MLB Daily DeltaWeek 25 · September 11, 2026
Cionel Pérez
NYM · P
Change to
Portrait of José Alvarado
José Alvarado
PHI · P
Change to
Who's more valuable, rest of season

Cionel Pérez.

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

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

Cionel Pérez wins 2 categories (ERA, WHIP); José Alvarado wins 1 (K); 1 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
José Alvarado
97.2
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
11.6%
José Alvarado
13.3%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
22.7%
José Alvarado
26.9%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.0%
José Alvarado
33.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
50.0%
José Alvarado
29.6%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
12.9%
José Alvarado
4.9%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.346
José Alvarado
.303
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
2.856.67
lg xERA 4.10
now 5.82
3.70
José Alvarado
2.856.67
lg xERA 4.10
now 5.59
3.79
WHIPlower is better
Cionel Pérez
1.012.04
now 1.59
1.24
José Alvarado
1.012.04
now 1.81
1.34

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4035.60
now 10
2
José Alvarado
4035.60
now 26
6
Winshigher is better
Cionel Pérez
.0002.80
now 2
01
José Alvarado
.0002.80
now 1
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
Buy LowJosé Alvarado — buy low. The dip is a window to acquire.conf 0.90
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