MLB Daily DeltaWeek 18 · July 23, 2026
Portrait of David Peterson
David Peterson
CHC · P
Change to
Hunter Dobbins
STL · 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); Hunter Dobbins 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
Hunter Dobbins
95.5
Swinging-Strike %lg 11.0% · higher = better
David Peterson
10.0%
Hunter Dobbins
10.8%
Strikeout %lg 22.0% · higher = better
David Peterson
18.2%
Hunter Dobbins
24.2%
Chase %lg 28.5% · higher = better
David Peterson
29.0%
Hunter Dobbins
25.3%
Hard-Hit % Allowedlg 40.0% · lower = better
David Peterson
43.3%
Hunter Dobbins
48.4%
Barrel % Allowedlg 8.0% · lower = better
David Peterson
6.5%
Hunter Dobbins
11.3%
xwOBA Allowedlg .315 · lower = better
David Peterson
.349
Hunter Dobbins
.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
David Peterson
3.675.61
lg xERA 4.10
now 5.18
4.84
Hunter Dobbins
3.675.61
lg xERA 4.10
now 4.50
4.10
WHIPlower is better
David Peterson
1.181.71
now 1.59
1.45
Hunter Dobbins
1.181.71
now 1.38
1.30

Volume · rest of season
Strikeoutshigher is better
David Peterson
4075.20
now 56
53
Hunter Dobbins
4075.20
now 8
32
Winshigher is better
David Peterson
.0005.60
now 3
24
Hunter Dobbins
.0005.60
now 0
00

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

If you already own them — trade angle
SellDavid Peterson — sell.conf 0.89
Hold · wait & seeHunter Dobbins — hold.conf 0.50
Tweet