Blas Castaño

Position: Pitcher

Bats: Right • Throws: Right

5-10, 162lb (178cm, 73kg)

Team: Colorado Rockies (majors, 15-day IL)

Born: September 8, 1998 in Espaillat do

Rookie Status: Still Intact through 2026

2026 Contract Status: Pre-Arb Eligible

Service Time (01/2026): 0.007 • Arb Eligible: 2029 • Free Agent: 2032

Agents: The MAS+ Agency

Full Name: Blas Castano

Pronunciation: \BLASS cah-stah-no\

Instagram: @bladimir_castano

View Player Info from the B-R Bullpen

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SUMMARY

2026

Career

WAR

0.4

0.3

ERA

3.92

4.56

20.2

23.2

WHIP

1.355

1.437

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Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
2018	19	0.6	Yankees	DOSL	FRk	NYY	1	5	.167	5.40	6.75	11	7	1	0	0	0	40.0	44	30	24	2	20	0	30	4	1	12	189	1.600	9.9	0.5	4.5	6.8	1.50
2019	20		2 Teams	2 Lgs	Rk-FRk	NYY	2	5	.286	4.05	5.00	14	10	0	0	0	0	66.2	80	37	30	7	14	0	41	8	2	3	294	1.410	10.8	0.9	1.9	5.5	2.93
2019	20	-0.3	Yankees West	GULF	Rk	NYY	2	5	.286	4.67	5.37	11	7	0	0	0	0	52.0	67	31	27	6	11	0	30	5	2	2	233	1.500	11.6	1.0	1.9	5.2	2.73
2019	20	1.7	Yankees	DOSL	FRk	NYY	0	0		1.84	3.68	3	3	0	0	0	0	14.2	13	6	3	1	3	0	11	3	0	1	61	1.091	8.0	0.6	1.8	6.8	3.67

2021	22		2 Teams	2 Lgs	A-Rk	NYY	6	2	.750	4.17	4.57	10	8	0	0	0	0	45.1	48	23	21	2	10	0	55	3	3	0	191	1.279	9.5	0.4	2.0	10.9	5.50
2021	22	0.1	Tampa	LASE	A	NYY	6	1	.857	4.23	4.70	8	7	0	0	0	0	38.1	44	20	18	2	8	0	43	2	3	0	165	1.357	10.3	0.5	1.9	10.1	5.38
2021	22	1.2	Yankees	FCL	Rk	NYY	0	1	.000	3.86	3.86	2	1	0	0	0	0	7.0	4	3	3	0	2	0	12	1	0	0	26	0.857	5.1	0.0	2.6	15.4	6.00
2022	23		2 Teams	2 Lgs	A+-AA	NYY	5	9	.357	3.86	4.78	22	21	0	1	0	0	107.1	106	57	46	12	34	0	103	13	5	3	465	1.304	8.9	1.0	2.9	8.6	3.03
2022	23	-1.5	Somerset	EL	AA	NYY	0	1	.000	27.00	48.60	1	1	0	0	0	0	1.2	7	9	5	4	1	0	2	0	0	0	14	4.800	37.8	21.6	5.4	10.8	2.00
2022	23	0.0	Hudson Valley	SALL	A+	NYY	5	8	.385	3.49	4.09	21	20	0	1	0	0	105.2	99	48	41	8	33	0	101	13	5	3	451	1.249	8.4	0.7	2.8	8.6	3.06
2023	24		3 Teams	3 Lgs	AA-AAA	SEA	5	6	.455	4.37	5.06	26	11	4	0	0	0	78.1	71	44	38	8	35	0	75	10	10	5	336	1.353	8.2	0.9	4.0	8.6	2.14
2023	24	-2.9	Scranton/Wilkes-Barre	IL	AAA	NYY	0	0		0.00	0.00	2	0	1	0	0	0	3.2	2	0	0	0	0	0	3	2	0	0	15	0.545	4.9	0.0	0.0	7.4
2023	24	-0.4	Somerset	EL	AA	NYY	4	3	.571	4.76	5.96	17	5	3	0	0	0	45.1	37	30	24	4	25	0	42	7	10	3	200	1.368	7.3	0.8	5.0	8.3	1.68
2023	24	-0.6	Arkansas	TL	AA	SEA	1	3	.250	4.30	4.30	7	6	0	0	0	0	29.1	32	14	14	4	10	0	30	1	0	2	121	1.432	9.8	1.2	3.1	9.2	3.00
2023-24	24	-6.0	Gigantes	DOWL	FgW		1	0	1.000	3.12	4.15	6	0	0	0	0	0	8.2	11	4	3	0	1	0	5	2	0	0	39	1.385	11.4	0.0	1.0	5.2	5.00
2024	25		2 Teams	2 Lgs	AAA-AA	SEA	5	8	.385	4.38	5.10	29	26	0	0	0	0	125.1	129	71	61	15	43	0	108	10	6	3	540	1.372	9.3	1.1	3.1	7.8	2.51
2024	25	-2.5	Tacoma	PCL	AAA	SEA	5	4	.556	5.13	5.62	14	14	0	0	0	0	73.2	79	46	42	13	24	0	74	6	2	2	317	1.398	9.7	1.6	2.9	9.0	3.08
2024	25	0.7	Arkansas	TL	AA	SEA	0	4	.000	3.31	4.35	15	12	0	0	0	0	51.2	50	25	19	2	19	0	34	4	4	1	223	1.335	8.7	0.3	3.3	5.9	1.79
2025	26	-1.1	Tacoma	PCL	AAA	SEA	8	6	.571	5.19	5.40	29	24	1	0	0	0	126.2	125	76	73	14	51	0	97	13	3	3	546	1.389	8.9	1.0	3.6	6.9	1.90
2025	26	-3.2	SEA	AL	Maj	SEA	0	0		9.00	9.00	1	0	1	0	0	0	3.0	4	3	3	1	2	0	1	1	0	0	16	2.000	12.0	3.0	6.0	3.0	0.50
2026	27		2 Teams	PCL	AAA	COL-SEA	5	1	.833	1.10	1.10	13	0	5	0	0	0	16.1	8	2	2	1	7	0	12	0	1	0	60	0.918	4.4	0.6	3.9	6.6	1.71
2026	27	-0.7	Tacoma	PCL	AAA	SEA	3	1	.750	1.42	1.42	6	0	2	0	0	0	6.1	2	1	1	0	1	0	4	0	0	0	21	0.474	2.8	0.0	1.4	5.7	4.00
2026	27	-0.7	Albuquerque	PCL	AAA	COL	2	0	1.000	0.90	0.90	7	0	3	0	0	0	10.0	6	1	1	1	6	0	8	0	1	0	39	1.200	5.4	0.9	5.4	7.2	1.33
2026	27	-2.3	COL	NL	Maj	COL	1	0	1.000	3.92	3.92	10	0	2	0	0	0	20.2	22	9	9	4	6	0	17	2	0	0	85	1.355	9.6	1.7	2.6	7.4	2.83
Year	Age	AgeDif	Tm	Lg	Lev	Aff	W	L	W-L%	ERA	RA9	G	GS	GF	CG	SHO	SV	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF	WHIP	H9	HR9	BB9	SO9	SO/W
Majors (2 seasons)					Majors		1	0	1.000	4.56	4.56	11	0	3	0	0	0	23.2	26	12	12	5	8	0	18	3	0	0	101	1.437	9.9	1.9	3.0	6.8	2.25
Minors (8 seasons)					Minors		37	42	.468	4.38	5.05	154	107	11	1	0	0	606.0	611	340	295	61	214	0	521	61	31	29	2621	1.361	9.1	0.9	3.2	7.7	2.43
Foreign (1 season)					Foreign		1	0	1.000	3.12	4.15	6	0	0	0	0	0	8.2	11	4	3	0	1	0	5	2	0	0	39	1.385	11.4	0.0	1.0	5.2	5.00
All Levels (8 Seasons)							39	42	.481	4.37	5.02	171	107	14	1	0	0	638.1	648	356	310	66	223	0	544	66	31	29	2761	1.364	9.1	0.9	3.1	7.7	2.44

AAA (4 seasons)					Minors		18	11	.621	4.78	5.07	58	38	7	0	0	0	220.1	214	124	117	28	82	0	186	21	6	5	938	1.343	8.7	1.1	3.3	7.6	2.27
AA (3 seasons)					Minors		5	11	.313	4.36	5.48	40	24	3	0	0	0	128.0	126	78	62	14	55	0	108	12	14	6	558	1.414	8.9	1.0	3.9	7.6	1.96
A+ (1 season)					Minors		5	8	.385	3.49	4.09	21	20	0	1	0	0	105.2	99	48	41	8	33	0	101	13	5	3	451	1.249	8.4	0.7	2.8	8.6	3.06
A (1 season)					Minors		6	1	.857	4.23	4.70	8	7	0	0	0	0	38.1	44	20	18	2	8	0	43	2	3	0	165	1.357	10.3	0.5	1.9	10.1	5.38
Rk (2 seasons)					Minors		2	6	.250	4.58	5.19	13	8	0	0	0	0	59.0	71	34	30	6	13	0	42	6	2	2	259	1.424	10.8	0.9	2.0	6.4	3.23
FRk (2 seasons)					Minors		1	5	.167	4.45	5.93	14	10	1	0	0	0	54.2	57	36	27	3	23	0	41	7	1	13	250	1.463	9.4	0.5	3.8	6.8	1.78