MLB Daily DeltaWeek 15 · July 7, 2026
Portrait of Eury Pérez
Eury Pérez
MIA · P
Change to
Portrait of Lucas Giolito
Lucas Giolito
SD · 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); Lucas Giolito 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
Lucas Giolito
90.8
Swinging-Strike %lg 11.0% · higher = better
Eury Pérez
14.6%
Lucas Giolito
9.8%
Strikeout %lg 22.0% · higher = better
Eury Pérez
27.6%
Lucas Giolito
13.0%
Chase %lg 28.5% · higher = better
Eury Pérez
30.7%
Lucas Giolito
19.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Eury Pérez
39.3%
Lucas Giolito
43.8%
Barrel % Allowedlg 8.0% · lower = better
Eury Pérez
13.8%
Lucas Giolito
4.2%
xwOBA Allowedlg .315 · lower = better
Eury Pérez
.316
Lucas Giolito
.358
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
3.755.32
lg xERA 4.10
now 4.60
4.14
Lucas Giolito
3.755.32
lg xERA 4.10
now 4.97
4.10
WHIPlower is better
Eury Pérez
1.071.93
now 1.26
1.27
Lucas Giolito
1.071.93
now 1.74
1.30

Volume · rest of season
Strikeoutshigher is better
Eury Pérez
40106.80
now 72
78
Lucas Giolito
40106.80
now 6
36
Winshigher is better
Eury Pérez
.00014.60
now 3
25
Lucas Giolito
.00014.60
now 2
511

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

If you already own them — trade angle
Hold · steadyEury Pérez — hold.conf 0.60
Hold · wait & seeLucas Giolito — hold.conf 0.50
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