MLB Daily DeltaWeek 28 · October 3, 2026
Portrait of Orion Kerkering
Orion Kerkering
PHI · P
Change to
Portrait of Wandy Peralta
Wandy Peralta
SD · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
◀
ERA
WHIP
▶
W
SV n/a

Orion Kerkering wins 1 (ERA); Wandy Peralta wins 1 (WHIP); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Orion Kerkering
97.2
Wandy Peralta
96.4
Swinging-Strike %lg 11.0% · higher = better
Orion Kerkering
11.0%
Wandy Peralta
11.4%
Strikeout %lg 22.0% · higher = better
Orion Kerkering
23.5%
Wandy Peralta
15.6%
Chase %lg 28.5% · higher = better
Orion Kerkering
28.3%
Wandy Peralta
33.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Orion Kerkering
31.1%
Wandy Peralta
35.9%
Barrel % Allowedlg 8.0% · lower = better
Orion Kerkering
6.1%
Wandy Peralta
4.5%
xwOBA Allowedlg .315 · lower = better
Orion Kerkering
.303
Wandy Peralta
.319
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
Orion Kerkering
24.73
lg xERA 4.10
now 2.53
3.81
Wandy Peralta
24.73
lg xERA 4.10
now 2.73
4.10
WHIPlower is better
Orion Kerkering
1.011.56
now 1.13
1.42
Wandy Peralta
1.011.56
now 1.44
1.37

Volume · rest of season
Strikeoutshigher is better
Orion Kerkering
4032.20
now 23
0
Wandy Peralta
4032.20
now 19
0
Winshigher is better
Orion Kerkering
.0004.20
now 3
0–0
Wandy Peralta
.0004.20
now 0
0–0

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

If you already own them — trade angle
Hold · leans buyOrion Kerkering — hold.conf 0.60
Hold · leans sellWandy Peralta — hold.conf 0.60
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