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Blas Castano

#63 - Relief Pitcher

Colorado Rockies

Bats / Throws Right / Right
Date of Birth 9/8/1998 (27)
Height, Weight 5'10", 162 lb
Hometown Espaillat, DOM

2026 Season Stats

Needs more playing time to qualify
MLB Rank MLB Average
Sv IP ERA WHIP K% BB%
0 2.1 3.86 1.29 30.0% 10.0%
125th 1
Sv
353rd 16.0
IP
170th 4.64
ERA
146th 1.45
WHIP
43rd 22.0%
K%
175th 10.7%
BB%
FB MPH SwStr% CSW% Str-ICR MTK% PLV PLA
94.0 17.8% 37.8% 64.4% 2.2% 4.56 5.62
134th 94.2
FB MPH
23rd 11.9%
SwStr%
8th 28.5%
CSW%
3rd 50.3%
Str-ICR
41st 4.5%
MTK%
335th 4.93
PLV
329th 3.70
PLA

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Blas Castano Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team G GS IP W-L Sv Hld ERA WHIP xERA FIP xFIP PLA K% BB% H/9 HR/9 BABIP HR/FB% LOB% ICR GB% SwStr% CSW% IPR PLV
2025 SEA 1 0 3.0 0-0 0 0 9.00 2.00 9.50 9.80 9.54 4.72 6.3% 12.5% 12.0 3.00 .273 20.0% 71.4% 50.0% 25.0% 2.0% 14.0% 0.04 4.47
2026 COL 1 0 2.1 0-0 0 0 3.86 1.29 3.57 7.86 3.82 5.62 30.0% 10.0% 7.7 3.86 .200 50.0% 100.0% 16.7% 50.0% 17.8% 37.8% 0.87 4.56
RP MLB Percentile 0 0 0 0-56 0 0 50 58 63 6 64 7 88 49 57 2 87 3 97 99 65 93 98 99 5
RP MLB AVG 13 1 16.0 1-1 1 2 4.64 1.45 4.39 4.38 4.39 3.70 22.0% 10.7% 8.7 1.06 .296 16.8% 71.6% 37.4% 44.7% 11.9% 28.5% 0.49 4.93
Career 2 0 5.1 0-0 0 0 6.75 1.69 6.90 8.74 7.01 5.11 15.4% 11.5% 10.1 3.38 .250 28.6% 83.3% 38.9% 33.3% 9.5% 25.3% 0.43 4.51

Blas Castano Repertoire

2025 2026 All
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Blas Castano Game Log

Blas Castano Standard

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Year Team G GS IP W-L QS Sv Hld P Strikes Balls TBF H 1B 2B 3B HR K BB HB WP
2025 SEA 1 0 3.0 0-0 0 0 0 50 31 19 16 4 1 2 0 1 1 2 1 0
2026 COL 1 0 2.1 0-0 0 0 0 45 31 14 10 2 1 0 0 1 3 1 0 0
RP MLB Percentile 0 0 0 0-56 0 0 0 0 0 100 0 98 97 88 21 46 3 96 53 45
RP MLB AVG 13 1 16.0 1-1 0 1 2 283 179 104 72 15 10 3 0 2 16 7 1 1
Career 2 0 5.1 0-0 0 0 0 95 62 33 26 6 2 2 0 2 4 3 1 0

Blas Castano Advanced

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Year Team K% BB% AVG SLG OPS wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA xERA
2025 SEA 6.3% 12.5% .308 .692 1.130 .470 .273 .333 .306 .482 .239 .467 91.4 91.2 19.3 9.50
2026 COL 30.0% 10.0% .222 .556 .856 .370 .200 .333 .138 .301 .048 .385 90.0 85.3 2.2 3.57
RP MLB Percentile 88 49 62 12 22 25 87 42 97 63 100 36 25 82 95 63
RP MLB AVG 22.0% 10.7% .244 .389 .722 .323 .296 .323 .237 .323 .283 .363 88.2 89.3 12.9 4.39
Career 15.4% 11.5% .273 .636 1.021 .438 .250 .333 .237 .419 .177 .447 90.9 89.5 13.6 6.90

Blas Castano Pitch › Mix

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Year Team FF% (MPH) SI% (MPH) FC% (MPH) SL% (MPH) ST% (MPH) CB% (MPH) CH% (MPH) FS% (MPH) KN% (MPH) Fastball% Secondary%
2025 SEA 10.0% (93.3) 6.0% (93.9) 40.0% (89.8) - 12.0% (82.1) - 32.0% (88.6) - - 16.0% 84.0%
2026 COL 13.3% (94.4) 40.0% (94.0) 20.0% (90.0) - 17.8% (83.2) - 8.9% (89.0) - - 53.3% 46.7%
RP MLB Percentile 12 (48) 81 (49) 55 (57) - 40 (59) - 23 (78) - - 68.3% 31.2%
RP MLB AVG 35.8% (94.2) 26.6% (93.9) 20.7% (89.2) 26.7% (85.5) 23.1% (82.5) 17.1% (80.6) 18.4% (86.1) 19.8% (86.3) 31.8% (68.1) 47.9% 52.0%
Career 11.6% (93.9) 22.1% (94.0) 30.5% (89.9) - 14.7% (-) - 21.1% (88.6) - - 33.7% 66.3%

Blas Castano Pitch › Results

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Year Team FF CSW% SI CSW% FC CSW% SL CSW% ST CSW% CB CSW% CH CSW% FS CSW% KN CSW% Fastball CSW% Secondary CSW%
2025 SEA 0.0% (0) 0.0% (0) 25.0% (0) - 16.7% (0) - 6.3% (1) - - 0.0% 16.7%
2026 COL 33.3% (0) 33.3% (3) 33.3% (1) - 50.0% (2) - 50.0% (2) - - 33.3% 42.9%
RP MLB Percentile 82 (0) 73 (48) 73 (73) - 99 (75) - 99 (21) - - 83.3% 98.6%
RP MLB AVG 26.6% (9) 27.8% (5) 27.5% (6) 30.1% (9) 27.7% (8) 27.0% (6) 22.2% (7) 26.1% (9) 23.3% (6) 28.0% 28.5%
Career 18.2% (0) 28.6% (3) 27.6% (1) - 35.7% (2) - 15.0% (3) - - 25.0% 25.4%

Blas Castano Batted Ball › Contact

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Year Team GB% LD% FB% PU% SS% Pull% Cent% Oppo% Foul Str% PC% Fl&B% Solid% Brl% ICR
2025 SEA 25.0% 33.3% 41.7% 0.0% 58.3% 41.7% 50.0% 8.3% 24.0% 50.0% 16.7% 8.3% 25.0% 50.0%
2026 COL 50.0% 16.7% 33.3% 0.0% 16.7% 50.0% 50.0% 0.0% 17.8% 83.3% 0.0% 0.0% 16.7% 16.7%
RP MLB Percentile 65 73 87 0 97 82 95 0 54 99 99 89 3 99
RP MLB AVG 44.7% 21.2% 24.1% 10.0% 34.0% 41.4% 33.9% 24.6% 17.5% 62.3% 24.3% 6.2% 7.3% 37.4%
Career 33.3% 27.8% 38.9% 0.0% 44.4% 44.4% 50.0% 5.6% 21.1% 61.1% 11.1% 5.6% 22.2% 38.9%

Blas Castano Batted Ball › Outcomes

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Year Team AVG wOBA BABIP BACON xAVG xwOBA xBABIP xwoBACON EV FB EV LA HR/FB ICR IPA%
2025 SEA .308 .470 .273 .333 .306 .482 .239 .467 91.4 91.2 19.3 20.0% 50.0% 37.5%
2026 COL .222 .370 .200 .333 .138 .301 .048 .385 90.0 85.3 2.2 50.0% 16.7% 10.0%
RP MLB Percentile 62 25 87 42 97 63 100 36 25 82 95 3 99 99
RP MLB AVG .244 .323 .296 .323 .237 .323 .283 .363 88.2 89.3 12.9 16.8% 37.4% 24.7%
Career .273 .438 .250 .333 .237 .419 .177 .447 90.9 89.5 13.6 28.6% 38.9% 26.9%

Blas Castano Approach › Plate Discipline

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Year Team Zone% Str% Swing% O-Sw% Whiff% Foul Str% Con% Z-Con% O-Con% CS% SwStr% CSW% BIP% PLUS% IPR Str-ICR
2025 SEA 56.0% 62.0% 50.0% 13.6% 4.0% 24.0% 96.0% 95.5% 100.0% 12.0% 2.0% 14.0% 24.0% 54.0% 0.04 38.0%
2026 COL 42.2% 68.9% 48.9% 38.5% 36.4% 17.8% 63.6% 83.3% 40.0% 20.0% 17.8% 37.8% 13.3% 64.4% 0.87 64.4%
RP MLB Percentile 31 94 71 93 94 54 94 56 94 86 93 98 10 97 99 99
RP MLB AVG 44.2% 63.0% 46.3% 30.6% 25.5% 17.5% 74.5% 83.8% 58.6% 16.6% 11.9% 28.5% 17.0% 57.5% 0.49 50.3%
Career 49.5% 65.3% 49.5% 27.1% 19.1% 21.1% 80.9% 91.2% 53.8% 15.8% 9.5% 25.3% 18.9% 58.9% 0.43 50.5%

Blas Castano Approach › Locations

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team Zone% aLoc% x-mLoc% gLoc% hiLoc% y-mLoc% loLoc% iLoc% oLoc% mmLoc%
2025 SEA 56.0% 36.0% 32.0% 32.0% 20.0% 40.0% 40.0% 32.0% 36.0% 16.0%
2026 COL 42.2% 31.1% 26.7% 42.2% 22.2% 28.9% 48.9% 40.0% 33.3% 11.1%
RP MLB Percentile 31 31 47 69 5 8 83 95 6 98
RP MLB AVG 44.2% 34.9% 26.7% 38.4% 36.2% 22.9% 41.0% 30.6% 42.7% 6.4%
Career 49.5% 33.7% 29.5% 36.8% 21.1% 34.7% 44.2% 35.8% 34.7% 13.7%

Blas Castano Approach › Counts

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Year Team Early% Behind% 2-Str% Early BIP% F-Str% TF-Str% ECS% 2-Str O-Sw% PAR%
2025 SEA 64.0% 10.0% 26.0% 28.1% 56.3% 37.5% 15.6% - 7.7%
2026 COL 53.3% 11.1% 35.6% 12.5% 72.7% 63.6% 25.0% 31.3% 18.8%
RP MLB Percentile 4 71 94 28 98 98 83 78 48
RP MLB AVG 58.6% 12.8% 29.2% 14.2% 60.0% 49.6% 21.1% 26.0% 19.3%
Career 58.9% 10.5% 30.5% 21.4% 63.0% 48.1% 19.6% 17.2% 13.8%

Blas Castano PLV

Hide 2026 MLB Percentile | Hide 2026 MLB Average
Year Team P PLV QP% AP% BP% Q-BP% MTK% HP HL PLA
2025 SEA 50 4.47 36.0% 28.0% 36.0% 0.0% 4.0% 2.8 +2 4.72
2026 COL 45 4.56 35.6% 31.1% 33.3% 2.2% 2.2% 0.0 -1 5.62
RP MLB Percentile 0 5 1 99 75 75 87 53 62 7
RP MLB AVG 283 4.93 46.2% 16.9% 37.0% 9.2% 4.5% 0.5 +0 3.70
Career 95 4.51 35.8% 29.5% 34.7% 1.1% 3.2% 2.8 +1 5.11
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