2024	HOU	A+	41.1%	72.5%	42.3%	11.3%	17.9%	29.2%
2024	HOU	AA	23.3%	60.0%	27.3%	9.3%	16.3%	25.6%
2024	HOU	MiLB	40.3%	72.2%	41.6%	11.2%	17.8%	29.0%
2025	HOU	A+	43.1%	71.2%	43.6%	12.4%	16.1%	28.5%
2025	HOU	AA	34.2%	75.0%	45.5%	8.6%	19.8%	28.3%
2025	HOU	MiLB	40.6%	72.1%	44.1%	11.3%	17.1%	28.4%
2025	HOU	ST	31.6%	83.3%	20.0%	5.3%	15.8%	21.1%
2026	HOU	AA	41.7%	68.8%	46.7%	13.0%	17.6%	30.6%

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2019	BOS	R	69.9%	52.7%	21.1%	33.1%	3.2%	36.3%
2021	BOS	DSL	66.4%	45.7%	25.5%	36.1%	5.1%	41.2%
2022	BOS	CPX	67.6%	38.7%	36.0%	41.5%	10.2%	51.7%
2023	BOS	A	42.0%	75.1%	46.1%	10.5%	17.0%	27.5%
2024	HOU	A+	41.1%	72.5%	42.3%	11.3%	17.9%	29.2%
2024	HOU	AA	23.3%	60.0%	27.3%	9.3%	16.3%	25.6%
2024	HOU	MiLB	40.3%	72.2%	41.6%	11.2%	17.8%	29.0%
2025	HOU	A+	43.1%	71.2%	43.6%	12.4%	16.1%	28.5%
2025	HOU	AA	34.2%	75.0%	45.5%	8.6%	19.8%	28.3%
2025	HOU	MiLB	40.6%	72.1%	44.1%	11.3%	17.1%	28.4%
2025	HOU	ST	31.6%	83.3%	20.0%	5.3%	15.8%	21.1%
2026	HOU	AA	41.7%	68.8%	46.7%	13.0%	17.6%	30.6%

Preseason ProjectionsMinor LeaguesSpring Training

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2019	BOS	R	P	13	6	50.0	2	8	1	0
2021	BOS	DSL	P	21	0	33.1	1	4	0	0
2022	BOS	CPX	P	13	0	23.1	1	0	0	1
2023	BOS	A	P	32	0	56.0	2	9	2	1
2024	HOU	A+	P	37	0	52.2	2	7	1	0
2024	HOU	AA	P	2	0	1.2	0	0	0	0
2025	HOU	A+	P	29	0	48.1	4	7	1	0
2025	HOU	AA	P	13	0	15.0	0	1	0	0
2026	HOU	AA	P	46	0	51.0	0	5	0	1

Season	Team	Level	Pos	G	GS	Inn	PO	A	E	DP
2019	BOS	R	P	13	6	50.0	2	8	1	0
2021	BOS	DSL	P	21	0	33.1	1	4	0	0
2022	BOS	CPX	P	13	0	23.1	1	0	0	1
2023	BOS	A	P	32	0	56.0	2	9	2	1
2024	HOU	A+	P	37	0	52.2	2	7	1	0
2024	HOU	AA	P	2	0	1.2	0	0	0	0
2025	HOU	A+	P	29	0	48.1	4	7	1	0
2025	HOU	AA	P	13	0	15.0	0	1	0	0
2026	HOU	AA	P	46	0	51.0	0	5	0	1

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Fielding

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG