MLB Daily DeltaWeek 25 · September 11, 2026
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Portrait of Lake Bachar
Lake Bachar
PIT · P
Change to
Who's more valuable, rest of season

Lake Bachar.

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

Lake Bachar wins 2 categories (ERA, WHIP); Jack Perkins wins 1 (SV); 2 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Jack Perkins
95.7
Lake Bachar
94.4
Swinging-Strike %lg 11.0% · higher = better
Jack Perkins
12.8%
Lake Bachar
13.6%
Strikeout %lg 22.0% · higher = better
Jack Perkins
25.2%
Lake Bachar
25.5%
Chase %lg 28.5% · higher = better
Jack Perkins
33.5%
Lake Bachar
28.5%
Hard-Hit % Allowedlg 40.0% · lower = better
Jack Perkins
37.3%
Lake Bachar
34.5%
Barrel % Allowedlg 8.0% · lower = better
Jack Perkins
8.8%
Lake Bachar
8.4%
xwOBA Allowedlg .315 · lower = better
Jack Perkins
.311
Lake Bachar
.290
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
2.726.24
lg xERA 4.10
now 5.46
3.94
Lake Bachar
2.726.24
lg xERA 4.10
now 3.77
3.50
WHIPlower is better
Jack Perkins
.9001.49
now 1.21
1.35
Lake Bachar
.9001.49
now 1.01
1.27

Volume · rest of season
Strikeoutshigher is better
Jack Perkins
4043.80
now 33
6
Lake Bachar
4043.80
now 32
6
Winshigher is better
Jack Perkins
.0002.80
now 2
01
Lake Bachar
.0002.80
now 0
00
Saveshigher is better
Jack Perkins
.0004.40
now 3
01
Lake Bachar
.0004.40
now 0
0
If you already own them — trade angle
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
BuyLake Bachar — buy.conf 0.78
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