MLB Daily DeltaWeek 25 · September 11, 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 — ERA, WHIP, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Mason Miller wins 3 categories (ERA, WHIP, SV); Devin Williams wins 1 (W); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Devin Williams
93.9
Mason Miller
101.5
Swinging-Strike %lg 11.0% · higher = better
Devin Williams
17.7%
Mason Miller
21.9%
Strikeout %lg 22.0% · higher = better
Devin Williams
28.7%
Mason Miller
48.5%
Chase %lg 28.5% · higher = better
Devin Williams
39.0%
Mason Miller
36.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Devin Williams
29.2%
Mason Miller
28.9%
Barrel % Allowedlg 8.0% · lower = better
Devin Williams
4.7%
Mason Miller
5.2%
xwOBA Allowedlg .315 · lower = better
Devin Williams
.282
Mason Miller
.187
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
1.48
WHIPlower is better
Devin Williams
.9001.83
now 1.55
1.24
Mason Miller
.9001.83
now 0.84
0.95

Volume · rest of season
Strikeoutshigher is better
Devin Williams
4065.40
now 31
8
Mason Miller
4065.40
now 49
8
Winshigher is better
Devin Williams
.0004.20
now 3
01
Mason Miller
.0004.20
now 1
00
Saveshigher is better
Devin Williams
.00023.40
now 8
12
Mason Miller
.00023.40
now 17
24
If you already own them — trade angle
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
BuyMason Miller — buy.conf 0.92
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