MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Foster Griffin
Foster Griffin
CLE · P
Change to
Portrait of Freddy Peralta
Freddy Peralta
TB · P
Change to
Who's more valuable, rest of season

Freddy Peralta.

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

Freddy Peralta 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
Freddy Peralta
94.2
Swinging-Strike %lg 11.0% · higher = better
Foster Griffin
11.2%
Freddy Peralta
12.4%
Strikeout %lg 22.0% · higher = better
Foster Griffin
21.7%
Freddy Peralta
21.3%
Chase %lg 28.5% · higher = better
Foster Griffin
32.0%
Freddy Peralta
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Foster Griffin
37.2%
Freddy Peralta
39.0%
Barrel % Allowedlg 8.0% · lower = better
Foster Griffin
8.6%
Freddy Peralta
6.3%
xwOBA Allowedlg .315 · lower = better
Foster Griffin
.320
Freddy Peralta
.306
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
3.274.53
lg xERA 4.10
now 3.76
4.25
Freddy Peralta
3.274.53
lg xERA 4.10
now 3.55
3.93
WHIPlower is better
Foster Griffin
1.071.42
now 1.15
1.24
Freddy Peralta
1.071.42
now 1.30
1.34

Volume · rest of season
Strikeoutshigher is better
Foster Griffin
4090.40
now 65
12
Freddy Peralta
4090.40
now 68
14
Winshigher is better
Foster Griffin
.0008.40
now 6
12
Freddy Peralta
.0008.40
now 3
01

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

If you already own them — trade angle
Hold · leans sellFoster Griffin — hold.conf 0.60
Hold · leans buyFreddy Peralta — hold.conf 0.60
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