MLB Daily DeltaWeek 19 · August 3, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Cooper Criswell
Cooper Criswell
SEA · P
Change to
Who's more valuable, rest of season

Cooper Criswell.

He projects to help you in more roto categories the rest of the way — strikeouts, ERA, and saves.

Head-to-head
K
ERA
WHIP
W
SV

Cooper Criswell wins 3 categories (K, ERA, SV); Cionel Pérez wins 2 (WHIP, W).

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.9
Cooper Criswell
91.0
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
11.6%
Cooper Criswell
10.6%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
22.7%
Cooper Criswell
19.0%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.0%
Cooper Criswell
36.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
50.0%
Cooper Criswell
36.0%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
12.9%
Cooper Criswell
4.5%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.346
Cooper Criswell
.286
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
26.92
lg xERA 4.10
now 5.82
3.70
Cooper Criswell
26.92
lg xERA 4.10
now 3.08
3.68
WHIPlower is better
Cionel Pérez
.9001.79
now 1.59
1.24
Cooper Criswell
.9001.79
now 1.10
1.25

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4024.60
now 10
8
Cooper Criswell
4024.60
now 19
12
Winshigher is better
Cionel Pérez
.2003.80
now 2
13
Cooper Criswell
.2003.80
now 2
12
Saveshigher is better
Cionel Pérez
.0002.40
now 0
0
Cooper Criswell
.0002.40
now 1
01
If you already own them — trade angle
Hold · wait & seeCionel Pérez — hold.conf 0.50
Hold · wait & seeCooper Criswell — hold.conf 0.50
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