MLB Daily DeltaWeek 13 · June 19, 2026
Jimmy Herget
COL · P
Change to
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Jimmy Herget wins 2 (K, SV); Michael Petersen wins 2 (ERA, W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jimmy Herget
92.3
Michael Petersen
97.5
Swinging-Strike %lg 11.0% · higher = better
Jimmy Herget
15.3%
Michael Petersen
13.9%
Strikeout %lg 22.0% · higher = better
Jimmy Herget
25.3%
Michael Petersen
30.3%
Chase %lg 28.5% · higher = better
Jimmy Herget
32.7%
Michael Petersen
29.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jimmy Herget
43.1%
Michael Petersen
42.9%
Barrel % Allowedlg 8.0% · lower = better
Jimmy Herget
11.8%
Michael Petersen
11.4%
xwOBA Allowedlg .315 · lower = better
Jimmy Herget
.312
Michael Petersen
.273
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
Jimmy Herget
3.065.63
lg xERA 4.10
now 5.06
3.70
Michael Petersen
3.065.63
lg xERA 4.10
now 3.63
3.68
WHIPlower is better
Jimmy Herget
1.021.48
now 1.38
1.24
Michael Petersen
1.021.48
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Jimmy Herget
4035.60
now 17
30
Michael Petersen
4035.60
now 23
27
Winshigher is better
Jimmy Herget
.0002.80
now 0
00
Michael Petersen
.0002.80
now 1
12
Saveshigher is better
Jimmy Herget
.0004.40
now 1
13
Michael Petersen
.0004.40
now 1
13
If you already own them — trade angle
Buy LowJimmy Herget — buy low. The dip is a window to acquire.conf 0.84
Hold · wait & seeMichael Petersen — hold.conf 0.50
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