MLB Daily DeltaWeek 19 · July 31, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Portrait of Jovani Morán
Jovani Morán
BOS · 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

Jack Perkins wins 2 (K, SV); Jovani Morán wins 2 (ERA, WHIP); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Perkins
95.9
Jovani Morán
92.4
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
13.4%
Jovani Morán
15.0%
Strikeout %lg 22.0% · higher = better
Jack Perkins
26.1%
Jovani Morán
28.7%
Chase %lg 28.5% · higher = better
Jack Perkins
33.7%
Jovani Morán
28.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
37.6%
Jovani Morán
29.8%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
7.3%
Jovani Morán
6.7%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.311
Jovani Morán
.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
Jack Perkins
2.286.37
lg xERA 4.10
now 5.46
3.93
Jovani Morán
2.286.37
lg xERA 4.10
now 3.19
3.62
WHIPlower is better
Jack Perkins
.9701.38
now 1.21
1.29
Jovani Morán
.9701.38
now 1.06
1.25

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4040.60
now 33
24
Jovani Morán
4040.60
now 35
23
Winshigher is better
Jack Perkins
.0002.80
now 2
12
Jovani Morán
.0002.80
now 1
01
Saveshigher is better
Jack Perkins
.0004.40
now 3
23
Jovani Morán
.0004.40
now 0
0
If you already own them — trade angle
Hold · steadyJack Perkins — hold.conf 0.60
Hold · wait & seeJovani Morán — hold.conf 0.50
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