MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Luke Weaver
Luke Weaver
PIT · 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 22. Take whoever fills a bigger need.

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

Luke Weaver wins 2 (ERA, WHIP); Orion Kerkering wins 2 (K, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luke Weaver
95.4
Orion Kerkering
97.3
Swinging-Strike %lg 11.0% · higher = better
Luke Weaver
16.2%
Orion Kerkering
11.0%
Strikeout %lg 22.0% · higher = better
Luke Weaver
26.4%
Orion Kerkering
23.5%
Chase %lg 28.5% · higher = better
Luke Weaver
33.9%
Orion Kerkering
28.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Luke Weaver
36.2%
Orion Kerkering
31.1%
Barrel % Allowedlg 8.0% · lower = better
Luke Weaver
7.8%
Orion Kerkering
6.0%
xwOBA Allowedlg .315 · lower = better
Luke Weaver
.280
Orion Kerkering
.288
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
Luke Weaver
2.163.82
lg xERA 4.10
now 2.77
3.25
Orion Kerkering
2.163.82
lg xERA 4.10
now 2.53
3.45
WHIPlower is better
Luke Weaver
.9001.52
now 1.04
1.19
Orion Kerkering
.9001.52
now 1.13
1.38

Volume · rest of season
Strikeoutshigher is better
Luke Weaver
4033.40
now 25
4
Orion Kerkering
4033.40
now 23
5
Winshigher is better
Luke Weaver
.0004.20
now 2
01
Orion Kerkering
.0004.20
now 3
01

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

If you already own them — trade angle
Sell HighLuke Weaver — sell high. His value is peaking; good time to trade him.conf 0.89
BuyOrion Kerkering — buy.conf 0.79
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