MLB Daily DeltaWeek 15 · July 2, 2026
Portrait of Luke Weaver
Luke Weaver
NYM · P
Change to
Portrait of Pierce Johnson
Pierce Johnson
CIN · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Luke Weaver wins 2 (ERA, WHIP); Pierce Johnson wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Luke Weaver
95.3
Pierce Johnson
95.1
Swinging-Strike %lg 11.0% · higher = better
Luke Weaver
16.0%
Pierce Johnson
11.1%
Strikeout %lg 22.0% · higher = better
Luke Weaver
28.3%
Pierce Johnson
24.3%
Chase %lg 28.5% · higher = better
Luke Weaver
34.6%
Pierce Johnson
32.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Luke Weaver
31.5%
Pierce Johnson
39.7%
Barrel % Allowedlg 8.0% · lower = better
Luke Weaver
9.0%
Pierce Johnson
16.2%
xwOBA Allowedlg .315 · lower = better
Luke Weaver
.260
Pierce Johnson
.388
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
2.384.14
lg xERA 4.10
now 2.77
3.65
Pierce Johnson
2.384.14
lg xERA 4.10
now 3.27
3.75
WHIPlower is better
Luke Weaver
.9601.32
now 1.04
1.23
Pierce Johnson
.9601.32
now 1.23
1.24

Volume · rest of season
Strikeoutshigher is better
Luke Weaver
4031.60
now 25
25
Pierce Johnson
4031.60
now 20
26
Winshigher is better
Luke Weaver
.0005.20
now 2
13
Pierce Johnson
.0005.20
now 2
14
Saveshigher is better
Luke Weaver
.0003.40
now 0
0
Pierce Johnson
.0003.40
now 1
02
If you already own them — trade angle
Sell HighLuke Weaver — sell high. His value is peaking; good time to trade him.conf 0.85
Sell HighPierce Johnson — sell high. His value is peaking; good time to trade him.conf 0.95
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