MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of Joey Cantillo
Joey Cantillo
CLE · 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 (WHIP); Joey Cantillo 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
George Kirby
96.7
Joey Cantillo
92.2
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.7%
Joey Cantillo
12.9%
Strikeout %lg 22.0% · higher = better
George Kirby
20.0%
Joey Cantillo
24.9%
Chase %lg 28.5% · higher = better
George Kirby
34.3%
Joey Cantillo
27.5%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
40.1%
Joey Cantillo
39.4%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.6%
Joey Cantillo
7.5%
xwOBA Allowedlg .315 · lower = better
George Kirby
.315
Joey Cantillo
.308
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
3.334.41
lg xERA 4.10
now 3.77
4.17
Joey Cantillo
3.334.41
lg xERA 4.10
now 3.57
4.00
WHIPlower is better
George Kirby
1.141.50
now 1.22
1.39
Joey Cantillo
1.141.50
now 1.40
1.42

Volume · rest of season
Strikeoutshigher is better
George Kirby
4082.60
now 59
0
Joey Cantillo
4082.60
now 52
0
Winshigher is better
George Kirby
.0007
now 5
0–0
Joey Cantillo
.0007
now 4
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 · steadyJoey Cantillo — hold.conf 0.60
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