MLB Daily DeltaWeek 17 · July 18, 2026
Engraved portrait of Jack Flaherty
week 17
this weekHOLD
last weekSELL

Jack Flaherty

data as of July 18, 2026·week 17
flipped from SELL on July 18, 2026
Hold · leans sell skill near league average (4.30); a hold that leans sell — skill sits a hair below league, nothing to chase.med 0.60 (narrative held for review)
ROSK 65ERA 4.23WHIP 1.36W 0–0SV 0

Flaherty is a hold — league average, nothing to trade on.

ROS projects K 64 YTD → 65 ROS, ERA 5.81 YTD → 4.23 ROS, WHIP 1.61 YTD → 1.36 ROS. Stable, rosterable; no clear edge to exploit either way.

VS His Norm

  • Walk %10.8%+2.1%vs his ~8.7% career norm
  • Strikeout %26.4%−0.9%vs his ~27.3% career norm

Drivers

  • xeraSIGNALskill near league average (4.30)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed47.3%
47.3%*
lg avg 40.0% +7.3%vs his norm —
226 / 50 BBE
Barrel % Allowed8.4%
8.4%*
lg avg 8.0% +0.4%vs his norm —
226 / 60 BBE
xwOBA Allowed.321
.321*
lg avg .315 +.006vs his norm —
371 / 200 TBF
xERA4.30
4.30*
lg avg 4.10 +0.20vs his norm —
371 / 200 TBF
ERA4.48
4.48*
lg avg 4.10 +0.38vs his norm —ERA is above the ~4.10 league averageexpect it to fall.
82.3 / 200 IP
Strikeout %26.4%
norm26.4%*
lg avg 22.0% +4.4%vs his norm −0.9%
371 / 70 TBF
Walk %10.8%
norm10.8%*
lg avg 8.0% +2.8%vs his norm +2.1%
371 / 170 TBF
BABIP Against.312
.312*
lg avg .295 +.017vs his norm —BABIP Against is above the ~.295 league averageexpect it to fall.
226 / 800 BIP
Swinging-Strike %12.3%
12.3%*
lg avg 11.0% +1.4%vs his norm —
371 / 60 TBF
Chase %28.1%
28.1%*
lg avg 28.5% −0.4%vs his norm —
371 / 60 TBF
Fastball Velo92.8 mph
92.8 mph*
lg avg 94.0 mph −1.2 mphvs his norm —
1557 / 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% 26.4%→26.7%signal65 K — K% 26.4% (signal) lifted to career ~27.3% → projected 26.7% over ~53 remaining IP.
xERA 4.30signal4.23 ERA — xERA 4.30 (signal) blended 65% skill / 35% league 4.10 at 53 IP.
BB% 10.8% + contactsignal1.36 WHIP — a 11% walk rate plus BABIP-against 0.300 gives a 1.40 skill WHIP, blended 6…
run support + role0-0 W — wins ride run support and how deep he goes, not just skill.
role (starter)0 SV — role: starter, not in the save mix.
rosterdrop65 K ROS, 4.23 ERA

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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