MLB Daily DeltaWeek 25 · September 10, 2026
Engraved portrait of Sean Manaea
week 25
this weekSELL
last weekHOLD

Sean Manaea

data as of September 10, 2026·week 25
flipped from HOLD on September 10, 2026
Sell stable xERA 4.95 +0.85 vs league with no luck excuse; move on.high 0.81 (narrative held for review)
ROSK 9ERA 4.51WHIP 1.30W 0–0SV 0

Manaea is a sell — his expected ERA says the skill isn't there.

Stable skill below league and not unlucky. Sell.

VS His Norm

  • Strikeout %21.6%−1.2%vs his ~22.8% career norm
  • Walk %7.0%+0.2%vs his ~6.8% career norm

Drivers

  • xeraSIGNALstable xERA 4.95 +0.85 vs league with no luck excuse
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed41.4%
41.4%*
lg avg 40.0% +1.4%vs his norm —
401 / 50 BBE
Barrel % Allowed11.0%
11.0%*
lg avg 8.0% +3.0%vs his norm —
401 / 60 BBE
xwOBA Allowed.340
believable since Jun 14.340*
lg avg .315 +.025vs his norm —
582 / 200 TBF
xERA4.95
4.95*
lg avg 4.10 +0.85vs his norm —
582 / 200 TBF
ERA4.79
4.79*
lg avg 4.10 +0.69vs his norm —ERA is above the ~4.10 league averageexpect it to fall.
133.3 / 200 IP
Strikeout %21.6%
norm21.6%*
lg avg 22.0% −0.4%vs his norm −1.2%
582 / 70 TBF
Walk %7.0%
norm7.0%*
lg avg 8.0% −1.0%vs his norm +0.2%
582 / 170 TBF
BABIP Against.311
.311*
lg avg .295 +.016vs his norm —BABIP Against is above the ~.295 league averageexpect it to fall.
401 / 800 BIP
Swinging-Strike %11.0%
11.0%*
lg avg 11.0% +0.0%vs his norm —
582 / 60 TBF
Chase %31.5%
31.5%*
lg avg 28.5% +3.0%vs his norm —
582 / 60 TBF
Fastball Velo91.3 mph
91.3 mph*
lg avg 94.0 mph −2.7 mphvs his norm —
2227 / 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% 21.6%→21.9%signal9 K — K% 21.6% (signal) lifted to career ~22.8% → projected 21.9% over ~8 remaining IP.
xERA 4.95signal4.51 ERA — xERA 4.95 (signal) blended 65% skill / 35% league 3.70 at 39 IP.
BB% 7.0% + contactsignal1.30 WHIP — a 7% walk rate plus BABIP-against 0.303 gives a 1.34 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.
rosterdrop4.51 ERA, 1.30 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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