MLB Daily DeltaWeek 19 · July 30, 2026
Portrait of Griffin Jax
Griffin Jax
TB · P
Change to
Kyle Hart
SD · 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

Griffin Jax wins 2 (K, W); Kyle Hart wins 2 (ERA, WHIP); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Griffin Jax
96.1
Kyle Hart
94.0
Swinging-Strike %lg 11.0% · higher = better
Griffin Jax
15.1%
Kyle Hart
8.5%
Strikeout %lg 22.0% · higher = better
Griffin Jax
25.7%
Kyle Hart
21.2%
Chase %lg 28.5% · higher = better
Griffin Jax
34.9%
Kyle Hart
28.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Griffin Jax
39.7%
Kyle Hart
30.6%
Barrel % Allowedlg 8.0% · lower = better
Griffin Jax
9.8%
Kyle Hart
7.4%
xwOBA Allowedlg .315 · lower = better
Griffin Jax
.333
Kyle Hart
.296
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
3.255.27
lg xERA 4.10
now 4.76
4.37
Kyle Hart
3.255.27
lg xERA 4.10
now 4.82
3.70
WHIPlower is better
Griffin Jax
.9001.65
now 1.47
1.27
Kyle Hart
.9001.65
now 1.02
1.24

Volume · rest of season
Strikeoutshigher is better
Griffin Jax
4040.80
now 32
22
Kyle Hart
4040.80
now 11
10
Winshigher is better
Griffin Jax
.0001.48
now 1
01
Kyle Hart
.0001.48
now 0
00

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

If you already own them — trade angle
SellGriffin Jax — sell.conf 0.74
Hold · wait & seeKyle Hart — hold.conf 0.50
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