MLB Daily DeltaWeek 27 · September 30, 2026
Engraved portrait of Gavin Collyer
week 27
this weekHOLD
last weekNO CALL

Gavin Collyer

data as of September 30, 2026·week 27
new call as of September 30, 2026
Hold · wait & see skill near league average (4.60); 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

Collyer is a hold — league average, nothing unstable pulling either way.

ROS projects K 15 YTD → 0 ROS. Stable, rosterable; no clear edge to exploit either way.

Drivers

  • xeraNOISEskill near league average (4.60)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed29.2%
believable since Jul 929.2%*
lg avg 40.0% ▼−10.8%vs his norm —
65 / 50 BBE
Barrel % Allowed6.2%
6.2%*
lg avg 8.0% ▼−1.8%vs his norm —
65 / 60 BBE
xwOBA Allowed.328
.328*
lg avg .315 ▲+.013vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
113 / 200 TBF
xERA4.60
4.60*
lg avg 4.10 ▲+0.50vs his norm —xERA is above the ~4.10 league average — expect it to fall.
113 / 200 TBF
ERA5.40
5.40*
lg avg 4.10 ▲+1.30vs his norm —ERA is above the ~4.10 league average — expect it to fall.
25 / 200 IP
Strikeout %20.4%
20.4%*
lg avg 22.0% ▼−1.6%vs his norm —
113 / 70 TBF
Walk %16.8%
16.8%*
lg avg 8.0% ▲+8.8%vs his norm —Walk % is above the ~8.0% league average — expect it to fall.
113 / 170 TBF
BABIP Against.238
.238*
lg avg .295 ▼−.057vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
65 / 800 BIP
Swinging-Strike %9.8%
9.8%*
lg avg 11.0% ▼−1.2%vs his norm —
113 / 60 TBF
Chase %22.9%
22.9%*
lg avg 28.5% ▼−5.6%vs his norm —
113 / 60 TBF
Fastball Velo97.3 mph
97.3 mph*
lg avg 94.0 mph ▲+3.3 mphvs his norm —
480 / 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% 20.4%→21.1%signal0 K — K% 20.4% (signal) lifted to RP mean ~24.0% → projected 21.1% over ~0 remaining IP.
xERA 4.60noise3.70 ERA — xERA 4.60 (noise) blended 0% skill / 100% league 3.70 at 17 IP.
BB% 16.8% + contactnoise1.24 WHIP — a 17% walk rate plus BABIP-against 0.290 gives a 1.77 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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