MLB Daily DeltaWeek 18 · July 27, 2026
Portrait of Jonathan Loáisiga
Jonathan Loáisiga
AZ · P
Change to
Portrait of Luke Weaver
Luke Weaver
NYM · P
Change to
Who's more valuable, rest of season

Luke Weaver.

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

Head-to-head
K
ERA
WHIP
W
SV

Luke Weaver wins 2 categories (K, ERA); Jonathan Loáisiga wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jonathan Loáisiga
97.3
Luke Weaver
95.3
Swinging-Strike %lg 11.0% · higher = better
Jonathan Loáisiga
12.1%
Luke Weaver
16.1%
Strikeout %lg 22.0% · higher = better
Jonathan Loáisiga
18.6%
Luke Weaver
27.4%
Chase %lg 28.5% · higher = better
Jonathan Loáisiga
35.7%
Luke Weaver
33.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Jonathan Loáisiga
32.5%
Luke Weaver
32.4%
Barrel % Allowedlg 8.0% · lower = better
Jonathan Loáisiga
3.4%
Luke Weaver
8.8%
xwOBA Allowedlg .315 · lower = better
Jonathan Loáisiga
.271
Luke Weaver
.261
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
Jonathan Loáisiga
2.014.17
lg xERA 4.10
now 2.49
3.69
Luke Weaver
2.014.17
lg xERA 4.10
now 2.77
3.65
WHIPlower is better
Jonathan Loáisiga
.9601.32
now 1.06
1.24
Luke Weaver
.9601.32
now 1.04
1.24

Volume · rest of season
Strikeoutshigher is better
Jonathan Loáisiga
4030.60
now 13
11
Luke Weaver
4030.60
now 25
17
Winshigher is better
Jonathan Loáisiga
.5202.48
now 1
11
Luke Weaver
.5202.48
now 2
12
Saveshigher is better
Jonathan Loáisiga
.0002.40
now 1
11
Luke Weaver
.0002.40
now 0
0
If you already own them — trade angle
Sell HighJonathan Loáisiga — 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 0.88
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