MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Caleb Kilian
Caleb Kilian
PHI · P
Change to
Portrait of Erik Miller
Erik Miller
BOS · 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

Caleb Kilian wins 1 (WHIP); Erik Miller 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
Caleb Kilian
96.8
Erik Miller
96.8
Swinging-Strike %lg 11.0% · higher = better
Caleb Kilian
13.6%
Erik Miller
14.0%
Strikeout %lg 22.0% · higher = better
Caleb Kilian
26.8%
Erik Miller
32.6%
Chase %lg 28.5% · higher = better
Caleb Kilian
32.7%
Erik Miller
27.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Kilian
34.9%
Erik Miller
26.3%
Barrel % Allowedlg 8.0% · lower = better
Caleb Kilian
8.5%
Erik Miller
5.3%
xwOBA Allowedlg .315 · lower = better
Caleb Kilian
.292
Erik Miller
.275
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
Caleb Kilian
2.654.91
lg xERA 4.10
now 3.81
3.57
Erik Miller
2.654.91
lg xERA 4.10
now 4.41
3.15
WHIPlower is better
Caleb Kilian
1.051.51
now 1.15
1.32
Erik Miller
1.051.51
now 1.41
1.38

Volume · rest of season
Strikeoutshigher is better
Caleb Kilian
4040.60
now 29
0
Erik Miller
4040.60
now 24
0
Winshigher is better
Caleb Kilian
.0002.80
now 2
0–0
Erik Miller
.0002.80
now 0
0–0

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

If you already own them — trade angle
BuyCaleb Kilian — buy.conf 0.76
BuyErik Miller — buy.conf 0.89
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