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

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Caleb Kilian wins 2 (ERA, SV); Mitchell Parker wins 2 (K, WHIP); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Caleb Kilian
96.8
Mitchell Parker
93.6
Swinging-Strike %lg 11.0% · higher = better
Caleb Kilian
13.8%
Mitchell Parker
14.1%
Strikeout %lg 22.0% · higher = better
Caleb Kilian
27.7%
Mitchell Parker
19.1%
Chase %lg 28.5% · higher = better
Caleb Kilian
31.8%
Mitchell Parker
32.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Kilian
36.1%
Mitchell Parker
41.9%
Barrel % Allowedlg 8.0% · lower = better
Caleb Kilian
8.2%
Mitchell Parker
8.5%
xwOBA Allowedlg .315 · lower = better
Caleb Kilian
.289
Mitchell Parker
.347
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
2.726.01
lg xERA 4.10
now 3.81
3.45
Mitchell Parker
2.726.01
lg xERA 4.10
now 5.28
3.82
WHIPlower is better
Caleb Kilian
1.081.40
now 1.15
1.33
Mitchell Parker
1.081.40
now 1.17
1.25

Volume · rest of season
Strikeoutshigher is better
Caleb Kilian
4034.60
now 29
15
Mitchell Parker
4034.60
now 26
18
Winshigher is better
Caleb Kilian
.5202.48
now 2
12
Mitchell Parker
.5202.48
now 2
12
Saveshigher is better
Caleb Kilian
.0004.40
now 3
12
Mitchell Parker
.0004.40
now 1
11
If you already own them — trade angle
Buy LowCaleb Kilian — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeMitchell Parker — hold.conf 0.55
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