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

Mason Miller.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, WHIP, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Mason Miller wins 4 categories (K, ERA, WHIP, SV); Devin Williams wins 1 (W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Devin Williams
93.9
Mason Miller
101.3
Swinging-Strike %lg 11.0% · higher = better
Devin Williams
17.6%
Mason Miller
22.5%
Strikeout %lg 22.0% · higher = better
Devin Williams
29.6%
Mason Miller
48.4%
Chase %lg 28.5% · higher = better
Devin Williams
38.3%
Mason Miller
37.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Devin Williams
30.7%
Mason Miller
23.1%
Barrel % Allowedlg 8.0% · lower = better
Devin Williams
5.7%
Mason Miller
3.1%
xwOBA Allowedlg .315 · lower = better
Devin Williams
.291
Mason Miller
.178
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
Devin Williams
27.27
lg xERA 4.10
now 5.40
3.70
Mason Miller
27.27
lg xERA 4.10
now 0.72
3.59
WHIPlower is better
Devin Williams
.9001.83
now 1.55
1.24
Mason Miller
.9001.83
now 0.84
1.23

Volume · rest of season
Strikeoutshigher is better
Devin Williams
4056.20
now 31
35
Mason Miller
4056.20
now 49
38
Winshigher is better
Devin Williams
.0005.20
now 3
24
Mason Miller
.0005.20
now 1
11
Saveshigher is better
Devin Williams
.00024.60
now 8
510
Mason Miller
.00024.60
now 17
1019
If you already own them — trade angle
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeMason Miller — hold.conf 0.50
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