MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Casey Legumina
week 25
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Casey Legumina

TB·P
data as of September 10, 2026·week 25
Hold · steady skill near league average (4.03); hold steady — skill tracks near league, no edge either way.med 0.60 (narrative held for review)
ROSK 4ERA 3.91WHIP 1.32W 0–0SV 0

Legumina is a hold — average across the board, nothing unstable.

ROS projects K 16 YTD → 4 ROS, ERA 3.70 YTD → 3.91 ROS, WHIP 1.44 YTD → 1.32 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Walk %6.2%−3.5%vs his ~9.7% career norm
  • Strikeout %17.8%−2.8%vs his ~20.6% career norm

Drivers

  • xeraSIGNALskill near league average (4.03)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed38.6%
38.6%*
lg avg 40.0% −1.4%vs his norm —
201 / 50 BBE
Barrel % Allowed6.0%
6.0%*
lg avg 8.0% −2.0%vs his norm —
201 / 60 BBE
xwOBA Allowed.310
believable since Aug 4.310*
lg avg .315 −.005vs his norm —
275 / 200 TBF
xERA4.03
4.03*
lg avg 4.10 −0.07vs his norm —
275 / 200 TBF
ERA3.76
3.76*
lg avg 4.10 −0.34vs his norm —ERA is below the ~4.10 league averageexpect it to rise.
64.7 / 200 IP
Strikeout %17.8%
norm17.8%*
lg avg 22.0% −4.2%vs his norm −2.8%
275 / 70 TBF
Walk %6.2%
norm6.2%*
lg avg 8.0% −1.8%vs his norm −3.5%
275 / 170 TBF
BABIP Against.313
.313*
lg avg .295 +.018vs his norm —BABIP Against is above the ~.295 league averageexpect it to fall.
201 / 800 BIP
Swinging-Strike %11.2%
11.2%*
lg avg 11.0% +0.2%vs his norm —
275 / 60 TBF
Chase %32.6%
32.6%*
lg avg 28.5% +4.1%vs his norm —
275 / 60 TBF
Fastball Velo93.1 mph
93.1 mph*
lg avg 94.0 mph −0.9 mphvs his norm —
1026 / 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% 17.8%→19.0%signal4 K — K% 17.8% (signal) lifted to career ~20.6% → projected 19.0% over ~5 remaining IP.
xERA 4.03signal3.91 ERA — xERA 4.03 (signal) blended 65% skill / 35% league 3.70 at 24 IP.
BB% 6.2% + contactsignal1.32 WHIP — a 6% walk rate plus BABIP-against 0.299 gives a 1.36 skill WHIP, blended 65…
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.
rosterdrop3.91 ERA, 1.32 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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