MLB Daily DeltaWeek 28 · October 7, 2026
Portrait of David Peterson
David Peterson
CHC · P
Change to
Ryan Feltner
COL · P
Change to
Who's more valuable, rest of season

David Peterson.

He projects to help you in more roto categories the rest of the way — ERA.

Head-to-head
K
◀
ERA
WHIP
W
SV n/a

David Peterson wins 1 categories (ERA); Ryan Feltner wins 0 (none); 3 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
David Peterson
92.5
Ryan Feltner
94.8
Swinging-Strike %lg 11.0% · higher = better
David Peterson
10.5%
Ryan Feltner
11.6%
Strikeout %lg 22.0% · higher = better
David Peterson
20.7%
Ryan Feltner
16.8%
Chase %lg 28.5% · higher = better
David Peterson
28.8%
Ryan Feltner
27.2%
Hard-Hit % Allowedlg 40.0% · lower = better
David Peterson
39.6%
Ryan Feltner
35.9%
Barrel % Allowedlg 8.0% · lower = better
David Peterson
6.3%
Ryan Feltner
9.5%
xwOBA Allowedlg .315 · lower = better
David Peterson
.333
Ryan Feltner
.337
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
4.275.44
lg xERA 4.10
now 5.18
4.53
Ryan Feltner
4.275.44
lg xERA 4.10
now 4.85
4.61
WHIPlower is better
David Peterson
1.201.70
now 1.59
1.44
Ryan Feltner
1.201.70
now 1.31
1.44

Volume · rest of season
Strikeoutshigher is better
David Peterson
4078.40
now 56
0
Ryan Feltner
4078.40
now 19
0
Winshigher is better
David Peterson
.0004.20
now 3
0–0
Ryan Feltner
.0004.20
now 2
0–0

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

If you already own them — trade angle
SellDavid Peterson — sell.conf 0.75
SellRyan Feltner — sell.conf 0.79
Tweet