MLB Daily DeltaWeek 17 · July 20, 2026
Portrait of Gavin Williams
Gavin Williams
CLE · P
Change to
Portrait of Parker Messick
Parker Messick
CLE · P
Change to
Who's more valuable, rest of season

Gavin Williams.

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

Head-to-head
K
ERA
WHIP
W
SV n/a

Gavin Williams wins 3 categories (K, WHIP, W); Parker Messick wins 1 (ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Gavin Williams
97.0
Parker Messick
93.9
Swinging-Strike %lg 11.0% · higher = better
Gavin Williams
14.5%
Parker Messick
12.7%
Strikeout %lg 22.0% · higher = better
Gavin Williams
29.9%
Parker Messick
24.7%
Chase %lg 28.5% · higher = better
Gavin Williams
32.2%
Parker Messick
31.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Gavin Williams
49.0%
Parker Messick
32.9%
Barrel % Allowedlg 8.0% · lower = better
Gavin Williams
12.0%
Parker Messick
5.4%
xwOBA Allowedlg .315 · lower = better
Gavin Williams
.322
Parker Messick
.281
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
Gavin Williams
25.09
lg xERA 4.10
now 3.07
4.27
Parker Messick
25.09
lg xERA 4.10
now 2.21
3.26
WHIPlower is better
Gavin Williams
11.31
now 1.09
1.18
Parker Messick
11.31
now 1.07
1.24

Volume · rest of season
Strikeoutshigher is better
Gavin Williams
51.6098.40
now 88
66
Parker Messick
51.6098.40
now 74
62
Winshigher is better
Gavin Williams
.60011.40
now 8
49
Parker Messick
.60011.40
now 6
37

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · leans sellGavin Williams — hold.conf 0.60
Sell HighParker Messick — sell high. His value is peaking; good time to trade him.conf 0.86
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