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

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Bryan Woo wins 2 (ERA, WHIP); Gavin Williams wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Bryan Woo
95.8
Gavin Williams
97.0
Swinging-Strike %lg 11.0% · higher = better
Bryan Woo
13.3%
Gavin Williams
14.5%
Strikeout %lg 22.0% · higher = better
Bryan Woo
24.2%
Gavin Williams
29.9%
Chase %lg 28.5% · higher = better
Bryan Woo
34.7%
Gavin Williams
32.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Bryan Woo
42.7%
Gavin Williams
49.0%
Barrel % Allowedlg 8.0% · lower = better
Bryan Woo
7.0%
Gavin Williams
12.0%
xwOBA Allowedlg .315 · lower = better
Bryan Woo
.289
Gavin Williams
.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
Bryan Woo
2.594.75
lg xERA 4.10
now 3.44
3.45
Gavin Williams
2.594.75
lg xERA 4.10
now 3.07
4.27
WHIPlower is better
Bryan Woo
.9001.27
now 0.96
1.15
Gavin Williams
.9001.27
now 1.09
1.18

Volume · rest of season
Strikeoutshigher is better
Bryan Woo
43.20100.80
now 68
56
Gavin Williams
43.20100.80
now 88
66
Winshigher is better
Bryan Woo
.60011.40
now 5
36
Gavin Williams
.60011.40
now 8
49

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

If you already own them — trade angle
BuyBryan Woo — buy.conf 0.79
Hold · leans sellGavin Williams — hold.conf 0.60
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