MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Andrés Muñoz
Andrés Muñoz
SEA · P
Change to
Portrait of Devin Williams
Devin Williams
NYM · P
Change to
Who's more valuable, rest of season

Devin Williams.

He projects to help you in more roto categories the rest of the way — strikeouts. Andrés Muñoz’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

Devin Williams wins 1 categories (K); Andrés Muñoz wins 0 (none); 4 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Andrés Muñoz
99.3
Devin Williams
93.9
Swinging-Strike %lg 11.0% · higher = better
Andrés Muñoz
18.9%
Devin Williams
17.6%
Strikeout %lg 22.0% · higher = better
Andrés Muñoz
34.5%
Devin Williams
29.6%
Chase %lg 28.5% · higher = better
Andrés Muñoz
36.6%
Devin Williams
38.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Andrés Muñoz
42.0%
Devin Williams
30.7%
Barrel % Allowedlg 8.0% · lower = better
Andrés Muñoz
8.6%
Devin Williams
5.7%
xwOBA Allowedlg .315 · lower = better
Andrés Muñoz
.300
Devin Williams
.291
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
Andrés Muñoz
3.026.08
lg xERA 4.10
now 4.76
3.70
Devin Williams
3.026.08
lg xERA 4.10
now 5.40
3.70
WHIPlower is better
Andrés Muñoz
1.121.67
now 1.28
1.24
Devin Williams
1.121.67
now 1.55
1.24

Volume · rest of season
Strikeoutshigher is better
Andrés Muñoz
4040.60
now 35
31
Devin Williams
4040.60
now 31
35
Winshigher is better
Andrés Muñoz
1.204.80
now 3
24
Devin Williams
1.204.80
now 3
24
Saveshigher is better
Andrés Muñoz
2.6013.40
now 9
611
Devin Williams
2.6013.40
now 8
510
If you already own them — trade angle
Buy LowAndrés Muñoz — buy low. The dip is a window to acquire.conf 0.74
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
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