MLB Daily DeltaWeek 13 · June 24, 2026
Portrait of Foster Griffin
Foster Griffin
WSH · 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

Foster Griffin 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
Foster Griffin
91.4
Gavin Williams
96.7
Swinging-Strike %lg 11.0% · higher = better
Foster Griffin
11.8%
Gavin Williams
14.7%
Strikeout %lg 22.0% · higher = better
Foster Griffin
23.8%
Gavin Williams
28.5%
Chase %lg 28.5% · higher = better
Foster Griffin
31.9%
Gavin Williams
32.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Foster Griffin
38.4%
Gavin Williams
49.0%
Barrel % Allowedlg 8.0% · lower = better
Foster Griffin
11.0%
Gavin Williams
12.7%
xwOBA Allowedlg .315 · lower = better
Foster Griffin
.314
Gavin Williams
.330
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
Foster Griffin
2.554.89
lg xERA 4.10
now 3.76
4.05
Gavin Williams
2.554.89
lg xERA 4.10
now 3.07
4.37
WHIPlower is better
Foster Griffin
1.021.28
now 1.15
1.16
Gavin Williams
1.021.28
now 1.09
1.21

Volume · rest of season
Strikeoutshigher is better
Foster Griffin
51.80111.20
now 65
79
Gavin Williams
51.80111.20
now 88
98
Winshigher is better
Foster Griffin
1.8016.20
now 6
510
Gavin Williams
1.8016.20
now 8
613

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

If you already own them — trade angle
Sell HighFoster Griffin — sell high. His value is peaking; good time to trade him.conf 0.95
SellGavin Williams — sell.conf 0.68
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