MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Jacob Webb
week 25
this weekHOLD
last weekHOLD

Jacob Webb

data as of September 10, 2026·week 25
Hold · leans sell skill near league average (4.29); a hold that leans sell — skill sits a hair below league, nothing to chase.med 0.60 (narrative held for review)
ROSK 6ERA 4.08WHIP 1.27W 0–0SV 0–0

Webb is a hold — league-average skill, nothing unstable

ROS projects K 31 YTD → 6 ROS, ERA 2.55 YTD → 4.08 ROS, WHIP 1.34 YTD → 1.27 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Strikeout %25.7%+2.1%vs his ~23.6% career norm
  • Walk %8.4%−1.6%vs his ~9.9% career norm

Drivers

  • xeraSIGNALskill near league average (4.29)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed42.1%
42.1%*
lg avg 40.0% +2.1%vs his norm —
171 / 50 BBE
Barrel % Allowed7.0%
7.0%*
lg avg 8.0% −1.0%vs his norm —
171 / 60 BBE
xwOBA Allowed.319
believable since Jul 31.319*
lg avg .315 +.004vs his norm —
261 / 200 TBF
xERA4.29
4.29*
lg avg 4.10 +0.19vs his norm —
261 / 200 TBF
ERA3.36
3.36*
lg avg 4.10 −0.74vs his norm —ERA is below the ~4.10 league averageexpect it to rise.
61.7 / 200 IP
Strikeout %25.7%
norm25.7%*
lg avg 22.0% +3.7%vs his norm +2.1%
261 / 70 TBF
Walk %8.4%
norm8.4%*
lg avg 8.0% +0.4%vs his norm −1.6%
261 / 170 TBF
BABIP Against.284
.284*
lg avg .295 −.011vs his norm —BABIP Against is below the ~.295 league averageexpect it to rise.
171 / 800 BIP
Swinging-Strike %16.9%
16.9%*
lg avg 11.0% +5.8%vs his norm —
261 / 60 TBF
Chase %33.5%
33.5%*
lg avg 28.5% +5.0%vs his norm —
261 / 60 TBF
Fastball Velo94.2 mph
94.2 mph*
lg avg 94.0 mph +0.2 mphvs his norm —
1050 / 50 PITCHES

5×5 ROS Outlook

rest of season

Where each category goes the rest of the way, and the skill that drives it. Tap a row to expand the full derivation.

statytdrosdriverconf
K% 25.7%→24.8%signal6 K — K% 25.7% (signal) tempered to career ~23.6% → projected 24.8% over ~5 remaining IP.
xERA 4.29signal4.08 ERA — xERA 4.29 (signal) blended 65% skill / 35% league 3.70 at 25 IP.
BB% 8.4% + contactsignal1.27 WHIP — a 8% walk rate plus BABIP-against 0.293 gives a 1.28 skill WHIP, blended 65…
run support + role0-0 W — wins ride run support and how deep he goes, not just skill.
role (setup)0-0 SV — role: setup, in the save mix only situationally.
rosterdrop4.08 ERA, 1.27 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.

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