MLB Daily DeltaWeek 27 · September 30, 2026
week 27
this weekHOLD
last week—

Drey Jameson

AZ·P
data as of September 30, 2026·week 27
Hold · wait & see strikeout rate 15% is stable and well below league, limits the ceiling — skill near league average (5.02); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 0ERA 3.70WHIP 1.24W 0–0SV 0

Jameson is a hold — league average, and the strikeouts aren't there.

ROS projects K 1 YTD → 0 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Strikeout %15.1%—−6.1% ▼vs his ~21.2% career norm

Drivers

  • xeraNOISEskill near league average (5.02)
  • p_k_pctSIGNALstrikeout rate 15% is stable and well below league — limits the ceiling
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed30.6%
30.6%*
lg avg 40.0% ▼−9.4%vs his norm —
62 / 50 BBE
Barrel % Allowed4.8%
4.8%*
lg avg 8.0% ▼−3.2%vs his norm —
62 / 60 BBE
xwOBA Allowed.341
.341*
lg avg .315 ▲+.026vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
86 / 200 TBF
xERA5.02
5.02*
lg avg 4.10 ▲+0.92vs his norm —xERA is above the ~4.10 league average — expect it to fall.
86 / 200 TBF
ERA5.12
5.12*
lg avg 4.10 ▲+1.02vs his norm —ERA is above the ~4.10 league average — expect it to fall.
19.3 / 200 IP
Strikeout %15.1%
norm15.1%*
lg avg 22.0% ▼−6.9%vs his norm −6.1% ▼
86 / 70 TBF
Walk %11.6%
norm11.6%*
lg avg 8.0% ▲+3.6%vs his norm +1.3% ▲Walk % is above his ~10.3% norm — expect it to fall.
86 / 170 TBF
BABIP Against.295
.295*
lg avg .295 .000vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
62 / 800 BIP
Swinging-Strike %12.8%
12.8%*
lg avg 11.0% ▲+1.8%vs his norm —
86 / 60 TBF
Chase %30.6%
30.6%*
lg avg 28.5% ▲+2.1%vs his norm —
86 / 60 TBF
Fastball Velo96.8 mph
96.8 mph*
lg avg 94.0 mph ▲+2.8 mphvs his norm —
306 / 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% 15.1%→19.4%signal0 K — K% 15.1% (signal) lifted to career ~21.2% → projected 19.4% over ~0 remaining IP.
xERA 5.02noise3.70 ERA — xERA 5.02 (noise) blended 0% skill / 100% league 3.70 at 1 IP.
BB% 11.6% + contactnoise1.24 WHIP — a 12% walk rate plus BABIP-against 0.295 gives a 1.64 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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