
week 17
this weekSELL
last weekHOLD
Kumar Rocker
data as of July 18, 2026·week 17
flipped from HOLD on July 18, 2026
Sell stable xERA 4.70 +0.60 vs league with no luck excuse; move on.med 0.73 (narrative held for review)
ROSK 43ERA 4.49WHIP 1.36W 1–3SV 0
Rocker is a sell — his xERA is climbing, no luck excuse.
Stable skill below league and not unlucky. Sell.
VS His Norm
- Strikeout %20.5%—+0.9% ▲vs his ~19.6% career norm
- Walk %8.7%—−0.6% ▼vs his ~9.3% career norm
Drivers
- xeraSIGNALstable xERA 4.70 +0.60 vs league with no luck excuse
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed43.2%
lg avg 40.0% ▲+3.2%vs his norm —
273 / 50 BBE
Barrel % Allowed7.7%
lg avg 8.0% ▼−0.3%vs his norm —
273 / 60 BBE
xwOBA Allowed.334
lg avg .315 ▲+.019vs his norm —
390 / 200 TBF
xERA4.70
lg avg 4.10 ▲+0.60vs his norm —
390 / 200 TBF
ERA4.40
lg avg 4.10 ▲+0.30vs his norm —ERA is above the ~4.10 league average — expect it to fall.
90 / 200 IP
Strikeout %20.5%
lg avg 22.0% ▼−1.5%vs his norm +0.9% ▲
390 / 70 TBF
Walk %8.7%
lg avg 8.0% ▲+0.7%vs his norm −0.6% ▼
390 / 170 TBF
BABIP Against.295
lg avg .295 .000vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
273 / 800 BIP
Swinging-Strike %12.1%
lg avg 11.0% ▲+1.1%vs his norm —
390 / 60 TBF
Chase %30.9%
lg avg 28.5% ▲+2.4%vs his norm —
390 / 60 TBF
Fastball Velo94.4 mph
lg avg 94.0 mph ▲+0.4 mphvs his norm —
1523 / 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% 20.5%→20.2%signal43 K — K% 20.5% (signal) tempered to career ~19.6% → projected 20.2% over ~55 remaining…
xERA 4.70signal4.49 ERA — xERA 4.70 (signal) blended 65% skill / 35% league 4.10 at 56 IP.
BB% 8.7% + contactsignal1.36 WHIP — a 9% walk rate plus BABIP-against 0.295 gives a 1.40 skill WHIP, blended 65…
run support + role1-3 W — wins ride run support and how deep he goes, not just skill.
role (starter)0 SV — role: starter, not in the save mix.
rosterdrop43 K ROS, 4.49 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.