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

Michael Petersen.

He projects to help you in more roto categories the rest of the way — strikeouts and WHIP. Grant Anderson’s box score looks better right now, but the luck-stripped projection flips it.

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

Michael Petersen wins 2 categories (K, WHIP); Grant Anderson wins 1 (ERA); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Grant Anderson
93.5
Michael Petersen
97.9
Swinging-Strike %lg 11.0% · higher = better
Grant Anderson
12.3%
Michael Petersen
14.8%
Strikeout %lg 22.0% · higher = better
Grant Anderson
22.1%
Michael Petersen
28.7%
Chase %lg 28.5% · higher = better
Grant Anderson
29.1%
Michael Petersen
33.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Grant Anderson
37.1%
Michael Petersen
42.1%
Barrel % Allowedlg 8.0% · lower = better
Grant Anderson
7.5%
Michael Petersen
11.4%
xwOBA Allowedlg .315 · lower = better
Grant Anderson
.275
Michael Petersen
.289
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
Grant Anderson
2.174.05
lg xERA 4.10
now 2.59
3.13
Michael Petersen
2.174.05
lg xERA 4.10
now 3.63
3.48
WHIPlower is better
Grant Anderson
.9001.45
now 0.99
1.32
Michael Petersen
.9001.45
now 1.12
1.29

Volume · rest of season
Strikeoutshigher is better
Grant Anderson
4031
now 18
3
Michael Petersen
4031
now 23
4
Winshigher is better
Grant Anderson
.0001.48
now 1
00
Michael Petersen
.0001.48
now 1
00

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

If you already own them — trade angle
BuyGrant Anderson — buy.conf 0.89
BuyMichael Petersen — buy.conf 0.79
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