MLB Daily DeltaWeek 19 · August 5, 2026
Javier Assad
CHC · P
Change to
Portrait of Luke Weaver
Luke Weaver
PIT · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Javier Assad
93.3
Luke Weaver
95.3
Swinging-Strike %lg 11.0% · higher = better
Javier Assad
6.2%
Luke Weaver
16.0%
Strikeout %lg 22.0% · higher = better
Javier Assad
17.0%
Luke Weaver
26.6%
Chase %lg 28.5% · higher = better
Javier Assad
22.9%
Luke Weaver
34.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Javier Assad
45.8%
Luke Weaver
34.2%
Barrel % Allowedlg 8.0% · lower = better
Javier Assad
7.5%
Luke Weaver
8.1%
xwOBA Allowedlg .315 · lower = better
Javier Assad
.329
Luke Weaver
.263
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
Javier Assad
27.12
lg xERA 4.10
now 5.88
4.27
Luke Weaver
27.12
lg xERA 4.10
now 2.77
3.65
WHIPlower is better
Javier Assad
.9401.39
now 1.27
1.29
Luke Weaver
.9401.39
now 1.04
1.24

Volume · rest of season
Strikeoutshigher is better
Javier Assad
4030.60
now 14
15
Luke Weaver
4030.60
now 25
14
Winshigher is better
Javier Assad
.0006.60
now 3
25
Luke Weaver
.0006.60
now 2
12

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

If you already own them — trade angle
Sell HighJavier Assad — sell high. His value is peaking; good time to trade him.conf 0.95
Sell HighLuke Weaver — sell high. His value is peaking; good time to trade him.conf 0.95
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