MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Zack Gelof
369 PA · week 25
this weekHOLD
last weekHOLD

Zack Gelof

data as of September 10, 2026·week 25
Hold · steady skill near league average (0.311); hold steady — skill tracks near league, no edge either way.med 0.60 (narrative held for review)
ROSHR 1AVG .216R 5RBI 5SB 2

Gelof is a hold — nothing here is pulling in either direction.

ROS projects HR 6 YTD → 1 ROS, AVG .259 YTD → .216 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Barrel %9.4%−0.5%vs his ~9.9% career norm

Drivers

  • xwobaSIGNALskill near league average (0.311)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo89.2 mph
89.2 mph*
lg avg 89.0 mph +0.2 mphvs his norm —
244 / 50 BBE
Hard-Hit %42.6%
42.6%*
lg avg 40.0% +2.6%vs his norm —
244 / 50 BBE
Barrel %9.4%
norm9.4%*
lg avg 8.0% +1.4%vs his norm −0.5%
244 / 60 BBE
xwOBA.311
believable since Jun 5.311*
lg avg .315 −.004vs his norm —
369 / 160 PA
wOBA.341
.341*
lg avg .315 +.026vs his norm —
369 / 200 PA
Strikeout %25.2%
25.2%*
lg avg 22.0% +3.2%vs his norm —
369 / 60 PA
Walk %7.3%
7.3%*
lg avg 8.5% −1.2%vs his norm —
369 / 120 PA
BABIP.304
norm.304*
lg avg .295 +.009vs his norm −.005 BABIP is below his ~.309 normexpect it to rise.
244 / 800 BIP
Swinging-Strike %13.5%
13.5%*
lg avg 11.0% +2.5%vs his norm —
369 / 50 PA
Chase %24.9%
24.9%*
lg avg 28.5% −3.6%vs his norm —
369 / 50 PA

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
Barrel% 9.4%→9.6%signal1 HR — Barrel% 9.4% (signal) lifted to career ~9.9% → projected 9.6%.
BABIP 0.304→0.275 regressednoise.216 AVG — BABIP 0.304 is noise, regressed toward xBA-implied 0.262 (xBA 0.229) → 0.275.
on-base + lineup5 R — his run rate over ~38 projected PA.
slugging + lineup5 RBI — his RBI rate over ~38 projected PA.
run rate / role2 SB — his steal rate (6 in 43 G) over ~38 projected PA.
rosterdroprotational counting only

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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