MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Caleb Thielbar
week 25
this weekHOLD
last weekNO CALL

Caleb Thielbar

data as of September 10, 2026·week 25
new call as of September 10, 2026
Hold · wait & see skill near league average (4.56); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 5WHIP 1.24ERA 3.70W 0–1SV 0–1

Thielbar is a hold — league-average skill, nothing unstable

ROS projects K 15 YTD → 5 ROS, WHIP 1.34 YTD → 1.24 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Strikeout %29.2%+3.1%vs his ~26.1% career norm
  • Walk %8.9%+1.0%vs his ~7.9% career norm

Drivers

  • xeraNOISEskill near league average (4.56)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed39.8%
believable since Jun 1839.8%*
lg avg 40.0% −0.2%vs his norm —
118 / 50 BBE
Barrel % Allowed11.0%
11.0%*
lg avg 8.0% +3.0%vs his norm —
118 / 60 BBE
xwOBA Allowed.328
.328*
lg avg .315 +.013vs his norm —xwOBA Allowed is above the ~.315 league averageexpect it to fall.
192 / 200 TBF
xERA4.56
4.56*
lg avg 4.10 +0.46vs his norm —xERA is above the ~4.10 league averageexpect it to fall.
192 / 200 TBF
ERA5.00
5.00*
lg avg 4.10 +0.90vs his norm —ERA is above the ~4.10 league averageexpect it to fall.
45 / 200 IP
Strikeout %29.2%
norm29.2%*
lg avg 22.0% +7.2%vs his norm +3.1%
192 / 70 TBF
Walk %8.9%
norm8.9%*
lg avg 8.0% +0.9%vs his norm +1.0%
192 / 170 TBF
BABIP Against.302
.302*
lg avg .295 +.007vs his norm —BABIP Against is above the ~.295 league averageexpect it to fall.
118 / 800 BIP
Swinging-Strike %14.6%
14.6%*
lg avg 11.0% +3.6%vs his norm —
192 / 60 TBF
Chase %36.5%
36.5%*
lg avg 28.5% +8.0%vs his norm —
192 / 60 TBF
Fastball Velo93.3 mph
93.3 mph*
lg avg 94.0 mph −0.7 mphvs his norm —
781 / 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% 29.2%→27.6%signal5 K — K% 29.2% (signal) tempered to career ~26.1% → projected 27.6% over ~4 remaining IP.
xERA 4.56noise3.70 ERA — xERA 4.56 (noise) blended 0% skill / 100% league 3.70 at 13 IP.
BB% 8.9% + contactsignal1.24 WHIP — a 9% walk rate plus BABIP-against 0.296 gives a 1.25 skill WHIP, blended 0%…
run support + role0-1 W — wins ride run support and how deep he goes, not just skill.
role (middle)0-1 SV — role: middle, in the save mix only situationally.
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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