MLB Daily DeltaWeek 27 · September 28, 2026
Portrait of Griffin Jax
Griffin Jax
TB · P
Change to
Portrait of Matt Festa
Matt Festa
CLE · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 1–1, 2 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
▶
◀
WHIP
W
SV n/a

Griffin Jax wins 1 (WHIP); Matt Festa wins 1 (ERA); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Griffin Jax
95.9
Matt Festa
92.7
Swinging-Strike %lg 11.0% · higher = better
Griffin Jax
14.4%
Matt Festa
13.3%
Strikeout %lg 22.0% · higher = better
Griffin Jax
25.3%
Matt Festa
23.9%
Chase %lg 28.5% · higher = better
Griffin Jax
35.1%
Matt Festa
31.3%
Hard-Hit % Allowedlg 40.0% · lower = better
Griffin Jax
39.2%
Matt Festa
38.3%
Barrel % Allowedlg 8.0% · lower = better
Griffin Jax
8.5%
Matt Festa
7.8%
xwOBA Allowedlg .315 · lower = better
Griffin Jax
.317
Matt Festa
.305
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
Griffin Jax
3.475.13
lg xERA 4.10
now 4.76
4.07
Matt Festa
3.475.13
lg xERA 4.10
now 4.68
3.84
WHIPlower is better
Griffin Jax
1.151.56
now 1.47
1.25
Matt Festa
1.151.56
now 1.24
1.28

Volume · rest of season
Strikeoutshigher is better
Griffin Jax
4044.80
now 32
0
Matt Festa
4044.80
now 27
0
Winshigher is better
Griffin Jax
.0001.48
now 1
0–0
Matt Festa
.0001.48
now 1
0–0

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

If you already own them — trade angle
Hold · leans sellGriffin Jax — hold.conf 0.60
Hold · leans buyMatt Festa — hold.conf 0.60
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