MLB Daily DeltaWeek 27 · September 29, 2026
Ethan Pecko
HOU · P
Change to
Robert Stock
NYM · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 0–0, 4 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

Ethan Pecko wins 0 (none); Robert Stock wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Ethan Pecko
93.5
Robert Stock
95.8
Swinging-Strike %lg 11.0% · higher = better
Ethan Pecko
9.8%
Robert Stock
11.8%
Strikeout %lg 22.0% · higher = better
Ethan Pecko
16.4%
Robert Stock
19.7%
Chase %lg 28.5% · higher = better
Ethan Pecko
29.4%
Robert Stock
28.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Ethan Pecko
39.6%
Robert Stock
36.4%
Barrel % Allowedlg 8.0% · lower = better
Ethan Pecko
9.9%
Robert Stock
8.1%
xwOBA Allowedlg .315 · lower = better
Ethan Pecko
.322
Robert Stock
.343
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Ethan Pecko
26.15
lg xERA 4.10
now 4.91
4.10
Robert Stock
26.15
lg xERA 4.10
now 1.80
4.10
WHIPlower is better
Ethan Pecko
.9002.06
now 1.64
1.30
Robert Stock
.9002.06
now 0.60
1.30

Volume · rest of season
Strikeoutshigher is better
Ethan Pecko
409.60
now 4
0
Robert Stock
409.60
now 4
0
Winshigher is better
Ethan Pecko
.000.480
now 0
0–0
Robert Stock
.000.480
now 0
0–0

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Sell HighEthan Pecko — sell high. His value is peaking; good time to trade him.conf 0.75
Hold · wait & seeRobert Stock — hold.conf 0.55
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