MLB Daily DeltaWeek 17 · July 16, 2026
Cionel Pérez
NYM · P
Change to
Portrait of Sam Bachman
Sam Bachman
LAA · P
Change to
Who's more valuable, rest of season

Too close to call.

They split your categories 22. Take whoever fills a bigger need.

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

Cionel Pérez wins 2 (WHIP, W); Sam Bachman wins 2 (K, ERA); SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Cionel Pérez
96.7
Sam Bachman
99.5
Swinging-Strike %lg 11.0% · higher = better
Cionel Pérez
10.6%
Sam Bachman
15.5%
Strikeout %lg 22.0% · higher = better
Cionel Pérez
20.1%
Sam Bachman
24.0%
Chase %lg 28.5% · higher = better
Cionel Pérez
30.3%
Sam Bachman
33.8%
Hard-Hit % Allowedlg 40.0% · lower = better
Cionel Pérez
51.4%
Sam Bachman
33.3%
Barrel % Allowedlg 8.0% · lower = better
Cionel Pérez
13.5%
Sam Bachman
7.2%
xwOBA Allowedlg .315 · lower = better
Cionel Pérez
.366
Sam Bachman
.289
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
27.26
lg xERA 4.10
now 5.82
3.70
Sam Bachman
27.26
lg xERA 4.10
now 2.22
3.68
WHIPlower is better
Cionel Pérez
.9001.79
now 1.59
1.24
Sam Bachman
.9001.79
now 1.09
1.25

Volume · rest of season
Strikeoutshigher is better
Cionel Pérez
4036.60
now 10
12
Sam Bachman
4036.60
now 29
24
Winshigher is better
Cionel Pérez
.0005.60
now 2
14
Sam Bachman
.0005.60
now 1
01

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 & seeSam Bachman — hold.conf 0.50
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