MLB Daily DeltaWeek 27 · September 30, 2026
Portrait of Caleb Thielbar
Caleb Thielbar
CHC · P
Change to
Portrait of Colin Holderman
Colin Holderman
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

Caleb Thielbar wins 1 (WHIP); Colin Holderman 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
Caleb Thielbar
93.3
Colin Holderman
97.0
Swinging-Strike %lg 11.0% · higher = better
Caleb Thielbar
15.0%
Colin Holderman
12.0%
Strikeout %lg 22.0% · higher = better
Caleb Thielbar
28.4%
Colin Holderman
22.5%
Chase %lg 28.5% · higher = better
Caleb Thielbar
35.8%
Colin Holderman
29.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Thielbar
38.3%
Colin Holderman
44.4%
Barrel % Allowedlg 8.0% · lower = better
Caleb Thielbar
10.5%
Colin Holderman
7.7%
xwOBA Allowedlg .315 · lower = better
Caleb Thielbar
.328
Colin Holderman
.303
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
Caleb Thielbar
25.15
lg xERA 4.10
now 2.84
4.29
Colin Holderman
25.15
lg xERA 4.10
now 2.14
3.81
WHIPlower is better
Caleb Thielbar
.9001.55
now 1.34
1.23
Colin Holderman
.9001.55
now 0.81
1.30

Volume · rest of season
Strikeoutshigher is better
Caleb Thielbar
4032.20
now 15
0
Colin Holderman
4032.20
now 23
0
Winshigher is better
Caleb Thielbar
.0004.20
now 2
0–0
Colin Holderman
.0004.20
now 3
0–0

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

If you already own them — trade angle
SellCaleb Thielbar — sell.conf 0.70
Sell HighColin Holderman — sell high. His value is peaking; good time to trade him.conf 0.95
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