MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of Peter Lambert
Peter Lambert
HOU · 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 (K, WHIP); Peter Lambert wins 2 (ERA, 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
Peter Lambert
94.2
Swinging-Strike %lg 11.0% · higher = better
George Kirby
10.9%
Peter Lambert
11.9%
Strikeout %lg 22.0% · higher = better
George Kirby
21.1%
Peter Lambert
22.1%
Chase %lg 28.5% · higher = better
George Kirby
34.3%
Peter Lambert
28.7%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
41.8%
Peter Lambert
39.1%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.2%
Peter Lambert
6.3%
xwOBA Allowedlg .315 · lower = better
George Kirby
.298
Peter Lambert
.294
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
3.273.99
lg xERA 4.10
now 3.77
3.59
Peter Lambert
3.273.99
lg xERA 4.10
now 3.77
3.49
WHIPlower is better
George Kirby
1.141.40
now 1.22
1.31
Peter Lambert
1.141.40
now 1.21
1.33

Volume · rest of season
Strikeoutshigher is better
George Kirby
4092
now 59
78
Peter Lambert
4092
now 43
70
Winshigher is better
George Kirby
1.6012.40
now 5
49
Peter Lambert
1.6012.40
now 4
510

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

If you already own them — trade angle
Buy LowGeorge Kirby — buy low. The dip is a window to acquire.conf 0.75
BuyPeter Lambert — buy.conf 0.78
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