MLB Daily DeltaWeek 27 · September 27, 2026
Portrait of Colin Holderman
Colin Holderman
CLE · P
Change to
Portrait of Griffin Jax
Griffin Jax
TB · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Colin Holderman
97.0
Griffin Jax
95.9
Swinging-Strike %lg 11.0% · higher = better
Colin Holderman
12.0%
Griffin Jax
14.5%
Strikeout %lg 22.0% · higher = better
Colin Holderman
22.5%
Griffin Jax
25.6%
Chase %lg 28.5% · higher = better
Colin Holderman
29.8%
Griffin Jax
35.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Colin Holderman
44.4%
Griffin Jax
39.7%
Barrel % Allowedlg 8.0% · lower = better
Colin Holderman
7.7%
Griffin Jax
8.8%
xwOBA Allowedlg .315 · lower = better
Colin Holderman
.303
Griffin Jax
.320
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
Colin Holderman
25.81
lg xERA 4.10
now 2.14
3.80
Griffin Jax
25.81
lg xERA 4.10
now 4.76
4.12
WHIPlower is better
Colin Holderman
.9001.73
now 0.81
1.30
Griffin Jax
.9001.73
now 1.47
1.25

Volume · rest of season
Strikeoutshigher is better
Colin Holderman
4044.80
now 23
0
Griffin Jax
4044.80
now 32
0
Winshigher is better
Colin Holderman
.0004.20
now 3
0–0
Griffin Jax
.0004.20
now 1
0–0

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

If you already own them — trade angle
Sell HighColin Holderman — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · leans sellGriffin Jax — hold.conf 0.60
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