MLB Daily DeltaWeek 15 · July 4, 2026
Elvis Alvarado
ATH · P
Change to
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Who's more valuable, rest of season

Elvis Alvarado.

He projects to help you in more roto categories the rest of the way — ERA, WHIP, and wins. Jack Perkins’s box score looks better right now, but it’s built on luck that won’t hold.

Head-to-head
K
ERA
WHIP
W
SV

Elvis Alvarado wins 3 categories (ERA, WHIP, W); Jack Perkins wins 2 (K, SV).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Elvis Alvarado
98.7
Jack Perkins
96.1
Swinging-Strike %lg 11.0% · higher = better
Elvis Alvarado
17.5%
Jack Perkins
13.9%
Strikeout %lg 22.0% · higher = better
Elvis Alvarado
30.0%
Jack Perkins
27.2%
Chase %lg 28.5% · higher = better
Elvis Alvarado
33.0%
Jack Perkins
35.4%
Hard-Hit % Allowedlg 40.0% · lower = better
Elvis Alvarado
51.8%
Jack Perkins
37.9%
Barrel % Allowedlg 8.0% · lower = better
Elvis Alvarado
19.6%
Jack Perkins
6.3%
xwOBA Allowedlg .315 · lower = better
Elvis Alvarado
.325
Jack Perkins
.303
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
Elvis Alvarado
28.25
lg xERA 4.10
now 8.38
3.70
Jack Perkins
28.25
lg xERA 4.10
now 5.46
3.76
WHIPlower is better
Elvis Alvarado
.9502.12
now 1.86
1.24
Jack Perkins
.9502.12
now 1.21
1.25

Volume · rest of season
Strikeoutshigher is better
Elvis Alvarado
4045.40
now 9
19
Jack Perkins
4045.40
now 33
35
Winshigher is better
Elvis Alvarado
.0009.40
now 2
27
Jack Perkins
.0009.40
now 2
13
Saveshigher is better
Elvis Alvarado
.0005.60
now 0
0
Jack Perkins
.0005.60
now 3
24
If you already own them — trade angle
Hold · wait & seeElvis Alvarado — hold.conf 0.50
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
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