MLB Daily DeltaWeek 27 · September 30, 2026
Alan Rangel
PHI · 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

Alan Rangel 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
Alan Rangel
92.9
Michael Petersen
98.0
Swinging-Strike %lg 11.0% · higher = better
Alan Rangel
12.2%
Michael Petersen
15.3%
Strikeout %lg 22.0% · higher = better
Alan Rangel
23.6%
Michael Petersen
30.1%
Chase %lg 28.5% · higher = better
Alan Rangel
33.5%
Michael Petersen
33.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Alan Rangel
30.4%
Michael Petersen
43.2%
Barrel % Allowedlg 8.0% · lower = better
Alan Rangel
5.1%
Michael Petersen
12.3%
xwOBA Allowedlg .315 · lower = better
Alan Rangel
.317
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
Alan Rangel
24.28
lg xERA 4.10
now 2.25
3.70
Michael Petersen
24.28
lg xERA 4.10
now 3.63
3.45
WHIPlower is better
Alan Rangel
.9001.39
now 1.00
1.24
Michael Petersen
.9001.39
now 1.12
1.28

Volume · rest of season
Strikeoutshigher is better
Alan Rangel
4032.20
now 9
0
Michael Petersen
4032.20
now 23
0
Winshigher is better
Alan Rangel
.0001.48
now 0
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 LowAlan Rangel — 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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