MLB Daily DeltaWeek 18 · July 27, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Peyton Gray
Peyton Gray
TEX · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 11, 2 even. Take whoever fills a bigger need.

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

Cionel Pérez wins 1 (W); Peyton Gray wins 1 (K); 2 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.8
Peyton Gray
92.8
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
11.3%
Peyton Gray
12.6%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
21.5%
Peyton Gray
25.0%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.9%
Peyton Gray
33.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
51.3%
Peyton Gray
32.1%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
12.6%
Peyton Gray
5.5%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.353
Peyton Gray
.270
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
Cionel Pérez
2.676.72
lg xERA 4.10
now 5.82
3.70
Peyton Gray
2.676.72
lg xERA 4.10
now 3.57
3.70
WHIPlower is better
Cionel Pérez
1.101.73
now 1.59
1.24
Peyton Gray
1.101.73
now 1.30
1.24

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4025.60
now 10
10
Peyton Gray
4025.60
now 18
20
Winshigher is better
Cionel Pérez
.2003.80
now 2
13
Peyton Gray
.2003.80
now 1
12

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

If you already own them — trade angle
Hold · wait & seeCionel Pérez — hold.conf 0.50
Hold · wait & seePeyton Gray — hold.conf 0.50
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