MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Dustin May
Dustin May
STL · P
Change to
Portrait of George Kirby
George Kirby
SEA · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Dustin May
96.9
George Kirby
96.7
Swinging-Strike %lg 11.0% · higher = better
Dustin May
10.5%
George Kirby
10.9%
Strikeout %lg 22.0% · higher = better
Dustin May
22.8%
George Kirby
21.1%
Chase %lg 28.5% · higher = better
Dustin May
31.1%
George Kirby
34.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Dustin May
46.7%
George Kirby
41.8%
Barrel % Allowedlg 8.0% · lower = better
Dustin May
6.6%
George Kirby
6.2%
xwOBA Allowedlg .315 · lower = better
Dustin May
.289
George Kirby
.298
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
Dustin May
2.885.05
lg xERA 4.10
now 4.57
3.36
George Kirby
2.885.05
lg xERA 4.10
now 3.77
3.59
WHIPlower is better
Dustin May
1.151.38
now 1.30
1.27
George Kirby
1.151.38
now 1.22
1.31

Volume · rest of season
Strikeoutshigher is better
Dustin May
40.2088.80
now 51
72
George Kirby
40.2088.80
now 59
78
Winshigher is better
Dustin May
.60011.40
now 3
36
George Kirby
.60011.40
now 5
49

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

If you already own them — trade angle
BuyDustin May — buy.conf 0.82
Buy LowGeorge Kirby — buy low. The dip is a window to acquire.conf 0.75
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