MLB Daily DeltaWeek 15 · July 8, 2026
Portrait of Brooks Raley
Brooks Raley
NYM · 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 11, 3 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Brooks Raley wins 1 (K); Michael Petersen wins 1 (SV); 3 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brooks Raley
90.0
Michael Petersen
97.6
Swinging-Strike %lg 11.0% · higher = better
Brooks Raley
11.4%
Michael Petersen
14.2%
Strikeout %lg 22.0% · higher = better
Brooks Raley
26.1%
Michael Petersen
30.3%
Chase %lg 28.5% · higher = better
Brooks Raley
30.3%
Michael Petersen
31.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Brooks Raley
30.2%
Michael Petersen
47.2%
Barrel % Allowedlg 8.0% · lower = better
Brooks Raley
5.8%
Michael Petersen
12.4%
xwOBA Allowedlg .315 · lower = better
Brooks Raley
.296
Michael Petersen
.293
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
Brooks Raley
24.54
lg xERA 4.10
now 1.61
3.70
Michael Petersen
24.54
lg xERA 4.10
now 3.63
3.70
WHIPlower is better
Brooks Raley
1.051.32
now 1.25
1.24
Michael Petersen
1.051.32
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Brooks Raley
4033.60
now 26
28
Michael Petersen
4033.60
now 23
21
Winshigher is better
Brooks Raley
.5202.48
now 1
12
Michael Petersen
.5202.48
now 1
12
Saveshigher is better
Brooks Raley
.0003.40
now 0
0
Michael Petersen
.0003.40
now 1
02
If you already own them — trade angle
Hold · wait & seeBrooks Raley — hold.conf 0.50
Sell HighMichael Petersen — sell high. His value is peaking; good time to trade him.conf 0.73
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