MLB Daily DeltaWeek 27 · September 29, 2026
Portrait of Brandon Eisert
Brandon Eisert
PIT · 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 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Brandon Eisert wins 1 (WHIP); Michael Petersen wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brandon Eisert
90.0
Michael Petersen
98.0
Swinging-Strike %lg 11.0% · higher = better
Brandon Eisert
14.1%
Michael Petersen
15.3%
Strikeout %lg 22.0% · higher = better
Brandon Eisert
25.9%
Michael Petersen
30.1%
Chase %lg 28.5% · higher = better
Brandon Eisert
29.8%
Michael Petersen
33.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Brandon Eisert
39.2%
Michael Petersen
43.2%
Barrel % Allowedlg 8.0% · lower = better
Brandon Eisert
6.4%
Michael Petersen
12.3%
xwOBA Allowedlg .315 · lower = better
Brandon Eisert
.299
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
Brandon Eisert
3.234.08
lg xERA 4.10
now 3.86
3.70
Michael Petersen
3.234.08
lg xERA 4.10
now 3.63
3.45
WHIPlower is better
Brandon Eisert
1.021.47
now 1.37
1.24
Michael Petersen
1.021.47
now 1.12
1.28

Volume · rest of season
Strikeoutshigher is better
Brandon Eisert
4032.20
now 11
0
Michael Petersen
4032.20
now 23
0
Winshigher is better
Brandon Eisert
.0001.48
now 1
0–0
Michael Petersen
.0001.48
now 1
0–0

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

If you already own them — trade angle
Buy LowBrandon Eisert — buy low. The dip is a window to acquire.conf 0.90
Sell HighMichael Petersen — sell high. His value is peaking; good time to trade him.conf 0.82
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