MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Foster Griffin
Foster Griffin
WSH · P
Change to
Tyler Glasnow
LAD · 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 (WHIP, W); Tyler Glasnow wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Foster Griffin
91.4
Tyler Glasnow
95.3
Swinging-Strike %lg 11.0% · higher = better
Foster Griffin
11.4%
Tyler Glasnow
12.8%
Strikeout %lg 22.0% · higher = better
Foster Griffin
23.1%
Tyler Glasnow
33.1%
Chase %lg 28.5% · higher = better
Foster Griffin
31.2%
Tyler Glasnow
29.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Foster Griffin
37.6%
Tyler Glasnow
38.4%
Barrel % Allowedlg 8.0% · lower = better
Foster Griffin
11.0%
Tyler Glasnow
8.1%
xwOBA Allowedlg .315 · lower = better
Foster Griffin
.324
Tyler Glasnow
.252
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
2.114.85
lg xERA 4.10
now 3.76
4.24
Tyler Glasnow
2.114.85
lg xERA 4.10
now 2.72
3.82
WHIPlower is better
Foster Griffin
.9001.45
now 1.15
1.21
Tyler Glasnow
.9001.45
now 0.83
1.27

Volume · rest of season
Strikeoutshigher is better
Foster Griffin
40112
now 65
86
Tyler Glasnow
40112
now 49
94
Winshigher is better
Foster Griffin
.00014.20
now 6
511
Tyler Glasnow
.00014.20
now 3
48

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
Hold · wait & seeTyler Glasnow — hold.conf 0.50
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