
week 17
this weekHOLD
last weekNO CALL
Blas Castaño
data as of July 18, 2026·week 17
ON THE 15-DAY IL
new call
Hold · wait & see skill near league average (5.84); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 25ERA 3.70WHIP 1.24W 0–0SV 0
Castaño is a hold — limited data, near league skill.
ROS projects K 10 YTD → 25 ROS. Stable, rosterable; no clear edge to exploit either way.
Drivers
- xeraNOISEskill near league average (5.84)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed50.0%
lg avg 40.0% ▲+10.0%vs his norm —
60 / 50 BBE
Barrel % Allowed10.0%
lg avg 8.0% ▲+2.0%vs his norm —
60 / 60 BBE
xwOBA Allowed.367
lg avg .315 ▲+.052vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
85 / 200 TBF
xERA5.84
lg avg 4.10 ▲+1.74vs his norm —xERA is above the ~4.10 league average — expect it to fall.
85 / 200 TBF
ERA3.92
lg avg 4.10 ▼−0.18vs his norm —ERA is below the ~4.10 league average — expect it to rise.
20.7 / 200 IP
Strikeout %20.0%
lg avg 22.0% ▼−2.0%vs his norm —
85 / 70 TBF
Walk %7.1%
lg avg 8.0% ▼−0.9%vs his norm —Walk % is below the ~8.0% league average — expect it to rise.
85 / 170 TBF
BABIP Against.321
lg avg .295 ▲+.026vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
60 / 800 BIP
Swinging-Strike %9.0%
lg avg 11.0% ▼−2.0%vs his norm —
85 / 60 TBF
Chase %28.1%
lg avg 28.5% ▼−0.4%vs his norm —
85 / 60 TBF
Fastball Velo94.5 mph
lg avg 94.0 mph ▲+0.5 mphvs his norm —
343 / 50 PITCHES
5×5 ROS Outlook
rest of seasonWhere each category goes the rest of the way, and the skill that drives it. Tap a row to expand the full derivation.
statytdrosdriverconf
K% 20.0%→20.8%signal25 K — K% 20.0% (signal) lifted to RP mean ~24.0% → projected 20.8% over ~27 remaining IP.
xERA 5.84noise3.70 ERA — xERA 5.84 (noise) blended 0% skill / 100% league 3.70 at 11 IP.
BB% 7.1% + contactnoise1.24 WHIP — a 7% walk rate plus BABIP-against 0.297 gives a 1.34 skill WHIP, blended 0%…
run support + role0-0 W — wins ride run support and how deep he goes, not just skill.
role (middle)0 SV — role: middle, not in the save mix.
rosterdeep3.70 ERA, 1.24 WHIP
Every projection traces to a sabermetric input. The driver and confidence shown per row are always visible; tap any row to expand the full derivation.