MLB Daily DeltaWeek 19 · August 3, 2026
Portrait of Jacob Webb
Jacob Webb
CHC · P
Change to
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Who's more valuable, rest of season

Michael Petersen.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Jacob Webb’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV

Michael Petersen wins 2 categories (ERA, WHIP); Jacob Webb wins 1 (K); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jacob Webb
94.2
Michael Petersen
97.8
Swinging-Strike %lg 11.0% · higher = better
Jacob Webb
16.9%
Michael Petersen
13.9%
Strikeout %lg 22.0% · higher = better
Jacob Webb
27.3%
Michael Petersen
28.7%
Chase %lg 28.5% · higher = better
Jacob Webb
34.0%
Michael Petersen
32.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Jacob Webb
44.7%
Michael Petersen
43.1%
Barrel % Allowedlg 8.0% · lower = better
Jacob Webb
6.8%
Michael Petersen
11.0%
xwOBA Allowedlg .315 · lower = better
Jacob Webb
.306
Michael Petersen
.287
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
Jacob Webb
2.034.36
lg xERA 4.10
now 2.55
3.84
Michael Petersen
2.034.36
lg xERA 4.10
now 3.63
3.69
WHIPlower is better
Jacob Webb
1.031.43
now 1.34
1.25
Michael Petersen
1.031.43
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Jacob Webb
4037.80
now 31
19
Michael Petersen
4037.80
now 23
14
Winshigher is better
Jacob Webb
.0001.48
now 1
01
Michael Petersen
.0001.48
now 1
01
Saveshigher is better
Jacob Webb
.0002.40
now 1
01
Michael Petersen
.0002.40
now 1
01
If you already own them — trade angle
Hold · leans buyJacob Webb — hold.conf 0.60
Hold · wait & seeMichael Petersen — hold.conf 0.50
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