MLB Daily DeltaWeek 19 · August 4, 2026
Engraved portrait of Petey Halpin
117 PA · week 19
this weekHOLD
last weekNO CALL

Petey Halpin

data as of August 4, 2026·week 19
new call as of August 4, 2026
Hold · wait & see skill near league average (0.277); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSHR 1AVG .242R 8RBI 3SB 6

Halpin is a hold — league-average skill, nothing unstable.

ROS projects HR 0 YTD → 1 ROS, AVG .167 YTD → .242 ROS. Stable, rosterable; no clear edge to exploit either way.

Drivers

  • xwobaNOISEskill near league average (0.277)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo85.8 mph
believable since Jul 2185.8 mph*
lg avg 89.0 mph −3.2 mphvs his norm —
90 / 50 BBE
Hard-Hit %25.6%
25.6%*
lg avg 40.0% −14.4%vs his norm —
90 / 50 BBE
Barrel %6.7%
6.7%*
lg avg 8.0% −1.3%vs his norm —
90 / 60 BBE
xwOBA.277
.277*
lg avg .315 −.038vs his norm —xwOBA is below the ~.315 league averageexpect it to rise.
117 / 160 PA
wOBA.247
.247*
lg avg .315 −.068vs his norm —wOBA is below the ~.315 league averageexpect it to rise.
117 / 200 PA
Strikeout %18.8%
18.8%*
lg avg 22.0% −3.2%vs his norm —
117 / 60 PA
Walk %2.6%
2.6%*
lg avg 8.5% −5.9%vs his norm —Walk % is below the ~8.5% league averageexpect it to rise.
117 / 120 PA
BABIP.247
.247*
lg avg .295 −.048vs his norm —BABIP is below the ~.295 league averageexpect it to rise.
90 / 800 BIP
Swinging-Strike %14.6%
14.6%*
lg avg 11.0% +3.6%vs his norm —
117 / 50 PA
Chase %40.5%
40.5%*
lg avg 28.5% +12.0%vs his norm —
117 / 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% 6.7%→7.0%signal1 HR — Barrel% 6.7% (signal) lifted to league ~8.0% → projected 7.0%.
BABIP 0.247→0.314 regressednoise.242 AVG — BABIP 0.247 is noise, regressed toward xBA-implied 0.322 (xBA 0.239) → 0.314.
on-base + lineup8 R — his run rate over ~86 projected PA.
slugging + lineup3 RBI — his RBI rate over ~86 projected PA.
run rate / role6 SB — his steal rate (2 in 18 G) over ~86 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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