MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of Devin Williams
Devin Williams
NYM · P
Change to
Portrait of Paul Sewald
Paul Sewald
AZ · 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 and wins. Paul Sewald’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV

Devin Williams wins 2 categories (K, W); Paul Sewald wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Devin Williams
93.9
Paul Sewald
91.4
Swinging-Strike %lg 11.0% · higher = better
Devin Williams
17.6%
Paul Sewald
14.4%
Strikeout %lg 22.0% · higher = better
Devin Williams
29.6%
Paul Sewald
28.4%
Chase %lg 28.5% · higher = better
Devin Williams
38.3%
Paul Sewald
30.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Devin Williams
30.7%
Paul Sewald
41.8%
Barrel % Allowedlg 8.0% · lower = better
Devin Williams
5.7%
Paul Sewald
13.2%
xwOBA Allowedlg .315 · lower = better
Devin Williams
.291
Paul Sewald
.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
Devin Williams
2.926.11
lg xERA 4.10
now 5.40
3.70
Paul Sewald
2.926.11
lg xERA 4.10
now 3.63
3.70
WHIPlower is better
Devin Williams
.9001.88
now 1.55
1.24
Paul Sewald
.9001.88
now 0.72
1.24

Volume · rest of season
Strikeoutshigher is better
Devin Williams
4040.60
now 31
35
Paul Sewald
4040.60
now 24
21
Winshigher is better
Devin Williams
.0005.20
now 3
24
Paul Sewald
.0005.20
now 1
11
Saveshigher is better
Devin Williams
.20021.80
now 8
510
Paul Sewald
.20021.80
now 15
917
If you already own them — trade angle
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seePaul Sewald — hold.conf 0.50
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