MLB Daily DeltaWeek 27 · September 27, 2026
week 27
this weekHOLD
last weekHOLD

Brock Stewart

data as of September 27, 2026·week 27
Hold · wait & see skill near league average (2.53); 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

Stewart is a hold — league average, with no luck pulling either way.

ROS projects K 3 YTD → 0 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Strikeout %24.5%—+1.2% ▲vs his ~23.3% career norm

Drivers

  • xeraNOISEskill near league average (2.53)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed27.7%
27.7%*
lg avg 40.0% ▼−12.3%vs his norm —
65 / 50 BBE
Barrel % Allowed4.6%
4.6%*
lg avg 8.0% ▼−3.4%vs his norm —
65 / 60 BBE
xwOBA Allowed.247
.247*
lg avg .315 ▼−.068vs his norm —xwOBA Allowed is below the ~.315 league average — expect it to rise.
98 / 200 TBF
xERA2.53
2.53*
lg avg 4.10 ▼−1.57vs his norm —xERA is below the ~4.10 league average — expect it to rise.
98 / 200 TBF
ERA2.46
2.46*
lg avg 4.10 ▼−1.64vs his norm —ERA is below the ~4.10 league average — expect it to rise.
25.7 / 200 IP
Strikeout %24.5%
norm24.5%*
lg avg 22.0% ▲+2.5%vs his norm +1.2% ▲
98 / 70 TBF
Walk %9.2%
norm9.2%*
lg avg 8.0% ▲+1.2%vs his norm −0.6% ▼Walk % is below his ~9.8% norm — expect it to rise.
98 / 170 TBF
BABIP Against.210
.210*
lg avg .295 ▼−.085vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
65 / 800 BIP
Swinging-Strike %14.3%
14.3%*
lg avg 11.0% ▲+3.3%vs his norm —
98 / 60 TBF
Chase %36.3%
36.3%*
lg avg 28.5% ▲+7.8%vs his norm —
98 / 60 TBF
Fastball Velo95.9 mph
95.9 mph*
lg avg 94.0 mph ▲+1.9 mphvs his norm —
364 / 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% 24.5%→23.7%signal0 K — K% 24.5% (signal) tempered to career ~23.3% → projected 23.7% over ~0 remaining IP.
xERA 2.53noise3.70 ERA — xERA 2.53 (noise) blended 0% skill / 100% league 3.70 at 2 IP.
BB% 9.2% + contactnoise1.24 WHIP — a 9% walk rate plus BABIP-against 0.288 gives a 1.32 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.

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