MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of José Soriano
José Soriano
LAA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

George Kirby wins 2 (ERA, WHIP); José Soriano wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
George Kirby
96.7
José Soriano
97.3
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.3%
José Soriano
14.8%
Strikeout %lg 22.0% · higher = better
George Kirby
21.5%
José Soriano
24.7%
Chase %lg 28.5% · higher = better
George Kirby
34.6%
José Soriano
32.3%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
42.5%
José Soriano
36.4%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
7.2%
José Soriano
7.8%
xwOBA Allowedlg .315 · lower = better
George Kirby
.305
José Soriano
.322
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
George Kirby
2.104.90
lg xERA 4.10
now 3.77
3.88
José Soriano
2.104.90
lg xERA 4.10
now 2.72
4.28
WHIPlower is better
George Kirby
1.141.44
now 1.22
1.31
José Soriano
1.141.44
now 1.21
1.37

Volume · rest of season
Strikeoutshigher is better
George Kirby
4099.80
now 59
48
José Soriano
4099.80
now 85
64
Winshigher is better
George Kirby
1.807.20
now 5
36
José Soriano
1.807.20
now 6
36

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

If you already own them — trade angle
Hold · leans buyGeorge Kirby — hold.conf 0.60
Hold · leans sellJosé Soriano — hold.conf 0.60
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