MLB Daily DeltaWeek 15 · July 2, 2026
Portrait of Devin Williams
Devin Williams
NYM · P
Change to
Kenley Jansen
DET · 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.

Head-to-head
K
ERA
WHIP
W
SV

Devin Williams wins 2 categories (K, W); Kenley Jansen wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Devin Williams
93.8
Kenley Jansen
93.7
Swinging-Strike %lg 11.0% · higher = better
Devin Williams
18.6%
Kenley Jansen
13.1%
Strikeout %lg 22.0% · higher = better
Devin Williams
32.3%
Kenley Jansen
27.1%
Chase %lg 28.5% · higher = better
Devin Williams
37.4%
Kenley Jansen
27.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Devin Williams
24.3%
Kenley Jansen
31.4%
Barrel % Allowedlg 8.0% · lower = better
Devin Williams
5.7%
Kenley Jansen
7.8%
xwOBA Allowedlg .315 · lower = better
Devin Williams
.274
Kenley Jansen
.306
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
3.026.08
lg xERA 4.10
now 5.40
3.70
Kenley Jansen
3.026.08
lg xERA 4.10
now 4.80
3.70
WHIPlower is better
Devin Williams
1.061.69
now 1.55
1.24
Kenley Jansen
1.061.69
now 1.20
1.24

Volume · rest of season
Strikeoutshigher is better
Devin Williams
4054
now 31
44
Kenley Jansen
4054
now 19
36
Winshigher is better
Devin Williams
.0006.60
now 3
25
Kenley Jansen
.0006.60
now 1
12
Saveshigher is better
Devin Williams
4.2016.80
now 8
713
Kenley Jansen
4.2016.80
now 7
814
If you already own them — trade angle
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeKenley Jansen — hold.conf 0.50
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