MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Chris Sale
Chris Sale
ATL · P
Change to
Portrait of David Peterson
David Peterson
CHC · P
Change to
Who's more valuable, rest of season

Chris Sale.

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

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

Chris Sale wins 4 categories (K, ERA, WHIP, W); David Peterson wins 0 (none); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Chris Sale
96.1
David Peterson
92.3
Swinging-Strike %lg 11.0% · higher = better
Chris Sale
15.4%
David Peterson
9.8%
Strikeout %lg 22.0% · higher = better
Chris Sale
29.7%
David Peterson
18.0%
Chase %lg 28.5% · higher = better
Chris Sale
36.0%
David Peterson
28.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Chris Sale
33.5%
David Peterson
43.5%
Barrel % Allowedlg 8.0% · lower = better
Chris Sale
5.7%
David Peterson
6.8%
xwOBA Allowedlg .315 · lower = better
Chris Sale
.277
David Peterson
.346
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
Chris Sale
26.45
lg xERA 4.10
now 2.01
3.18
David Peterson
26.45
lg xERA 4.10
now 5.18
4.79
WHIPlower is better
Chris Sale
.9001.85
now 0.94
1.13
David Peterson
.9001.85
now 1.59
1.44

Volume · rest of season
Strikeoutshigher is better
Chris Sale
4093.20
now 80
59
David Peterson
4093.20
now 56
47
Winshigher is better
Chris Sale
.00010.40
now 8
48
David Peterson
.00010.40
now 3
23

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

If you already own them — trade angle
BuyChris Sale — buy.conf 0.88
SellDavid Peterson — sell.conf 0.87
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