MLB Daily DeltaWeek 20 · August 9, 2026
Portrait of Foster Griffin
Foster Griffin
CLE · P
Change to
Tyler Glasnow
LAD · P
Change to
Who's more valuable, rest of season

Tyler Glasnow.

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

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

Tyler Glasnow wins 2 categories (K, ERA); Foster Griffin wins 1 (WHIP); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Foster Griffin
91.5
Tyler Glasnow
95.3
Swinging-Strike %lg 11.0% · higher = better
Foster Griffin
11.8%
Tyler Glasnow
12.8%
Strikeout %lg 22.0% · higher = better
Foster Griffin
22.4%
Tyler Glasnow
33.1%
Chase %lg 28.5% · higher = better
Foster Griffin
32.8%
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
9.1%
Tyler Glasnow
8.1%
xwOBA Allowedlg .315 · lower = better
Foster Griffin
.312
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
2.184.61
lg xERA 4.10
now 3.76
4.07
Tyler Glasnow
2.184.61
lg xERA 4.10
now 2.72
3.83
WHIPlower is better
Foster Griffin
.9001.45
now 1.15
1.18
Tyler Glasnow
.9001.45
now 0.83
1.27

Volume · rest of season
Strikeoutshigher is better
Foster Griffin
4075.80
now 65
38
Tyler Glasnow
4075.80
now 49
43
Winshigher is better
Foster Griffin
.4007.60
now 6
25
Tyler Glasnow
.4007.60
now 3
24

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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