MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Portrait of Trevor Richards
Trevor Richards
CWS · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV n/a

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Michael Petersen
97.9
Trevor Richards
91.9
Swinging-Strike %lg 11.0% · higher = better
Michael Petersen
14.8%
Trevor Richards
10.7%
Strikeout %lg 22.0% · higher = better
Michael Petersen
28.7%
Trevor Richards
22.5%
Chase %lg 28.5% · higher = better
Michael Petersen
33.7%
Trevor Richards
30.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Michael Petersen
42.1%
Trevor Richards
39.3%
Barrel % Allowedlg 8.0% · lower = better
Michael Petersen
11.4%
Trevor Richards
7.5%
xwOBA Allowedlg .315 · lower = better
Michael Petersen
.289
Trevor Richards
.298
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
Michael Petersen
2.626.49
lg xERA 4.10
now 3.63
3.48
Trevor Richards
2.626.49
lg xERA 4.10
now 5.63
3.71
WHIPlower is better
Michael Petersen
1.051.36
now 1.12
1.29
Trevor Richards
1.051.36
now 1.19
1.25

Volume · rest of season
Strikeoutshigher is better
Michael Petersen
4030.60
now 23
4
Trevor Richards
4030.60
now 14
4
Winshigher is better
Michael Petersen
.0001.48
now 1
00
Trevor Richards
.0001.48
now 0
00

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

If you already own them — trade angle
BuyMichael Petersen — buy.conf 0.79
Sell HighTrevor Richards — sell high. His value is peaking; good time to trade him.conf 0.80
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