MLB Daily DeltaWeek 15 · July 5, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
PJ Poulin
WSH · P
Change to
Who's more valuable, rest of season

PJ Poulin.

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

PJ Poulin 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
Jack Perkins
96.1
PJ Poulin
90.1
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
13.6%
PJ Poulin
6.8%
Strikeout %lg 22.0% · higher = better
Jack Perkins
27.9%
PJ Poulin
15.5%
Chase %lg 28.5% · higher = better
Jack Perkins
34.8%
PJ Poulin
24.6%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
38.4%
PJ Poulin
47.0%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
7.2%
PJ Poulin
10.0%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.313
PJ Poulin
.359
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
2.306.36
lg xERA 4.10
now 5.46
3.94
PJ Poulin
2.306.36
lg xERA 4.10
now 3.20
3.79
WHIPlower is better
Jack Perkins
1.111.56
now 1.21
1.27
PJ Poulin
1.111.56
now 1.46
1.26

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4041.80
now 33
35
PJ Poulin
4041.80
now 18
23
Winshigher is better
Jack Perkins
.0005.20
now 2
13
PJ Poulin
.0005.20
now 3
24
Saveshigher is better
Jack Perkins
.0005.40
now 3
24
PJ Poulin
.0005.40
now 2
13
If you already own them — trade angle
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
Sell HighPJ Poulin — sell high. His value is peaking; good time to trade him.conf 0.95
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