week 31
this weekHOLD
last weekNO CALL
Blas Castaño
data as of October 26, 2026·week 31
new call as of October 26, 2026
Hold · wait & see skill near league average (5.96); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 0ERA 3.70WHIP 1.24W 0–0SV 0
Castaño is a hold — average on the mound, nothing underneath the surface
ROS projects K 10 YTD → 0 ROS. Stable, rosterable; no clear edge to exploit either way.
Drivers
- xeraNOISEskill near league average (5.96)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed48.1%
lg avg 40.0% ▲+8.1%vs his norm —
79 / 50 BBE
Barrel % Allowed8.9%
lg avg 8.0% ▲+0.9%vs his norm —
79 / 60 BBE
xwOBA Allowed.367
lg avg .315 ▲+.052vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
111 / 200 TBF
xERA5.96
lg avg 4.10 ▲+1.86vs his norm —xERA is above the ~4.10 league average — expect it to fall.
111 / 200 TBF
ERA3.62
lg avg 4.10 ▼−0.48vs his norm —ERA is below the ~4.10 league average — expect it to rise.
27.3 / 200 IP
Strikeout %18.9%
lg avg 22.0% ▼−3.1%vs his norm —
111 / 70 TBF
Walk %8.1%
lg avg 8.0% ▲+0.1%vs his norm —Walk % is above the ~8.0% league average — expect it to fall.
111 / 170 TBF
BABIP Against.307
lg avg .295 ▲+.012vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
79 / 800 BIP
Swinging-Strike %8.7%
lg avg 11.0% ▼−2.3%vs his norm —
111 / 60 TBF
Chase %28.7%
lg avg 28.5% ▲+0.2%vs his norm —
111 / 60 TBF
Fastball Velo94.5 mph
lg avg 94.0 mph ▲+0.5 mphvs his norm —
460 / 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% 18.9%→19.9%signal0 K — K% 18.9% (signal) lifted to RP mean ~24.0% → projected 19.9% over ~0 remaining IP.
xERA 5.96noise3.70 ERA — xERA 5.96 (noise) blended 0% skill / 100% league 3.70 at 11 IP.
BB% 8.1% + contactnoise1.24 WHIP — a 8% walk rate plus BABIP-against 0.296 gives a 1.41 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.