MLB Daily DeltaWeek 13 · June 19, 2026
Portrait of Colin Holderman
Colin Holderman
CLE · P
Change to
Portrait of Orion Kerkering
Orion Kerkering
PHI · P
Change to
Who's more valuable, rest of season

Orion Kerkering.

He projects to help you in more roto categories the rest of the way — strikeouts and saves. 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

Orion Kerkering wins 2 categories (K, SV); Colin Holderman wins 1 (W); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Colin Holderman
97.2
Orion Kerkering
97.4
Swinging-Strike %lg 11.0% · higher = better
Colin Holderman
12.6%
Orion Kerkering
11.1%
Strikeout %lg 22.0% · higher = better
Colin Holderman
29.7%
Orion Kerkering
26.1%
Chase %lg 28.5% · higher = better
Colin Holderman
32.0%
Orion Kerkering
30.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Colin Holderman
45.9%
Orion Kerkering
21.9%
Barrel % Allowedlg 8.0% · lower = better
Colin Holderman
11.5%
Orion Kerkering
5.5%
xwOBA Allowedlg .315 · lower = better
Colin Holderman
.274
Orion Kerkering
.252
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
24.31
lg xERA 4.10
now 2.14
3.69
Orion Kerkering
24.31
lg xERA 4.10
now 2.53
3.69
WHIPlower is better
Colin Holderman
.9001.41
now 0.81
1.24
Orion Kerkering
.9001.41
now 1.13
1.24

Volume · rest of season
Strikeoutshigher is better
Colin Holderman
4039.60
now 23
31
Orion Kerkering
4039.60
now 23
34
Winshigher is better
Colin Holderman
.0009
now 3
37
Orion Kerkering
.0009
now 3
27
Saveshigher is better
Colin Holderman
.0004.40
now 0
0
Orion Kerkering
.0004.40
now 1
13
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 · wait & seeOrion Kerkering — hold.conf 0.50
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