MLB Daily DeltaWeek 18 · July 29, 2026
Portrait of David Peterson
David Peterson
CHC · P
Change to
Portrait of Gage Jump
Gage Jump
ATH · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
David Peterson
92.3
Gage Jump
96.3
Swinging-Strike %lg 11.0% · higher = better
David Peterson
9.8%
Gage Jump
11.6%
Strikeout %lg 22.0% · higher = better
David Peterson
18.0%
Gage Jump
24.9%
Chase %lg 28.5% · higher = better
David Peterson
28.9%
Gage Jump
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
David Peterson
43.5%
Gage Jump
43.1%
Barrel % Allowedlg 8.0% · lower = better
David Peterson
6.8%
Gage Jump
6.3%
xwOBA Allowedlg .315 · lower = better
David Peterson
.346
Gage Jump
.317
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
David Peterson
2.998.25
lg xERA 4.10
now 5.18
4.79
Gage Jump
2.998.25
lg xERA 4.10
now 7.20
4.19
WHIPlower is better
David Peterson
1.082.26
now 1.59
1.44
Gage Jump
1.082.26
now 2.00
1.34

Volume · rest of season
Strikeoutshigher is better
David Peterson
4076.40
now 56
48
Gage Jump
4076.40
now 5
36
Winshigher is better
David Peterson
.0004.20
now 3
23
Gage Jump
.0004.20
now 0
00

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

If you already own them — trade angle
SellDavid Peterson — sell.conf 0.87
Hold · steadyGage Jump — hold.conf 0.60
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