MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Portrait of Seranthony Domínguez
Seranthony Domínguez
SEA · 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

Jack Perkins wins 1 (WHIP); Seranthony Domínguez wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Perkins
95.7
Seranthony Domínguez
97.3
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
12.7%
Seranthony Domínguez
13.1%
Strikeout %lg 22.0% · higher = better
Jack Perkins
25.2%
Seranthony Domínguez
24.9%
Chase %lg 28.5% · higher = better
Jack Perkins
33.7%
Seranthony Domínguez
28.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
36.9%
Seranthony Domínguez
32.7%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
8.5%
Seranthony Domínguez
6.9%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.309
Seranthony Domínguez
.297
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
Jack Perkins
36.16
lg xERA 4.10
now 5.46
3.91
Seranthony Domínguez
36.16
lg xERA 4.10
now 3.97
3.70
WHIPlower is better
Jack Perkins
1.071.44
now 1.21
1.33
Seranthony Domínguez
1.071.44
now 1.15
1.36

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4046.20
now 33
0
Seranthony Domínguez
4046.20
now 28
0
Winshigher is better
Jack Perkins
.0004.20
now 2
0–0
Seranthony Domínguez
.0004.20
now 3
0–0

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

If you already own them — trade angle
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
BuySeranthony Domínguez — buy.conf 0.72
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