
week 31
this weekSELL
last weekHOLD
Kumar Rocker
data as of October 26, 2026·week 31
flipped from HOLD on October 26, 2026
Sell stable xERA 4.48 +0.38 vs league with no luck excuse; move on.med 0.66 (narrative held for review)
ROSK 0ERA 4.35WHIP 1.38W 0–0SV 0
Rocker is a sell — the expected ERA is climbing, not falling.
Stable skill below league and not unlucky. Sell.
VS His Norm
- Strikeout %21.4%—+1.8% ▲vs his ~19.6% career norm
- Walk %9.5%—+0.2% ▲vs his ~9.3% career norm
Drivers
- xeraSIGNALstable xERA 4.48 +0.38 vs league with no luck excuse
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed40.0%
lg avg 40.0% 0.0%vs his norm —
442 / 50 BBE
Barrel % Allowed7.5%
lg avg 8.0% ▼−0.5%vs his norm —
442 / 60 BBE
xwOBA Allowed.324
lg avg .315 ▲+.009vs his norm —
645 / 200 TBF
xERA4.48
lg avg 4.10 ▲+0.38vs his norm —
645 / 200 TBF
ERA4.38
lg avg 4.10 ▲+0.28vs his norm —ERA is above the ~4.10 league average — expect it to fall.
148 / 200 IP
Strikeout %21.4%
lg avg 22.0% ▼−0.6%vs his norm +1.8% ▲
645 / 70 TBF
Walk %9.5%
lg avg 8.0% ▲+1.5%vs his norm +0.2% ▲
645 / 170 TBF
BABIP Against.301
lg avg .295 ▲+.006vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
442 / 800 BIP
Swinging-Strike %12.5%
lg avg 11.0% ▲+1.5%vs his norm —
645 / 60 TBF
Chase %31.4%
lg avg 28.5% ▲+2.9%vs his norm —
645 / 60 TBF
Fastball Velo94.5 mph
lg avg 94.0 mph ▲+0.5 mphvs his norm —
2496 / 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% 21.4%→21.0%signal0 K — K% 21.4% (signal) tempered to career ~19.6% → projected 21.0% over ~0 remaining IP.
xERA 4.48signal4.35 ERA — xERA 4.48 (signal) blended 65% skill / 35% league 4.10 at 56 IP.
BB% 9.5% + contactsignal1.38 WHIP — a 10% walk rate plus BABIP-against 0.298 gives a 1.43 skill WHIP, blended 6…
run support + role0-0 W — wins ride run support and how deep he goes, not just skill.
role (starter)0 SV — role: starter, not in the save mix.
rosterdrop0 K ROS, 4.35 ERA
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.