MLB Daily DeltaWeek 16 · July 9, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Michael Wacha
Michael Wacha
KC · P
Change to
Who's more valuable, rest of season

Too close to call.

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

Head-to-head
K
ERA
WHIP
W
SV n/a

Eury Pérez wins 2 (K, WHIP); Michael Wacha wins 2 (ERA, W); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Eury Pérez
98.2
Michael Wacha
93.1
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.6%
Michael Wacha
10.6%
Strikeout %lg 22.0% · higher = better
Eury Pérez
27.6%
Michael Wacha
19.6%
Chase %lg 28.5% · higher = better
Eury Pérez
30.7%
Michael Wacha
29.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
39.3%
Michael Wacha
36.4%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
13.8%
Michael Wacha
6.2%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.316
Michael Wacha
.312
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
Eury Pérez
2.685.15
lg xERA 4.10
now 4.60
4.15
Michael Wacha
2.685.15
lg xERA 4.10
now 3.23
4.05
WHIPlower is better
Eury Pérez
1.051.36
now 1.26
1.27
Michael Wacha
1.051.36
now 1.12
1.29

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
57.4080.60
now 72
75
Michael Wacha
57.4080.60
now 65
63
Winshigher is better
Eury Pérez
.8006.20
now 3
24
Michael Wacha
.8006.20
now 4
25

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Hold · steadyEury Pérez — hold.conf 0.60
Hold · steadyMichael Wacha — hold.conf 0.60
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