MLB Daily DeltaWeek 13 · June 20, 2026
Aaron Civale
ATH · P
Change to
Portrait of David Peterson
David Peterson
NYM · P
Change to
Who's more valuable, rest of season

Too close to call.

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

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

Aaron Civale wins 2 (WHIP, W); David Peterson wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Aaron Civale
91.1
David Peterson
92.2
Swinging-Strike %lg 11.0% · higher = better
Aaron Civale
9.2%
David Peterson
10.3%
Strikeout %lg 22.0% · higher = better
Aaron Civale
15.4%
David Peterson
19.4%
Chase %lg 28.5% · higher = better
Aaron Civale
28.9%
David Peterson
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Aaron Civale
48.0%
David Peterson
43.3%
Barrel % Allowedlg 8.0% · lower = better
Aaron Civale
9.8%
David Peterson
6.7%
xwOBA Allowedlg .315 · lower = better
Aaron Civale
.360
David Peterson
.339
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
Aaron Civale
3.815.57
lg xERA 4.10
now 4.20
5.00
David Peterson
3.815.57
lg xERA 4.10
now 5.18
4.54
WHIPlower is better
Aaron Civale
1.321.67
now 1.47
1.40
David Peterson
1.321.67
now 1.59
1.44

Volume · rest of season
Strikeoutshigher is better
Aaron Civale
40104.80
now 39
67
David Peterson
40104.80
now 56
86
Winshigher is better
Aaron Civale
.20012.80
now 5
510
David Peterson
.20012.80
now 3
36

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

If you already own them — trade angle
SellAaron Civale — sell.conf 0.90
SellDavid Peterson — sell.conf 0.75
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