MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of Shane Baz
Shane Baz
BAL · 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

George Kirby wins 1 (ERA); Shane Baz 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
Shane Baz
95.8
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.7%
Shane Baz
10.4%
Strikeout %lg 22.0% · higher = better
George Kirby
20.0%
Shane Baz
20.0%
Chase %lg 28.5% · higher = better
George Kirby
34.3%
Shane Baz
29.9%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
40.1%
Shane Baz
41.2%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.6%
Shane Baz
6.8%
xwOBA Allowedlg .315 · lower = better
George Kirby
.315
Shane Baz
.317
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
3.494.76
lg xERA 4.10
now 3.77
4.17
Shane Baz
3.494.76
lg xERA 4.10
now 4.48
4.20
WHIPlower is better
George Kirby
1.141.51
now 1.22
1.39
Shane Baz
1.141.51
now 1.43
1.38

Volume · rest of season
Strikeoutshigher is better
George Kirby
4082.60
now 59
0
Shane Baz
4082.60
now 57
0
Winshigher is better
George Kirby
.0007
now 5
0–0
Shane Baz
.0007
now 2
0–0

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

If you already own them — trade angle
Hold · steadyGeorge Kirby — hold.conf 0.60
Hold · leans sellShane Baz — hold.conf 0.60
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