MLB Daily DeltaWeek 25 · September 11, 2026
Cam Booser
TB · P
Change to
Cionel Pérez
NYM · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 00, 4 even. Take whoever fills a bigger need.

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

Cam Booser wins 0 (none); Cionel Pérez wins 0 (none); 4 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cam Booser
95.7
Cionel Pérez
96.9
Swinging-Strike %lg 11.0% · higher = better
Cam Booser
15.5%
Cionel Pérez
11.6%
Strikeout %lg 22.0% · higher = better
Cam Booser
30.1%
Cionel Pérez
22.7%
Chase %lg 28.5% · higher = better
Cam Booser
34.4%
Cionel Pérez
30.0%
Hard-Hit % Allowedlg 40.0% · lower = better
Cam Booser
41.4%
Cionel Pérez
50.0%
Barrel % Allowedlg 8.0% · lower = better
Cam Booser
6.9%
Cionel Pérez
12.9%
xwOBA Allowedlg .315 · lower = better
Cam Booser
.265
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
Cam Booser
28.15
lg xERA 4.10
now 0.00
3.70
Cionel Pérez
28.15
lg xERA 4.10
now 5.82
3.70
WHIPlower is better
Cam Booser
.9002.03
now 0.50
1.24
Cionel Pérez
.9002.03
now 1.59
1.24

Volume · rest of season
Strikeoutshigher is better
Cam Booser
4015.60
now 1
2
Cionel Pérez
4015.60
now 10
2
Winshigher is better
Cam Booser
.0002.80
now 0
00
Cionel Pérez
.0002.80
now 2
01

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

If you already own them — trade angle
Sell HighCam Booser — sell high. His value is peaking; good time to trade him.conf 0.79
Hold · wait & seeCionel Pérez — hold.conf 0.50
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