MLB Daily DeltaWeek 19 · August 5, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Portrait of Tyler Rogers
Tyler Rogers
TOR · P
Change to
Who's more valuable, rest of season

Jack Perkins.

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

Head-to-head
K
ERA
WHIP
W
SV

Jack Perkins wins 3 categories (K, WHIP, SV); Tyler Rogers wins 1 (ERA); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Perkins
95.9
Tyler Rogers
83.2
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
13.6%
Tyler Rogers
7.0%
Strikeout %lg 22.0% · higher = better
Jack Perkins
26.8%
Tyler Rogers
13.3%
Chase %lg 28.5% · higher = better
Jack Perkins
34.1%
Tyler Rogers
28.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
37.6%
Tyler Rogers
26.1%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
8.2%
Tyler Rogers
1.2%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.310
Tyler Rogers
.253
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
26.70
lg xERA 4.10
now 5.46
3.91
Tyler Rogers
26.70
lg xERA 4.10
now 2.36
2.63
WHIPlower is better
Jack Perkins
1.041.44
now 1.21
1.27
Tyler Rogers
1.041.44
now 1.13
1.35

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4041.80
now 33
21
Tyler Rogers
4041.80
now 16
11
Winshigher is better
Jack Perkins
.0002.80
now 2
12
Tyler Rogers
.0002.80
now 1
01
Saveshigher is better
Jack Perkins
.0004.40
now 3
13
Tyler Rogers
.0004.40
now 2
12
If you already own them — trade angle
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
Sell HighTyler Rogers — sell high. His value is peaking; good time to trade him.conf 0.95
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