MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Michael Massey
391 PA · week 25
this weekHOLD
last weekHOLD

Michael Massey

data as of September 10, 2026·week 25
Hold · leans sell skill near league average (0.305); a hold that leans sell — skill sits a hair below league, nothing to chase.med 0.60 (narrative held for review)
ROSAVG .236HR 0R 4RBI 4SB 0

Massey is a hold — league-average skill, nothing pulling either way.

ROS projects HR 5 YTD → 0 ROS, AVG .250 YTD → .236 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Barrel %5.9%−0.7%vs his ~6.6% career norm

Drivers

  • xwobaSIGNALskill near league average (0.305)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo89.8 mph
89.8 mph*
lg avg 89.0 mph +0.8 mphvs his norm —
306 / 50 BBE
Hard-Hit %40.8%
40.8%*
lg avg 40.0% +0.8%vs his norm —
306 / 50 BBE
Barrel %5.9%
norm5.9%*
lg avg 8.0% −2.1%vs his norm −0.7%
306 / 60 BBE
xwOBA.305
believable since Jun 14.305*
lg avg .315 −.010vs his norm —
391 / 160 PA
wOBA.326
.326*
lg avg .315 +.011vs his norm —
391 / 200 PA
Strikeout %16.4%
16.4%*
lg avg 22.0% −5.6%vs his norm —
391 / 60 PA
Walk %5.4%
5.4%*
lg avg 8.5% −3.1%vs his norm —
391 / 120 PA
BABIP.307
norm.307*
lg avg .295 +.012vs his norm +.038 BABIP is above his ~.269 normexpect it to fall.
306 / 800 BIP
Swinging-Strike %10.3%
10.3%*
lg avg 11.0% −0.7%vs his norm —
391 / 50 PA
Chase %38.5%
38.5%*
lg avg 28.5% +10.0%vs his norm —
391 / 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% 5.9%→6.2%signal0 HR — Barrel% 5.9% (signal) lifted to career ~6.6% → projected 6.2%.
BABIP 0.307→0.286 regressednoise.236 AVG — BABIP 0.307 is noise, regressed toward xBA-implied 0.273 (xBA 0.252) → 0.286.
on-base + lineup4 R — his run rate over ~35 projected PA.
slugging + lineup4 RBI — his RBI rate over ~35 projected PA.
run rate / role0 SB — his steal rate (1 in 44 G) over ~35 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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