Colorado Rockies

Blas Castano

Relief Pitcher#63

Key facts

Age: 28
Height: 1.78 m
Weight: 73 kg
Number: #63
Born: 8/9/1998
Birthplace: Esperanza, Dominican Republic
Debut: 2025
Position: Relief Pitcher
Experience: 2nd Season

Official profile

ESPN player page ↗

Career stats

pitching

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	GP	W	W%	WAR	ERA	WHIP	IP	K	BB	K/BB	H	R	ER
2025 SEA	1	0	.000	-0.1	9.00	2.00	3.0	1	2	0.5	4	3	3
2026 COL	15	2	1.000	0.7	3.62	1.32	27.1	21	9	2.3	27	12	11
Career	16	2	1.000	--	4.15	1.38	30.1	22	11	2.0	31	15	14

Opponent Batting

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	P	TBF	P-TBF	OBA	OOBP	OSLUG	OOPS	2B	3B	HR	TB	RBI	BH	SF
2025 SEA	50	16	3.125	.308	.438	.692	1.130	2	0	1	9	3	1	0
2026 COL	460	111	4.144	.273	.342	.465	.807	3	2	4	46	15	2	1
Career	510	127	4.016	.277	.354	.491	.845	5	2	5	55	18	3	1

Expanded Pitching

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	P/I	K/9	GB	FB	G/F	IR	IRS	SB	CS
2025 SEA	16.7	3.0	3	9	0.3	0	0	1	0
2026 COL	16.8	6.9	35	44	0.8	8	3	4	1
Career	16.8	6.5	38	53	0.7	8	3	5	1

Compare CastanoStack them up against anyone, with an analyst verdict

Every game we hold

Includes finals, playoffs and exhibition games, so totals run higher than regular-season figures.

Season
2026 MLBColorado Rockies	15	0	0	0	0	0	0	0	21	9	27	11	0	4	27.3	82	460	12	299
2025 MLBSeattle Mariners	1	–	–	–	–	–	–	–	1	2	4	3	–	1	3	9	50	3	31
Career2 seasons	16	0	0	0	0	0	0	0	22	11	31	14	0	5	30.3	91	510	15	330

Game log, 2026 MLB

Game
15 Sept v San Diego PadresL 7-8 15 Sept	–	–	–	–	–	–	–	2	1	0	0	–	0	1.3	4	21	0	13
12 Sept @ Detroit TigersL 2-6 12 Sept	–	–	–	–	–	–	–	0	1	1	1	–	0	2	6	34	1	22
9 Sept @ New York YankeesL 3-5 9 Sept	–	–	–	–	–	–	–	1	0	1	0	–	0	1	3	16	0	9
7 Sept v St. Louis CardinalsL 8-10 7 Sept	–	–	–	–	–	–	–	0	1	0	0	–	0	1.3	4	21	0	12
3 Sept v Baltimore OriolesW 6-5 3 Sept	0	0	0	0	0	0	0	1	0	3	1	0	0	1	3	25	2	18
Rd 24 @ Chicago CubsW 5-2 17 June	–	–	–	–	–	–	–	1	0	0	0	–	0	1.3	4	16	0	10
Rd 24 @ AthleticsW 23-9 15 June	–	–	–	–	–	–	–	0	0	2	1	–	1	1	3	20	1	15
Rd 24 v Chicago CubsL 3-9 12 June	–	–	–	–	–	–	–	2	0	5	2	–	1	2.7	8	46	2	31
Rd 23 v Milwaukee BrewersL 1-7 7 June	–	–	–	–	–	–	–	2	2	3	0	–	0	2.7	8	46	0	28
Rd 22 @ Los Angeles AngelsW 8-2 3 June	–	–	–	–	–	–	–	2	0	0	0	–	0	2	6	29	0	20
Rd 22 v San Francisco GiantsW 8-3 31 May	–	–	–	–	–	–	–	2	0	4	3	–	1	2	6	45	3	31
Rd 21 @ Los Angeles DodgersL 1-4 28 May	–	–	–	–	–	–	–	1	0	0	0	–	0	1	3	10	0	7
Rd 21 @ Arizona DiamondbacksL 1-9 25 May	–	–	–	–	–	–	–	3	0	4	1	–	0	3.7	11	45	1	28
Rd 21 @ Arizona DiamondbacksL 1-2 22 May	–	–	–	–	–	–	–	1	3	2	1	–	0	2	6	41	1	24
Rd 20 v Arizona DiamondbacksL 6-8 18 May	–	–	–	–	–	–	–	3	1	2	1	–	1	2.3	7	45	1	31

Recent games

Sept '2615
v San Diego Padres
1.1 IP · 1 BB · 2 K · 2 GB · 21 P
L 8-7
Sept '2612
@ Detroit Tigers
2.0 IP · 1 H · 1 R · 1 ER · 1 BB
L 6-2
Sept '269
@ New York Yankees
1.0 IP · 1 H · 1 K · 2 FB · 16 P
L 5-3
Sept '267
v St. Louis Cardinals
1.1 IP · 1 BB · 2 GB · 1 FB · 21 P
L 10-8
Sept '263
v Baltimore Orioles
1.0 IP · 3 H · 2 R · 1 ER · 1 K
W 6-5 F/11
June '2617
@ Chicago Cubs
1.1 IP · 1 K · 3 GB · 16 P · 4 TBF
W 5-2
June '2615
@ Athletics
1.0 IP · 2 H · 1 R · 1 ER · 1 HR
W 23-9
June '2612
v Chicago Cubs
2.2 IP · 5 H · 2 R · 2 ER · 1 HR
L 9-3

Stats from official league and public sports feeds. Updated hourly.

Splits, MLB

Split
AwayHome or away · won 3 of 8	8	–	–	–	–	–	–	–	1.1	0.5	1.3	0.5	–	0.1	1.8	5.3	26.4	0.5	16.9
HomeHome or away · won 2 of 8	8	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.6	0.9	2.6	1.3	0.0	0.5	2.0	6.1	37.4	1.4	24.4
LossesResult	11	–	–	–	–	–	–	–	1.5	1.0	2.0	0.8	–	0.3	2.1	6.3	34.1	0.8	21.5
WinsResult	5	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.2	0.0	1.8	1.0	0.0	0.4	1.5	4.4	27.0	1.2	18.8
Regular seasonStage · won 5 of 16	16	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.4	0.7	1.9	0.9	0.0	0.3	1.9	5.7	31.9	0.9	20.6
Arizona DiamondbacksOpponent · won 0 of 3	3	–	–	–	–	–	–	–	2.3	1.3	2.7	1.0	–	0.3	2.7	8.0	43.7	1.0	27.7
Chicago CubsOpponent · won 1 of 2	2	–	–	–	–	–	–	–	1.5	0.0	2.5	1.0	–	0.5	2.0	6.0	31.0	1.0	20.5
AthleticsOpponent · won 1 of 1	1	–	–	–	–	–	–	–	0.0	0.0	2.0	1.0	–	1.0	1.0	3.0	20.0	1.0	15.0
Baltimore OriolesOpponent · won 1 of 1	1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.0	0.0	3.0	1.0	0.0	0.0	1.0	3.0	25.0	2.0	18.0
Detroit TigersOpponent · won 0 of 1	1	–	–	–	–	–	–	–	0.0	1.0	1.0	1.0	–	0.0	2.0	6.0	34.0	1.0	22.0
Los Angeles AngelsOpponent · won 1 of 1	1	–	–	–	–	–	–	–	2.0	0.0	0.0	0.0	–	0.0	2.0	6.0	29.0	0.0	20.0
Los Angeles DodgersOpponent · won 0 of 1	1	–	–	–	–	–	–	–	1.0	0.0	0.0	0.0	–	0.0	1.0	3.0	10.0	0.0	7.0
Milwaukee BrewersOpponent · won 0 of 1	1	–	–	–	–	–	–	–	2.0	2.0	3.0	0.0	–	0.0	2.7	8.0	46.0	0.0	28.0
New York YankeesOpponent · won 0 of 1	1	–	–	–	–	–	–	–	1.0	0.0	1.0	0.0	–	0.0	1.0	3.0	16.0	0.0	9.0
San Diego PadresOpponent · won 0 of 1	1	–	–	–	–	–	–	–	2.0	1.0	0.0	0.0	–	0.0	1.3	4.0	21.0	0.0	13.0
San Francisco GiantsOpponent · won 1 of 1	1	–	–	–	–	–	–	–	2.0	0.0	4.0	3.0	–	1.0	2.0	6.0	45.0	3.0	31.0
St. Louis CardinalsOpponent · won 0 of 1	1	–	–	–	–	–	–	–	0.0	1.0	0.0	0.0	–	0.0	1.3	4.0	21.0	0.0	12.0
Washington NationalsOpponent · won 0 of 1	1	–	–	–	–	–	–	–	1.0	2.0	4.0	3.0	–	1.0	3.0	9.0	50.0	3.0	31.0
Coors Field, DenverGround · won 2 of 7	7	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.7	0.7	2.4	1.0	0.0	0.4	1.9	5.7	35.6	1.1	23.4
Chase Field, PhoenixGround · won 0 of 2	2	–	–	–	–	–	–	–	2.0	1.5	3.0	1.0	–	0.0	2.8	8.5	43.0	1.0	26.0
Angel Stadium, AnaheimGround · won 1 of 1	1	–	–	–	–	–	–	–	2.0	0.0	0.0	0.0	–	0.0	2.0	6.0	29.0	0.0	20.0
Comerica Park, DetroitGround · won 0 of 1	1	–	–	–	–	–	–	–	0.0	1.0	1.0	1.0	–	0.0	2.0	6.0	34.0	1.0	22.0
Dodger Stadium, Los AngelesGround · won 0 of 1	1	–	–	–	–	–	–	–	1.0	0.0	0.0	0.0	–	0.0	1.0	3.0	10.0	0.0	7.0
Las Vegas BallparkGround · won 1 of 1	1	–	–	–	–	–	–	–	0.0	0.0	2.0	1.0	–	1.0	1.0	3.0	20.0	1.0	15.0
T-Mobile Park, SeattleGround · won 0 of 1	1	–	–	–	–	–	–	–	1.0	2.0	4.0	3.0	–	1.0	3.0	9.0	50.0	3.0	31.0
Wrigley Field, ChicagoGround · won 1 of 1	1	–	–	–	–	–	–	–	1.0	0.0	0.0	0.0	–	0.0	1.3	4.0	16.0	0.0	10.0
Yankee Stadium, BronxGround · won 0 of 1	1	–	–	–	–	–	–	–	1.0	0.0	1.0	0.0	–	0.0	1.0	3.0	16.0	0.0	9.0