MLB Daily DeltaWeek 20 · August 6, 2026
Portrait of Brooks Raley
Brooks Raley
PHI · P
Change to
Cionel Pérez
NYM · 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

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

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Brooks Raley
90.1
Cionel Pérez
96.9
Swinging-Strike %lg 11.0% · higher = better
Brooks Raley
10.6%
Cionel Pérez
11.6%
Strikeout %lg 22.0% · higher = better
Brooks Raley
23.5%
Cionel Pérez
22.7%
Chase %lg 28.5% · higher = better
Brooks Raley
30.9%
Cionel Pérez
30.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Brooks Raley
30.4%
Cionel Pérez
50.0%
Barrel % Allowedlg 8.0% · lower = better
Brooks Raley
4.5%
Cionel Pérez
12.9%
xwOBA Allowedlg .315 · lower = better
Brooks Raley
.286
Cionel Pérez
.346
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
Brooks Raley
27.50
lg xERA 4.10
now 1.61
3.69
Cionel Pérez
27.50
lg xERA 4.10
now 5.82
3.70
WHIPlower is better
Brooks Raley
1.101.73
now 1.25
1.24
Cionel Pérez
1.101.73
now 1.59
1.24

Volume · rest of season
Strikeoutshigher is better
Brooks Raley
4033.20
now 26
18
Cionel Pérez
4033.20
now 10
8
Winshigher is better
Brooks Raley
.0004.20
now 1
01
Cionel Pérez
.0004.20
now 2
13

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

If you already own them — trade angle
Sell HighBrooks Raley — sell high. His value is peaking; good time to trade him.conf 0.95
Hold · wait & seeCionel Pérez — hold.conf 0.50
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