MLB Daily DeltaWeek 15 · July 4, 2026
Cionel Pérez
NYM · P
Change to
Jack Dreyer
LAD · 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); Jack Dreyer 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
96.7
Jack Dreyer
93.6
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
10.4%
Jack Dreyer
12.9%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
19.0%
Jack Dreyer
29.2%
Chase %lg 28.5% · higher = better
Cionel Pérez
27.4%
Jack Dreyer
31.2%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
51.0%
Jack Dreyer
39.1%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
13.7%
Jack Dreyer
8.0%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.381
Jack Dreyer
.284
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
27.04
lg xERA 4.10
now 5.82
3.70
Jack Dreyer
27.04
lg xERA 4.10
now 2.78
3.69
WHIPlower is better
Cionel Pérez
.9001.82
now 1.59
1.24
Jack Dreyer
.9001.82
now 1.01
1.24

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4031
now 10
15
Jack Dreyer
4031
now 24
25
Winshigher is better
Cionel Pérez
.0005.20
now 2
24
Jack Dreyer
.0005.20
now 2
13

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 & seeJack Dreyer — hold.conf 0.50
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