MLB Daily DeltaWeek 25 · September 10, 2026
Portrait of Colin Holderman
Colin Holderman
CLE · P
Change to
Jack Dreyer
LAD · P
Change to
Who's more valuable, rest of season

Jack Dreyer.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Colin Holderman’s box score looks better right now, but it’s built on luck that won’t hold.

Head-to-head
K
ERA
WHIP
W
SV n/a

Jack Dreyer wins 2 categories (ERA, WHIP); Colin Holderman wins 1 (W); 1 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
Jack Dreyer
94.1
Swinging-Strike %lg 11.0% · higher = better
Colin Holderman
12.0%
Jack Dreyer
13.8%
Strikeout %lg 22.0% · higher = better
Colin Holderman
22.5%
Jack Dreyer
29.4%
Chase %lg 28.5% · higher = better
Colin Holderman
29.8%
Jack Dreyer
32.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Colin Holderman
44.4%
Jack Dreyer
42.3%
Barrel % Allowedlg 8.0% · lower = better
Colin Holderman
7.7%
Jack Dreyer
7.0%
xwOBA Allowedlg .315 · lower = better
Colin Holderman
.303
Jack Dreyer
.279
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
24.45
lg xERA 4.10
now 2.14
3.79
Jack Dreyer
24.45
lg xERA 4.10
now 2.78
3.22
WHIPlower is better
Colin Holderman
.9001.50
now 0.81
1.30
Jack Dreyer
.9001.50
now 1.01
1.22

Volume · rest of season
Strikeoutshigher is better
Colin Holderman
4031.60
now 23
5
Jack Dreyer
4031.60
now 24
5
Winshigher is better
Colin Holderman
.0004.20
now 3
01
Jack Dreyer
.0004.20
now 2
01

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
BuyJack Dreyer — buy.conf 0.86
Tweet