MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Jakob Marsee
553 PA · week 25
this weekHOLD
last weekSELL

Jakob Marsee

data as of September 10, 2026·week 25
flipped from SELL on September 10, 2026
Hold · steady skill near league average (0.309); hold steady — skill tracks near league, no edge either way.med 0.60 (narrative held for review)
ROSHR 0AVG .209R 6RBI 3SB 2

Marsee is a hold — average skill, average results.

ROS projects HR 3 YTD → 0 ROS, AVG .194 YTD → .209 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Barrel %3.7%−4.3%vs his ~8.0% career norm

Drivers

  • xwobaSIGNALskill near league average (0.309)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo87.4 mph
87.4 mph*
lg avg 89.0 mph −1.6 mphvs his norm —
355 / 50 BBE
Hard-Hit %34.6%
34.6%*
lg avg 40.0% −5.4%vs his norm —
355 / 50 BBE
Barrel %3.7%
norm3.7%*
lg avg 8.0% −4.3%vs his norm −4.3%
355 / 60 BBE
xwOBA.309
.309*
lg avg .315 −.006vs his norm —
553 / 160 PA
wOBA.309
.309*
lg avg .315 −.006vs his norm —
553 / 200 PA
Strikeout %20.6%
20.6%*
lg avg 22.0% −1.4%vs his norm —
553 / 60 PA
Walk %13.0%
13.0%*
lg avg 8.5% +4.5%vs his norm —
553 / 120 PA
BABIP.270
norm.270*
lg avg .295 −.025vs his norm −.087 BABIP is below his ~.357 normexpect it to rise.
355 / 800 BIP
Swinging-Strike %7.3%
7.3%*
lg avg 11.0% −3.7%vs his norm —
553 / 50 PA
Chase %21.5%
21.5%*
lg avg 28.5% −7.0%vs his norm —
553 / 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% 3.7%→5.2%signal0 HR — Barrel% 3.7% (signal) lifted to career ~8.0% → projected 5.2%.
BABIP 0.270→0.278 regressednoise.209 AVG — BABIP 0.270 is noise, regressed toward xBA-implied 0.284 (xBA 0.228) → 0.278.
on-base + lineup6 R — his run rate over ~44 projected PA.
slugging + lineup3 RBI — his RBI rate over ~44 projected PA.
run rate / role2 SB — his steal rate (14 in 59 G) over ~44 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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