MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Sung-Mun Song
143 PA · week 25
this weekHOLD
last weekNO CALL

Sung-Mun Song

data as of September 10, 2026·week 25
new call as of September 10, 2026
Hold · wait & see skill near league average (0.256); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSHR 0AVG .189R 3RBI 4SB 2

Song is a hold — contact is light and the sample is thin.

ROS projects HR 0 YTD → 0 ROS, AVG .174 YTD → .189 ROS. Stable, rosterable; no clear edge to exploit either way.

Drivers

  • xwobaNOISEskill near league average (0.256)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo87.5 mph
believable since Jul 687.5 mph*
lg avg 89.0 mph −1.5 mphvs his norm —
99 / 50 BBE
Hard-Hit %28.3%
28.3%*
lg avg 40.0% −11.7%vs his norm —
99 / 50 BBE
Barrel %4.0%
4.0%*
lg avg 8.0% −4.0%vs his norm —
99 / 60 BBE
xwOBA.256
.256*
lg avg .315 −.059vs his norm —xwOBA is below the ~.315 league averageexpect it to rise.
143 / 160 PA
wOBA.252
.252*
lg avg .315 −.063vs his norm —wOBA is below the ~.315 league averageexpect it to rise.
143 / 200 PA
Strikeout %18.2%
18.2%*
lg avg 22.0% −3.8%vs his norm —
143 / 60 PA
Walk %12.6%
12.6%*
lg avg 8.5% +4.1%vs his norm —
143 / 120 PA
BABIP.232
.232*
lg avg .295 −.063vs his norm —BABIP is below the ~.295 league averageexpect it to rise.
99 / 800 BIP
Swinging-Strike %9.0%
9.0%*
lg avg 11.0% −2.0%vs his norm —
143 / 50 PA
Chase %22.8%
22.8%*
lg avg 28.5% −5.7%vs his norm —
143 / 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% 4.0%→4.8%signal0 HR — Barrel% 4.0% (signal) lifted to league ~8.0% → projected 4.8%.
BABIP 0.232→0.230 regressednoise.189 AVG — BABIP 0.232 is noise, regressed toward xBA-implied 0.230 (xBA 0.184) → 0.230.
on-base + lineup3 R — his run rate over ~27 projected PA.
slugging + lineup4 RBI — his RBI rate over ~27 projected PA.
run rate / role2 SB — his steal rate (2 in 17 G) over ~27 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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