MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of J.T. Ginn
J.T. Ginn
ATH · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

George Kirby wins 1 (ERA); J.T. Ginn 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
George Kirby
96.7
J.T. Ginn
93.5
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.4%
J.T. Ginn
12.2%
Strikeout %lg 22.0% · higher = better
George Kirby
19.9%
J.T. Ginn
20.9%
Chase %lg 28.5% · higher = better
George Kirby
34.8%
J.T. Ginn
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
40.3%
J.T. Ginn
35.4%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.9%
J.T. Ginn
6.1%
xwOBA Allowedlg .315 · lower = better
George Kirby
.310
J.T. Ginn
.312
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
2.384.58
lg xERA 4.10
now 3.77
4.03
J.T. Ginn
2.384.58
lg xERA 4.10
now 2.87
4.09
WHIPlower is better
George Kirby
1.061.43
now 1.22
1.35
J.T. Ginn
1.061.43
now 1.14
1.34

Volume · rest of season
Strikeoutshigher is better
George Kirby
4078.20
now 59
11
J.T. Ginn
4078.20
now 52
11
Winshigher is better
George Kirby
.0007
now 5
11
J.T. Ginn
.0007
now 3
01

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

If you already own them — trade angle
Hold · steadyGeorge Kirby — hold.conf 0.60
Sell HighJ.T. Ginn — sell high. His value is peaking; good time to trade him.conf 0.80
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