MLB Daily DeltaWeek 27 · September 30, 2026
160 PA · week 27
this weekSELL
last week—

Edwin Arroyo

data as of September 30, 2026·week 27
Sell stable xwOBA 0.291 below league with no luck excuse; move on.med 0.60
ROSHR 0AVG .000R 0RBI 0SB 0

Arroyo is a sell — his expected wOBA sits below league and no luck is hiding it.

His contact quality is the problem, not his fortune. He has 113 batted balls, past the 50 needed to trust the numbers, and he is averaging 88 mph off the bat against a league average of 89. His hard-hit rate is 27.4% where league is 40.0%, and his barrel rate is 2.7% against 8.0% — that is a weak foundation that his expected wOBA reflects cleanly. His xwOBA is .291, below the league average of .315, and he has the 160 plate appearances that make this stable. What is left is a strikeout rate of 23.8% slightly above league, a walk rate of 3.8% less than half of league, and a chase rate of 39.7% against 28.5%. The expected wOBA is stepping down across the sample, which matches the weak contact. No slump is waiting to break and no luck is waiting to come back. Sell. A 0 HR / 0 R / 0 RBI / 0 SB / .000 AVG ROS line is deep-league waiver filler — drop, stream, move on.

Drivers

  • xwobaSIGNALstable xwOBA 0.291 below league with no luck excuse
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo88.0 mph
88.0 mph*
lg avg 89.0 mph ▼−1.0 mphvs his norm —
113 / 50 BBE
Hard-Hit %27.4%
27.4%*
lg avg 40.0% ▼−12.6%vs his norm —
113 / 50 BBE
Barrel %2.7%
2.7%*
lg avg 8.0% ▼−5.3%vs his norm —
113 / 60 BBE
xwOBA.291
.291*
lg avg .315 ▼−.024vs his norm —
160 / 160 PA
wOBA.240
.240*
lg avg .315 ▼−.075vs his norm —wOBA is below the ~.315 league average — expect it to rise.
160 / 200 PA
Strikeout %23.8%
23.8%*
lg avg 22.0% ▲+1.8%vs his norm —
160 / 60 PA
Walk %3.8%
3.8%*
lg avg 8.5% ▼−4.7%vs his norm —
160 / 120 PA
BABIP.297
.297*
lg avg .295 ▲+.002vs his norm —BABIP is above the ~.295 league average — expect it to fall.
113 / 800 BIP
Swinging-Strike %15.5%
15.5%*
lg avg 11.0% ▲+4.5%vs his norm —
160 / 50 PA
Chase %39.7%
39.7%*
lg avg 28.5% ▲+11.2%vs his norm —
160 / 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% 2.7%→3.8%signal0 HR — Barrel% 2.7% (signal) lifted to league ~8.0% → projected 3.8%.
BABIP 0.297→0.368 regressednoise.000 AVG — BABIP 0.297 is noise, regressed toward xBA-implied 0.380 (xBA 0.268) → 0.368.
on-base + lineup0 R — his run rate over ~0 projected PA.
slugging + lineup0 RBI — his RBI rate over ~0 projected PA.
run rate / role0 SB — his steal rate (0 in 2 G) over ~0 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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