week 31
this weekHOLD
last weekHOLD
Cesar Perdomo
data as of October 26, 2026·week 31
Hold · wait & see strikeout rate 14% is stable and well below league, limits the ceiling — skill near league average (4.48); 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
Perdomo is a hold — league-average arms, no edge either way
ROS projects K 4 YTD → 0 ROS. Stable, rosterable; no clear edge to exploit either way.
Drivers
- xeraNOISEskill near league average (4.48)
- p_k_pctSIGNALstrikeout rate 14% is stable and well below league — limits the ceiling
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed42.2%
lg avg 40.0% ▲+2.2%vs his norm —
83 / 50 BBE
Barrel % Allowed7.2%
lg avg 8.0% ▼−0.8%vs his norm —
83 / 60 BBE
xwOBA Allowed.324
lg avg .315 ▲+.009vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
104 / 200 TBF
xERA4.48
lg avg 4.10 ▲+0.38vs his norm —xERA is above the ~4.10 league average — expect it to fall.
104 / 200 TBF
ERA3.65
lg avg 4.10 ▼−0.45vs his norm —ERA is below the ~4.10 league average — expect it to rise.
24.7 / 200 IP
Strikeout %13.5%
lg avg 22.0% ▼−8.5%vs his norm —
104 / 70 TBF
Walk %6.7%
lg avg 8.0% ▼−1.3%vs his norm —Walk % is below the ~8.0% league average — expect it to rise.
104 / 170 TBF
BABIP Against.291
lg avg .295 ▼−.004vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
83 / 800 BIP
Swinging-Strike %9.9%
lg avg 11.0% ▼−1.1%vs his norm —
104 / 60 TBF
Chase %27.9%
lg avg 28.5% ▼−0.6%vs his norm —
104 / 60 TBF
Fastball Velo93.0 mph
lg avg 94.0 mph ▼−1.0 mphvs his norm —
375 / 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% 13.5%→15.6%signal0 K — K% 13.5% (signal) lifted to RP mean ~24.0% → projected 15.6% over ~0 remaining IP.
xERA 4.48noise3.70 ERA — xERA 4.48 (noise) blended 0% skill / 100% league 3.70 at 4 IP.
BB% 6.7% + contactnoise1.24 WHIP — a 7% walk rate plus BABIP-against 0.295 gives a 1.44 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.