MLB Daily DeltaWeek 18 · July 29, 2026
Cionel Pérez
NYM · P
Change to
Samy Natera Jr.
LAA · 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); Samy Natera Jr. 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
96.9
Samy Natera Jr.
94.6
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
11.4%
Samy Natera Jr.
16.3%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
22.5%
Samy Natera Jr.
37.5%
Chase %lg 28.5% · higher = better
Cionel Pérez
29.9%
Samy Natera Jr.
25.9%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
50.8%
Samy Natera Jr.
32.5%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
13.1%
Samy Natera Jr.
5.0%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.349
Samy Natera Jr.
.217
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
28.15
lg xERA 4.10
now 5.82
3.70
Samy Natera Jr.
28.15
lg xERA 4.10
now 0.00
3.70
WHIPlower is better
Cionel Pérez
.9002.03
now 1.59
1.24
Samy Natera Jr.
.9002.03
now 0.50
1.24

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4038
now 10
9
Samy Natera Jr.
4038
now 3
28
Winshigher is better
Cionel Pérez
.0004.20
now 2
13
Samy Natera Jr.
.0004.20
now 0
00

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 & seeSamy Natera Jr. — hold.conf 0.50
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