MLB Daily DeltaWeek 18 · July 29, 2026
Portrait of Fernando Cruz
Fernando Cruz
NYY · 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

Fernando Cruz wins 2 (ERA, WHIP); Jack Perkins wins 2 (K, SV); 1 even.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Fernando Cruz
93.2
Jack Perkins
95.9
Swinging-Strike %lg 11.0% · higher = better
Fernando Cruz
17.6%
Jack Perkins
13.4%
Strikeout %lg 22.0% · higher = better
Fernando Cruz
29.1%
Jack Perkins
26.1%
Chase %lg 28.5% · higher = better
Fernando Cruz
29.6%
Jack Perkins
33.7%
Hard-Hit % Allowedlg 40.0% · lower = better
Fernando Cruz
21.9%
Jack Perkins
37.6%
Barrel % Allowedlg 8.0% · lower = better
Fernando Cruz
6.7%
Jack Perkins
7.3%
xwOBA Allowedlg .315 · lower = better
Fernando Cruz
.277
Jack Perkins
.311
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
Fernando Cruz
26.77
lg xERA 4.10
now 2.19
3.68
Jack Perkins
26.77
lg xERA 4.10
now 5.46
3.94
WHIPlower is better
Fernando Cruz
1.141.37
now 1.30
1.25
Jack Perkins
1.141.37
now 1.21
1.29

Volume · rest of season
Strikeoutshigher is better
Fernando Cruz
4038.60
now 30
24
Jack Perkins
4038.60
now 33
25
Winshigher is better
Fernando Cruz
.2003.80
now 3
13
Jack Perkins
.2003.80
now 2
12
Saveshigher is better
Fernando Cruz
.0004.40
now 0
0
Jack Perkins
.0004.40
now 3
23
If you already own them — trade angle
Sell HighFernando Cruz — sell high. His value is peaking; good time to trade him.conf 0.85
Hold · steadyJack Perkins — hold.conf 0.60
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