MLB Daily DeltaWeek 25 · September 10, 2026
week 25
this weekHOLD
last weekHOLD

Luis Gastelum

data as of September 10, 2026·week 25
Hold · wait & see skill near league average (4.95); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 2ERA 3.70WHIP 1.24W 0–0SV 0

Luis Gastelum is a hold — little data, and nothing unstable either way.

ROS projects K 1 YTD → 2 ROS. Stable, rosterable; no clear edge to exploit either way.

Drivers

  • xeraNOISEskill near league average (4.95)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed33.3%
33.3%*
lg avg 40.0% −6.7%vs his norm —
72 / 50 BBE
Barrel % Allowed11.1%
11.1%*
lg avg 8.0% +3.1%vs his norm —
72 / 60 BBE
xwOBA Allowed.340
.340*
lg avg .315 +.025vs his norm —xwOBA Allowed is above the ~.315 league averageexpect it to fall.
119 / 200 TBF
xERA4.95
4.95*
lg avg 4.10 +0.85vs his norm —xERA is above the ~4.10 league averageexpect it to fall.
119 / 200 TBF
ERA5.02
5.02*
lg avg 4.10 +0.92vs his norm —ERA is above the ~4.10 league averageexpect it to fall.
28.7 / 200 IP
Strikeout %30.3%
30.3%*
lg avg 22.0% +8.3%vs his norm —
119 / 70 TBF
Walk %8.4%
8.4%*
lg avg 8.0% +0.4%vs his norm —Walk % is above the ~8.0% league averageexpect it to fall.
119 / 170 TBF
BABIP Against.303
.303*
lg avg .295 +.008vs his norm —BABIP Against is above the ~.295 league averageexpect it to fall.
72 / 800 BIP
Swinging-Strike %17.0%
17.0%*
lg avg 11.0% +6.0%vs his norm —
119 / 60 TBF
Chase %32.4%
32.4%*
lg avg 28.5% +3.9%vs his norm —
119 / 60 TBF
Fastball Velo94.2 mph
94.2 mph*
lg avg 94.0 mph +0.2 mphvs his norm —
465 / 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% 30.3%→29.0%signal2 K — K% 30.3% (signal) tempered to RP mean ~24.0% → projected 29.0% over ~4 remaining IP.
xERA 4.95noise3.70 ERA — xERA 4.95 (noise) blended 0% skill / 100% league 3.70 at 2 IP.
BB% 8.4% + contactnoise1.24 WHIP — a 8% walk rate plus BABIP-against 0.296 gives a 1.21 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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