MLB Daily DeltaWeek 19 · August 1, 2026
Portrait of Caleb Thielbar
Caleb Thielbar
CHC · P
Change to
Portrait of Orion Kerkering
Orion Kerkering
PHI · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 3 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Caleb Thielbar wins 1 (SV); Orion Kerkering wins 1 (K); 3 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Caleb Thielbar
93.3
Orion Kerkering
97.5
Swinging-Strike %lg 11.0% · higher = better
Caleb Thielbar
15.3%
Orion Kerkering
11.6%
Strikeout %lg 22.0% · higher = better
Caleb Thielbar
31.2%
Orion Kerkering
24.4%
Chase %lg 28.5% · higher = better
Caleb Thielbar
39.2%
Orion Kerkering
27.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Caleb Thielbar
41.0%
Orion Kerkering
26.6%
Barrel % Allowedlg 8.0% · lower = better
Caleb Thielbar
14.5%
Orion Kerkering
6.4%
xwOBA Allowedlg .315 · lower = better
Caleb Thielbar
.322
Orion Kerkering
.273
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
2.064.17
lg xERA 4.10
now 2.84
3.70
Orion Kerkering
2.064.17
lg xERA 4.10
now 2.53
3.69
WHIPlower is better
Caleb Thielbar
1.051.42
now 1.34
1.24
Orion Kerkering
1.051.42
now 1.13
1.24

Volume · rest of season
Strikeoutshigher is better
Caleb Thielbar
4028.60
now 15
15
Orion Kerkering
4028.60
now 23
18
Winshigher is better
Caleb Thielbar
.2003.80
now 2
13
Orion Kerkering
.2003.80
now 3
13
Saveshigher is better
Caleb Thielbar
.0005.60
now 2
14
Orion Kerkering
.0005.60
now 1
01
If you already own them — trade angle
Hold · wait & seeCaleb Thielbar — hold.conf 0.50
Sell HighOrion Kerkering — sell high. His value is peaking; good time to trade him.conf 0.73
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