MLB Daily DeltaWeek 25 · September 10, 2026
George Klassen
LAA · P
Change to
Robert Stock
NYM · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

George Klassen wins 0 (none); Robert Stock wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
George Klassen
96.4
Robert Stock
95.7
Swinging-Strike %lg 11.0% · higher = better
George Klassen
14.3%
Robert Stock
12.1%
Strikeout %lg 22.0% · higher = better
George Klassen
19.2%
Robert Stock
19.7%
Chase %lg 28.5% · higher = better
George Klassen
25.4%
Robert Stock
29.0%
Hard-Hit % Allowedlg 40.0% · lower = better
George Klassen
45.6%
Robert Stock
31.4%
Barrel % Allowedlg 8.0% · lower = better
George Klassen
8.9%
Robert Stock
7.0%
xwOBA Allowedlg .315 · lower = better
George Klassen
.358
Robert Stock
.327
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 Klassen
28.25
lg xERA 4.10
now 7.27
4.10
Robert Stock
28.25
lg xERA 4.10
now 1.80
4.10
WHIPlower is better
George Klassen
.9002.55
now 2.88
1.30
Robert Stock
.9002.55
now 0.60
1.30

Volume · rest of season
Strikeoutshigher is better
George Klassen
4014.60
now 9
9
Robert Stock
4014.60
now 4
9
Winshigher is better
George Klassen
.000.480
now 0
00
Robert Stock
.000.480
now 0
00

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

If you already own them — trade angle
Sell HighGeorge Klassen — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeRobert Stock — hold.conf 0.55
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