MLB Daily DeltaWeek 17 · July 21, 2026
Portrait of Drew Anderson
Drew Anderson
DET · P
Change to
Portrait of Jack Perkins
Jack Perkins
ATH · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22, 1 even. Take whoever fills a bigger need.

Head-to-head
K
ERA
WHIP
W
SV

Drew Anderson wins 2 (K, ERA); Jack Perkins wins 2 (W, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Drew Anderson
95.7
Jack Perkins
96.0
Swinging-Strike %lg 11.0% · higher = better
Drew Anderson
14.7%
Jack Perkins
13.2%
Strikeout %lg 22.0% · higher = better
Drew Anderson
28.3%
Jack Perkins
27.3%
Chase %lg 28.5% · higher = better
Drew Anderson
34.6%
Jack Perkins
33.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Drew Anderson
39.5%
Jack Perkins
39.4%
Barrel % Allowedlg 8.0% · lower = better
Drew Anderson
7.9%
Jack Perkins
8.0%
xwOBA Allowedlg .315 · lower = better
Drew Anderson
.284
Jack Perkins
.318
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
Drew Anderson
2.486.31
lg xERA 4.10
now 4.03
3.33
Jack Perkins
2.486.31
lg xERA 4.10
now 5.46
4.06
WHIPlower is better
Drew Anderson
1.141.35
now 1.26
1.28
Jack Perkins
1.141.35
now 1.21
1.28

Volume · rest of season
Strikeoutshigher is better
Drew Anderson
4053.20
now 46
30
Jack Perkins
4053.20
now 33
28
Winshigher is better
Drew Anderson
.5202.48
now 2
12
Jack Perkins
.5202.48
now 2
12
Saveshigher is better
Drew Anderson
.0004.40
now 2
12
Jack Perkins
.0004.40
now 3
23
If you already own them — trade angle
BuyDrew Anderson — buy.conf 0.83
Buy LowJack Perkins — buy low. The dip is a window to acquire.conf 0.90
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