MLB Daily DeltaWeek 20 · August 7, 2026
Portrait of Caleb Kilian
Caleb Kilian
PHI · P
Change to
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Who's more valuable, rest of season

Caleb Kilian.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Caleb Kilian wins 3 categories (K, ERA, SV); Michael Petersen wins 1 (WHIP); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Caleb Kilian
96.8
Michael Petersen
97.8
Swinging-Strike %lg 11.0% · higher = better
Caleb Kilian
13.8%
Michael Petersen
14.0%
Strikeout %lg 22.0% · higher = better
Caleb Kilian
27.7%
Michael Petersen
29.2%
Chase %lg 28.5% · higher = better
Caleb Kilian
31.8%
Michael Petersen
32.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Kilian
36.1%
Michael Petersen
42.7%
Barrel % Allowedlg 8.0% · lower = better
Caleb Kilian
8.2%
Michael Petersen
10.9%
xwOBA Allowedlg .315 · lower = better
Caleb Kilian
.289
Michael Petersen
.285
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
3.234.03
lg xERA 4.10
now 3.81
3.45
Michael Petersen
3.234.03
lg xERA 4.10
now 3.63
3.69
WHIPlower is better
Caleb Kilian
1.041.41
now 1.15
1.33
Michael Petersen
1.041.41
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Caleb Kilian
4035.40
now 29
15
Michael Petersen
4035.40
now 23
13
Winshigher is better
Caleb Kilian
.0002.80
now 2
12
Michael Petersen
.0002.80
now 1
01
Saveshigher is better
Caleb Kilian
.0004.40
now 3
12
Michael Petersen
.0004.40
now 1
01
If you already own them — trade angle
Buy LowCaleb Kilian — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeMichael Petersen — hold.conf 0.50
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