MLB Daily DeltaWeek 16 · July 11, 2026
Portrait of Andrew Alvarez
Andrew Alvarez
WSH · P
Change to
Portrait of Michael Petersen
Michael Petersen
MIA · P
Change to
Who's more valuable, rest of season

Andrew Alvarez.

He projects to help you in more roto categories the rest of the way — strikeouts, wins, and saves. Michael Petersen’s box score looks better right now, but it’s built on luck that won’t hold.

Head-to-head
K
ERA
WHIP
W
SV

Andrew Alvarez wins 3 categories (K, W, SV); Michael Petersen wins 2 (ERA, WHIP).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Andrew Alvarez
92.4
Michael Petersen
97.7
Swinging-Strike %lg 11.0% · higher = better
Andrew Alvarez
12.4%
Michael Petersen
13.9%
Strikeout %lg 22.0% · higher = better
Andrew Alvarez
25.4%
Michael Petersen
30.4%
Chase %lg 28.5% · higher = better
Andrew Alvarez
31.2%
Michael Petersen
32.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrew Alvarez
41.7%
Michael Petersen
46.2%
Barrel % Allowedlg 8.0% · lower = better
Andrew Alvarez
4.7%
Michael Petersen
11.8%
xwOBA Allowedlg .315 · lower = better
Andrew Alvarez
.313
Michael Petersen
.284
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
Andrew Alvarez
3.414.24
lg xERA 4.10
now 4.02
3.95
Michael Petersen
3.414.24
lg xERA 4.10
now 3.63
3.69
WHIPlower is better
Andrew Alvarez
1.031.44
now 1.28
1.35
Michael Petersen
1.031.44
now 1.12
1.24

Volume · rest of season
Strikeoutshigher is better
Andrew Alvarez
4047.80
now 17
39
Michael Petersen
4047.80
now 23
20
Winshigher is better
Andrew Alvarez
.0005.20
now 1
14
Michael Petersen
.0005.20
now 1
12
Saveshigher is better
Andrew Alvarez
.0005.60
now 1
14
Michael Petersen
.0005.60
now 1
02
If you already own them — trade angle
Hold · steadyAndrew Alvarez — hold.conf 0.60
Sell HighMichael Petersen — sell high. His value is peaking; good time to trade him.conf 0.71
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