MLB Daily DeltaWeek 20 · August 7, 2026
Erik Sabrowski
CLE · P
Change to
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Who's more valuable, rest of season

Erik Sabrowski.

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

Head-to-head
K
ERA
WHIP
W
SV

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Erik Sabrowski
94.1
Jack Perkins
95.9
Swinging-Strike %lg 11.0% · higher = better
Erik Sabrowski
14.8%
Jack Perkins
13.6%
Strikeout %lg 22.0% · higher = better
Erik Sabrowski
38.7%
Jack Perkins
26.8%
Chase %lg 28.5% · higher = better
Erik Sabrowski
30.3%
Jack Perkins
34.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Erik Sabrowski
40.3%
Jack Perkins
37.6%
Barrel % Allowedlg 8.0% · lower = better
Erik Sabrowski
9.7%
Jack Perkins
8.2%
xwOBA Allowedlg .315 · lower = better
Erik Sabrowski
.273
Jack Perkins
.310
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
Erik Sabrowski
26.96
lg xERA 4.10
now 1.71
3.69
Jack Perkins
26.96
lg xERA 4.10
now 5.46
3.90
WHIPlower is better
Erik Sabrowski
.9001.40
now 0.95
1.24
Jack Perkins
.9001.40
now 1.21
1.27

Volume · rest of season
Strikeoutshigher is better
Erik Sabrowski
4046.20
now 39
26
Jack Perkins
4046.20
now 33
21
Winshigher is better
Erik Sabrowski
.5202.48
now 2
12
Jack Perkins
.5202.48
now 2
12
Saveshigher is better
Erik Sabrowski
.0004.40
now 0
0
Jack Perkins
.0004.40
now 3
13
If you already own them — trade angle
Buy LowErik Sabrowski — buy low. The dip is a window to acquire.conf 0.80
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
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