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Walin Castillo

MIA · Low-A · Age 21 · 50.0 IP
RHP Low-A MIA
19.9
TiltValue (ProspectTilt Composite)
Walin Castillo is a 21-year-old RHP in the MIA organization, currently at the Low-A level. Across 50.0 innings, Walin has posted a 3.42 ERA with a 4.74 xFIP and 1.48 WHIP. The strikeout rate sits at 20.1% against a 11.9% walk rate, a 8.2% K-BB% and 9.8% swinging-strike rate.
On the Statcast side, the fastball averages 89.8 mph (topping at 97.7) with +6.7" of induced vertical break and a -6.02° vertical approach angle.
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Core Metrics
ERA
3.42
xFIP
4.74
K%
20.1
BB%
11.9
Command & Stuff
WHIP
1.48
K-BB%
8.2
SwStr%
9.8
IP
50.0
Statcast Fastball Profile
Velo
89.8
Max
97.7
IVB
+6.7"
VAA
-6.02°
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Data via ProspectTilt PitchIQ — live MiLB Statcast analytics.
Stats current as of June 17, 2026. Updated nightly.
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