MLB Daily DeltaWeek 17 · July 19, 2026
Portrait of Devin Williams
Devin Williams
NYM · P
Change to
Portrait of Lucas Erceg
Lucas Erceg
KC · 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 WHIP.

Head-to-head
K
ERA
WHIP
W
SV

Devin Williams wins 2 categories (K, WHIP); Lucas Erceg 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
Lucas Erceg
97.2
Swinging-Strike %lg 11.0% · higher = better
Devin Williams
17.6%
Lucas Erceg
10.1%
Strikeout %lg 22.0% · higher = better
Devin Williams
29.6%
Lucas Erceg
15.8%
Chase %lg 28.5% · higher = better
Devin Williams
38.3%
Lucas Erceg
28.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Devin Williams
30.7%
Lucas Erceg
40.0%
Barrel % Allowedlg 8.0% · lower = better
Devin Williams
5.7%
Lucas Erceg
5.8%
xwOBA Allowedlg .315 · lower = better
Devin Williams
.291
Lucas Erceg
.322
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
2.657.38
lg xERA 4.10
now 5.40
3.70
Lucas Erceg
2.657.38
lg xERA 4.10
now 6.33
3.71
WHIPlower is better
Devin Williams
.9702.19
now 1.55
1.24
Lucas Erceg
.9702.19
now 1.92
1.25

Volume · rest of season
Strikeoutshigher is better
Devin Williams
4041.80
now 31
35
Lucas Erceg
4041.80
now 18
22
Winshigher is better
Devin Williams
1.204.80
now 3
24
Lucas Erceg
1.204.80
now 3
24
Saveshigher is better
Devin Williams
1.8016.20
now 8
510
Lucas Erceg
1.8016.20
now 11
713
If you already own them — trade angle
Buy LowDevin Williams — buy low. The dip is a window to acquire.conf 0.90
Hold · wait & seeLucas Erceg — hold.conf 0.55
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