MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of George Kirby
George Kirby
SEA · P
Change to
Portrait of Justin Wrobleski
Justin Wrobleski
LAD · P
Change to
Who's more valuable, rest of season

George Kirby.

He projects to help you in more roto categories the rest of the way — strikeouts and ERA. Justin Wrobleski’s box score looks better right now, but it’s built on luck that won’t hold.

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

George Kirby wins 2 categories (K, ERA); Justin Wrobleski wins 1 (WHIP); 1 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
Justin Wrobleski
94.6
Swinging-Strike %lg 11.0% · higher = better
George Kirby
11.4%
Justin Wrobleski
10.2%
Strikeout %lg 22.0% · higher = better
George Kirby
19.9%
Justin Wrobleski
20.3%
Chase %lg 28.5% · higher = better
George Kirby
34.8%
Justin Wrobleski
31.8%
Hard-Hit % Allowedlg 40.0% · lower = better
George Kirby
40.3%
Justin Wrobleski
43.7%
Barrel % Allowedlg 8.0% · lower = better
George Kirby
6.9%
Justin Wrobleski
9.8%
xwOBA Allowedlg .315 · lower = better
George Kirby
.310
Justin Wrobleski
.333
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
2.215.17
lg xERA 4.10
now 3.77
4.04
Justin Wrobleski
2.215.17
lg xERA 4.10
now 2.87
4.51
WHIPlower is better
George Kirby
.9001.49
now 1.22
1.35
Justin Wrobleski
.9001.49
now 1.01
1.20

Volume · rest of season
Strikeoutshigher is better
George Kirby
4079.40
now 59
11
Justin Wrobleski
4079.40
now 40
8
Winshigher is better
George Kirby
.0009.40
now 5
11
Justin Wrobleski
.0009.40
now 7
12

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

If you already own them — trade angle
Hold · steadyGeorge Kirby — hold.conf 0.60
Sell HighJustin Wrobleski — sell high. His value is peaking; good time to trade him.conf 0.95
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